text:
|Publication number
|Publication type
|Application number
|Publication date
|May 5, 1987
|Filing date
|Dec 17, 1984
|Priority date
|Dec 17, 1984
|Fee status
|Also published as
|Publication number
|William J. Simelunas, Henry N. Shoiket, Celso Espejo
|Original Assignee
|Simelunas William J, Shoiket Henry N, Celso Espejo
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (14), Referenced by (17), Classifications (21), Legal Events (4)
|External Links: USPTO, USPTO Assignment, Espacenet
This invention relates to an apparatus for accumulating, distributing, and directly loading cookies into trays, which trays can be used as packages for the cookies.
This invention may also be adapted for use as an automatic direct loading device for any generally disc-like objects or articles such as tuna cans, poker chips, hockey pucks, sandwich cookies, soft cookies having multiple textures, pet biscuits, and the like.
It is well-known to use conveyor belts for conveying biscuits from an oven. It is also conventional to transport biscuits, including cookies, from one conveyor belt to another. It is also known to package cookies in cartons so that the cookies are arranged in stacks filling partitions in the cartons. There are several prior art patents relating to automatic loading apparatus, which are discussed hereunder.
The Egee et al reference, U.S. Pat. No. 4,159,761, is the most relevant known reference, and in FIG. 5 shows cookies being deposited directly from a conveyor belt into a stack. The stack is supported on a blade-like gate 52 which is rotatably supported and revolved upon a signal by a gate actuating means 54, to drop a stack of cookies 36 into a pocket of a tray 56. Such a tray 56 is also shown in FIG. 6 of the drawings in side sectional view. While this apparatus is significantly different from the apparatus of the present invention, there is a similarity in the result, namely that cookies are ultimately stacked into trays automatically. However, the apparatus of the Egee patent would not be suitable for relatively soft cookies, which are very susceptible to breaking, nor for relatively high speed operation. Furthermore, the manner in which the cookies are stacked in Egee results in trays being filled so that they are not stacked on their edges in a tray, but rather lie on their bottom surfaces in the tray. The cookies are, in other words, resultingly stacked parallel to the bottom of a tray rather than perpendicularly to the bottom of a tray as in the present invention. Furthermore, there is no showing of a flexible support, nor of moving of the conveyor belt exit end upward or downward to accommodate the stacking of the cookies. FIG. 1 of the Egee patent shows cookies lying on edge being transferred to a conveyor belt where they may lie on their bottom surfaces for feeding to the apparatus shown in FIG. 5. Therefore, while the Egee patent addresses a similar problem in the art, that of stacking cookies, there is no teaching or suggestion of a movable conveyor belt where an end of the conveyor belt moves up or down, or toward or away from a tray, to selectively distribute cookies vertically, the cookies being received against a relatively resilient tray wall. Furthermore, there is no teaching or suggestion of providing that each cookie directly impacts a resilient wall of a tray during the loading operation.
The Rose et al U.S. Pat. No. 4,044,885 relates to a method and apparatus for counting and loading cookies. Here, a relatively complex apparatus eventually places cookies into a stack as shown in FIG. 11. Also, cookies are shown in FIGS. 13-15 as falling along a chute where they collide with drop rails 56 and 58. This feature alone renders it unsuitable with use for relatively soft cookies since it would damage them. Furthermore, there is no teaching or suggestion of use of a movable conveyor belt, which conveyor belt is relatively movable to a tray having at least a flexible wall portion for receiving cookies which collide with such wall, the conveyor belt being movable relative to the tray being loaded, the tray being supported such that no hard or rigid surface directly underlies those portions of the tray which collide with the cookies.
The Rose patent, U.S. Pat. No. 4,413,462, shows an accumulator and stacker for sandwich biscuits and the like. Here, a relatively complex apparatus stacks sandwich cookies one atop the other. This is shown most clearly in FIGS. 3 and 7-11. While the net result is cookies being stacked two-by-two, there is no teaching or suggestion of employing a flexible tray which directly collides with cookies received from a conveyor belt, the conveyor belt and tray moving relatively to one another so that cookies are stacked without colliding directly with one another. This patent appears to have a different result than the present invention in that stacked cookies are wrapped in a flexible wrapper, rather than being received in a flexible tray. Also, conveyor belts movably positionable, pivotable, or extendable are not shown or suggested in this patent.
The Wagner et al patent, U.S. Pat. No. 4,236,855, shows an accumulator in FIGS. 1 and 2 for selectively accumulating and releasing cookies. Also, in FIG. 1, stacks V are shown; however, it appears from FIG. 3 that each layer of the stack rests upon shelves S. An elevator carriage mechanism is used, together with the relatively complex control system schematically shown in FIG. 19. This patent is far from the teachings of the present invention, wherein trays are directly loaded by a moving conveyor, which moves relatively to the flexible tray which receives cookies in stacked alignment. Furthermore, although an accumulator is shown, it does not operate in a manner similar to the accumulator means of the present invention. Also, movably positionable, extendable, or pivotable conveyor belts are not shown or suggested in this patent.
The Eisenberg patent is notable for FIGS. 5A and 5B where articles are stacked in relatively short stacks. FIG. 5C shows a chute 36 which permits a sliding article to slide directly over another article; however, there is no teaching of the article sliding along the chute 36 and colliding with a flexible wall, nor is there any teaching that the chute 36 moves upward relatively to such stack as in the present invention. The Bertling et al patent, U.S. Pat. No. 3,990,209, shows a relatively complex stacking system which is very different from the present invention, and does not show a flexible tray with which moving cookies collide, nor does it show a conveyor means which moves relatively to the previously stacked cookies and the flexible tray.
It is accordingly one object of the present invention to provide an improved cookie or biscuit stacking apparatus which is automatic and stacks soft cookies directly into trays.
Another object of the present invention is to provide improved loading device for directly automatically loading trays, including transporting relatively squat objects into the trays.
A further object of the present invention is to provide an improved loading apparatus including an accumulator for accumulating a predetermined number of articles to be loading into trays.
A still further object of the present invention is to provide improved automatic loading apparatus including a conveyor belt having a pivotable portion with an adjustable roller location so that a predetermined tension range is maintained in the conveyor belt during pivoting of a portion of the conveyor belt, so that articles can be selectively dispensed to either a first location or a second location.
Another further object of the present invention is to provide an improved automatic loading apparatus including a movable conveyor belt which is pivotable about a first end, the movable conveyor belt being so mounted as to have a changing link between two predetermined rollers supporting the conveyor belt such that belt tension is maintained within a predetermined range by use of a movable roller which permits extension or shortening of the distance between the two predetermined rollers.
A still further object of the present invention is to provide an improved automatic loading apparatus including a support for flexible trays, the support being so disposed that rear walls of article-receiving portions of the trays are not directly supported so that they may resiliently collide with a moving article, thereby avoiding damage to the article.
Another still further object of the present invention is to provide a rotatable support for trays, the trays being fixed to the rotatable support, and having an automatically actuated tilting means for tilting loaded cookie trays forward so that they slide off the support and down a chute.
Another object of the present invention is to provide an improved automatic direct article loading apparatus including an accumulator section having an optical sensing means for controlling a release member, an air jet for maintaining articles downward against a relatively moving conveyor belt so that hopping of the articles over a movable barrier member is avoided; a first conveyor having a pivotable section selectively directing released articles to either a first conveyor belt or a second conveyor belt; each of said first and second conveyor belts being movable upwardly and downwardly about a fixed end, the fixed end being where articles are received and the pivotable end being the end which unloads articles directly into a tray; each of said first and second conveyor belts also being extensible or retractable towards or away from a tilted article-receiving tray which is mounted upon a tiltable support; each of the supports being rotatably mounted upon a carousel; the carousel having a friction drive and an automatic indexing system.
The present invention includes a conveyor belt feeding hot, soft cookies in rows to an accumulator station. electric eye sensors detect the presence of more than two cookies in a column to permit release of cookies by cam-actuated "fingers" to release cookies at predetermined intervals. In the accumulator section, relatively higher-speed belts, spaced part, run under the cookies so that upon release of the "fingers" a single cookie in each column is released. The released cookies travel to an intermediate conveyor which has a bendable or pivotable portion so that cookies are transfered selectively either to an upper conveyor belt or a lower conveyor blet. Ten cookies are deposited at a time on the selected upper or lower belt. The cookies on the upper and lower belts feed directly into plastic tays, the ends of each of the upper and lower belts nearest the respective trays being movable upwardly and are extensible to maintain even spacing from the tilted, flexible tray surface. The upward movement of the belts ensures that cookies do not directly collide, so that each next stacked cookie arrives so as to collide with flexible rear tray wall first to avoid damage to, or bending of cookies. A carousel having upper and lower tray support regions holds six trays in spaced relationship on each tray. Each tray is supported only along its bottom surface and by two blades received between row surfaces, to receive a total of three cookie stacks. When a tray is filled a portion of the carousel holding the tray rotates to bring an empty tray into position. The filled tray slides down a chute.
Further details and advantages of the present invention appear from the following description of the preferred embodiment shown schematically in the drawings.
FIG. 1 is a side elevation view of the apparatus according to the present invention;
FIG. 2 is a top elevational view of the conveyor belt arrangement and accumulator, together with a partial sectional view through the tray support device and the tray itself showing stacks of soft cookies which are being loaded;
FIG. 3 is a top elevational view of the cookie accumulator control section including an optical controller and optical sensors;
FIG. 4 is a side elevational view of a portion of a pneumatic device for maintaining soft cookies atop a conveyor belt while the soft cookie is held stationary;
FIG. 5 is a schematic view showing first and second positions of a cam and movable finger member for accumulating cookies;
FIG. 6 is a top elevational view of the retaining fingers shown in FIG. 5;
FIG. 7 is a side elevational view of a pivotable conveyor belt, including a dotted outline position of the pivotable section;
FIG. 8 is a schematic side view of the conveyor belt arrangement and movably positionable roller used in the pivotable conveyor belt of FIG. 7;
FIG. 9 is a side elevational view of an extensible and retractable conveyor belt which pivots about one end, and also shows a dotted outline position of the uppermost pivoted extent of the movable conveyor belt;
FIG. 10 is a schematic side view of the roller and conveyor belt arrangement forming the movable conveyor belt including two different movable rollers;
FIG. 11 is a top elevational view of the movable conveyor belt of FIGS. 9 and 10, showing clearly a slot which guides a movable roller which causes extension or retraction of the length of the conveyor belt along an article-support surface thereof;
FIG. 12 is a perspective view of a preferred embodiment of tray used in the loading apparatus of the present invention;
FIG. 13 is a rear elevational view taken from the rear of FIG. 12, and showing a top surface of the tray as it would be supported by arm members in a loading position;
FIG. 14 is a side view partially in section of the tray of FIG. 12 taken along line 14--14 of FIG. 12 and shows cookies which are stacked so as to partially fill a portion of the tray shown;
FIG. 15 is a side elevational view of a cookie separator according to the present invention;
FIG. 16 is a top elevational view of the separator member of FIG. 15;
FIG. 17 is a top elevational view which is partially schematic showing how a plurality of rows of cookies are guided by separator members into three channels, including alternative embodiment shapes of separator members as well as the shape of the separator member shown in FIG. 16;
FIG. 18 is a side sectional view showing the frictional rotary drive of the carousel according to the present invention;
FIG. 19 is a top elevational view, partially in section, showing an indexing means as well as the rotary frictional drive member;
FIG. 20 is a side elevational view of an indexing or formed through the rotary support member of FIG. 19;
FIG. 21 is a top elevational view, partially broken away, of the indexing means in its indexing position in the bore shown in FIG. 20;
FIG. 22 is a side elevational view of a tray support device according to the present invention;
FIG. 23 is a top elevational view of the tray supporting device shown in FIG. 22;
FIG. 24 is a front elevational view of the the tray supporting device shown in FIG. 22;
FIG. 25 is a top elevational view, partially in section, showing a tray unloading means including a dotted-line position of the tray unloading means being moved by a fixed member;
FIG. 26 is a side view showing a first and a second position of a tray support device, the dotted outline position indicating the unloading position;
FIG. 27 is a schematic side view of a single motive means for driving the conveyor belts and accumulator station in proper timed relationship and for driving and causing all rotary and linear movement of devices shown in FIG. 1 with the exception of the rotary carousel member;
FIG. 28 is a top elevational view of a portion of FIG. 27 showing the spatial relationship of two of the driven cam members for actuating the first and second movable conveyors belts so that they pivot about a fixed end.
FIG. 1 shows a side elevational view of the entire automatic loading apparatus 1 of the present invention. An accumulator 2 accumulates cookies until a predetermined number are arranged in columns, and includes an optical controller for a release device 3.
Cookies are released onto a fixed portion 4 of a pivotable conveyor belt having a pivotable section 5 which selectively feed directly onto either an upper movable conveyor belt 6 or a lower movable conveyor belt 7. Cookies are loaded directly from either the upper conveyor belt 6 or the lower conveyor belt 7 into trays 10. The trays 10 are supported by a tray support device 8, which is rotatably carried by a rotatable support member carousel 20. The carousel 20 is frictionally driven by a transmission portion 9.
Soft cookies arrive from a conveyor section 100. The conveyor 100 conveys cookies C directly from an oven in a soft and delicate condition. A conveyor 110 transports the cookies to narrower conveyor belts 31, which are spaced apart to permit crumbs and other articles which are loose to fall between the belts 31. The belts 31 travel at a relatively high speed compared to the other devices, and arrange cookies in rows 101 beneath an optical sensor station 29 having an optical sensor member 23. The optical sensor detects the presence or absence of a sufficient number of cookies in the column 101 along the line 22 to a controller 290. The controller 290 either permits or prevents actuation of a cam member 37 which controls downward movement of retaining member 32, which are connected in pairs.
While the retaining fingers 32 are in upper or raised position they prevent passage of cookies beyond a fixed location to form columns 101. The conveyors belts 31 continue to move beneath the cookies C in the column 101, and when a sufficient number of cookies C have been accumulated in the column 101, they are released indivually in intervals controlled by the cam member 37 which rotates at a generally constant speed in timed relationship to the speed of the other conveyor belts in the system. A separator member 33 is seen in FIG. 1 and a plurality of such separator members 33 separates and guides cookies into the columns 101 atop the conveyor belts 31. An air supply hose 21 supplies air to a plenum which is supported by the optical control device support 29 so as to direct air from the plenum 24 into nozzles 25 having open ends 27. The directed air from the nozzle openings 27 directs air downwardly to retain the foremost Cookie in each column downwardly against the conveyor belts 31 to prevent hopping of the cookies C over the fingers 32. The downwardly directed air also prevents bouncing of the cookies when the finger member 32 are suddenly withdrawn downwardly, thereby ensuring proper spacing of the cookies into uniform rows across subsequent conveyor belts downstream of the conveyor belts 31.
The optical support means 29 is supported, for example, by columns 26 which are connected to any fixed surface such as a floor or wall. The conveyor belt 110 supplying cookies C from an oven (the oven is not shown in FIG. 1) has an end conveyor belt roller 111. The conveyor belt roller 111, and the conveyor belt roller 35 and 37 for the conveyor belts 31 are of sufficiently small diameter to permit a smooth transition of the cookies C from the conveyor belt 110 to the conveyor belts 31. Thus, there is only a very small gap between the rollers 111 and 35, and due to the small diameters of the rollers 111 and 35 there is only a very small downward bending possible of the cookies during their transition from the conveyor belt 110 to the conveyor belts 31. The same is true of the transition from the roller 34 supporting the conveyor belts 31 to the roller 41 which supports a conveyor belt 40.
The accumulator section 3 provides cookies C at timed interval to the conveyor belt 40 of the fixed portion 4 of the pivotable conveyor belt. The pivotable conveyor belt 4 has a pivoting section 5 which is pivotable between two positions as indicated by the dotted outline of the roller 54 in a position originally supplying a conveyor belt 6 to a position for supplying a conveyor belt 7. The pivoting action takes place in a very rapid manner so that no cookies C are disturbed during their transition from above the roller 54 to one of the conveyor belts 6 or 7. The pivotable section 5 pivots about a main pivot joint 51 of any standard construction, including but not limited to a bearing joint, ball bearings, a gear arrangement or the like. Beneath the pivot member 51 is seen spring 52 which resiliently tensions a roller 42 which is constrained to move linearly along a slot 53. One end of the spring member 52 is fixably connected to the fixed portion 4.
The fixed portion 4 may be fixably supported to any surface which is immovable, such as floor or a wall, for example by strut members, posts, columns, brackets, or the like so that the fixed portion 4 is supported in a predetermined and fixed relationship to the conveyor belts 110 and 31. A resilient member is connected to a fixed support and to an end 36 of the accumulator retaining portion 3, the end 36 being fixedly connected to the fingers 32 and pivotable about a pivot member during actuation downward or upward due to the presence of the cam member 37. The fixed support members referred to hereinabove are not shown because such are obvious expedience known to anyone having skill in the conveying art, and such supports do not constitute or form a part of the present invention per se. Such supports are necessary for supportiong the fixed portions of the apparatus of the present invention.
The pivotable portion 5 of the conveyor 4 has an end roller 54 which is pivotable downwardly to a position shown in dotted outline to selectively feed either conveyor belts 6 or 7. The rollers 54 is in its solid outline position adjacent roller 63 of conveyor belt 61. In the dotted outline position, the roller 54 is adjacent a roller 62 which supports a conveyor belt 71 of the conveyor belt 7. Arrows generally indicate direction of each of the conveyor belts 110, 31, 40, 61, and 71. This serves to define the upstream and downstream portions of the apparatus, as well as the direction of movement of cookies C. Furthermore, the solid, two-headed arrow directly beneath the pivotable section 5 indicates that the pivotable section moves upwardly or downwardly selectively.
The movable conveyors 6 or 7 are virtually identical members which are so positioned as to have a very small gap existing between the rollers 54 and 63 in the upper position of the pivotable section 5, and between the rollers 54 and 62 in the lower position of the pivotable section 5. A roller arrangement necessary to permit the conveyor belt 40 to be maintained in a specified tension range is not shown in FIG. 1, but is shown in FIGS. 7 and 8. The slack take-up roller 42 is necessary since the overall belt length of necessity changes during the pivoting motion of the pivotable section 5. The spring member 52 is connected to a fixed member such as a bearing outer sleeve, or the like, so that the fixed portion is preferably constrained linearly along the slot 53 without undue frictional resistance acting upon the roller 42. The bearing is unnumbered in the Figures, but may be any type of anti-friction means such as a packed bearing, bearings having anti-friction surfaces or very low-friction surfaces including Teflon� or the like. The same is true of any of the moving or pivoting joints of the present invention, since such bearing devices, anti-friction surfaces and pivoting joints are well-known in the mechanical linkage art and mechanical bearing arts to anyone of skill in those arts.
The conveyor belt 6 is movable in such a manner that the roller 63 maintains a fixed position, while the far end roller 120 moves upwardly and downwardly, the entire conveyor belt 6 pivoting about and through an arc having its center at the rollers 63. As shown in FIG. 1, the arc begins at its lowermost point with the roller 120 being at the lowest position possible and being located in a slot 12. The slot 12 controls the position of the roller 120 as the conveyor 6 moves upwardly or downwardly. In FIG. 1, the conveyor 6 as shown is just beginning its upward movement as indicated by the large arrow near the roller 120. A take-up roller 609 is provided to permit movement of the roller 120 which maintains a constant and fixed distance between the roller 120 and the nearest section of the rear-most wall of each of the trays 10 which are supported in an inclined position as shown in FIG. 1. The fixed end portion 63 may be fixed in any known fashion, such as being supported by struts, posts, brackets, or any other device connected to any fixed surface such as a floor or wall, the ceiling or the like, so long as the support permits pivoting of the conveyor 6 about the roller 63.
As seen in FIG. 1, as the conveyor 6 begins upward movement of its downstream end, the conveyor belt 61 is level with the conveyor belt 40. However, this is a design expedient, and the entire carousel and support structure could be located lower so that when the downstream-most end of the conveyor 6 is at its uppermost reach in the upper slot 12, for loading the top-most cookie in a stack in the tray 10, the conveyor belt surface 61 would be level (this embodiment is not shown in the Figures, since such would be merely a matter of choice to anyone skilled in the conveyor art). The movable conveyor 6 is caused to move by struts 610 and 611 which are pivotably connected together. The strut 610 is also pivotably connected to a housing portion (unnumbered) of the conveyor 6. The strut 611 can be moved by a cam member (shown in FIGS. 27 and 28), by a direct gear drive, or by any other type of motive means which cause cyclical upward and downward motion of the strut 611 so as to direct the strut 610 upwardly and downwardly through a fixed range of motion. As seen in FIG. 1, the strut 611 in the position shown is moving upwardly.
In FIG. 1, the movable conveyor belt 7 is pivoted substantially identically to the manner of pivoting of the conveyor 6. The roller 62 is maintained at a fixed location, with end roller 121 being pivotable upwardly and downwardly through an arc about the fixed roller 62. As in the above, any type of support can be used to permit rotation of the roller 62 while at the same time fixedly locating it with respect to any fixed support surface such as a wall, floor, or ceiling. Motion of the conveyor 7 is controlled by a strut 710 which is pivotably connected to strut 711. The strut 710 is pivotably connected to a housing portion (unnumbered) of the conveyor 7, so as to permit movement of the conveyor 7. In FIG. 1, the motion of the strut 711 is downwardly, as indicated by the arrow through the strut 711, thus causing downward motion of the downstream portion of the conveyor 7 as indicated by the arrow drawn near the downstream end. The roller 121 is constrained to move in a slot 13, which slot 13 is parallel to the orientation of the nearest edge of a tray 10.
The directions of motion of the conveyors 6 and 7 are opposite to one another in FIG. 1, and the pivoting of the pivotable conveyor portion 5 permits simultaneous loading of at least two trays 10 at the same time. This is necessary, since the oven capacity for producing cookies C is greater than the capacity of either conveyors 6 or 7 alone to load cookies C directly into the trays 10 without damage to the cookies C.
The cookies C are relatively soft and delicate. If improperly handled, or if the cookies collide with one another or collide with a hard surface they would bend and cool in a deformed state, or would tend to crumble or break. To avoid this, the conveyor ends of the conveyors 6 and 7 are sloped downwardly so as to load the cookies parallel to a bottom support surface of the trays 10. The upward motion of the conveyor 6, for example, loads cookies one at a time into the tray 10. The upward movement of the downstream end of the conveyor 6 is timed so that as each cookie enters the tray 10 it is at a location just sufficiently above the previously-loaded cookie to prevent collision directly with the previously-loaded cookie. Instead, any collision forces are absorbed by the resiliently deformable trays 10, which are composed of a very thin resilient material such as plastic or the like.
The conveyor 7 has no cookies C shown thereon since the tray 10 which the conveyor 7 feeds is full and no further cookies can be loaded until a new tray 10 is in position. Therefore, the pivotable section 5 is feeding the conveyor 6 rather than conveyor 7 while the conveyor 7 makes its arcuate downward motion under the influence of gravity and strut 711 to bring the conveyor 7 to the lowermost loading position. The slot 13 guides the length of the roller 121, similarly to that of roller 120 of the conveyor 6, with a movable roller 709 taking up slack to maintain tension in the belt 71 within a predetermined range. This is necessary because of the change in length of the belt due to the extension of the roller 121 caused by its movement within the slot 13. The slots 12 and 13 are formed in a support member 231, with corresponding opposed slots being formed in an opposing support member 230 which is shown as being partially broken away in FIG. 1. Thus, only the lowermost portion of the support member 230 is shown in FIG. 1. The support members 230 and 231 are supported upon a fixed surface such as a floor.
The supports member 231 support an upper carousel support portion 23 which, in a preferred embodiment, includes a solid surface extending between support member 230 and 231, a portion of which is transparent to permit viewing from above of the loading operation of the conveyors 6 and 7 into trays 10. The remainder of the portion 23 is preferably of a solid material such as metal or the like and receives an uppermost portion of spindle 11 in a rotatable relationship thereto. This forms the uppermost portion of the carousel 20.
The carousel 20 supports trays 10 at a predetermined inclination, and permits automatic movement and indexing of trays 10 into their proper position relative to the conveyors 6 and 7 for loading the trays 10. Empty trays 10 are placed on holders 8, which full trays are unloaded automatically by the holders 8 in cooperation with a fixed member 961, supported by strut 962 to the upper portion 23 to cause tilting of a portion of the support 8 to cause the loaded cookie trays to slide down a chute (not shown). Although in FIG. 1 only a single fixed member 961 is shown attached by a support 962, another fixed support member substantially identical to support strut 962, as well as a fixed portion similar to that of fixed member 961 would be fixed in a similar relationship just above the lower portion of the carousel to permit unloading of the lower trays 10. Such strut 962 would preferably be supported by connecting it to a fixed portion which extends above the lower carousel portion without interfering with the rotation thereof. Such is not shown in the Figures, since such would be an obvious expedient in view of the location of the strut 962 and fixed portion 961 shown in the FIG. 1, the positioning of another such like member being selectable in any manner preferred or selected by anyone skilled in the construction or metal working arts.
The rotation of the carousel 20 is caused by a motor 21 which transmits motive power through any known type of transmission along a base 22 of the carousel, to provide rotary motive power to a spindle 11. The transmission can be a frictional drive transmission or can be a chain and sprocket type transmission for a positive power transmission. An indexing means locks each of the upper and lower carousel support surfaces 85 and 86 respectively, to intermittently permit rotation of the disc-like members 85 and 86 to move loaded trays 10 to an unloading ramp and to move the empty trays 10 to a position in which they can be precisely loaded. The indexing means is not shown in FIG. 1, but a preferred type of indexing means is shown in FIGS. 19-21.
While a particular arrangement of carousel parts is shown in FIG. 1, the carousel 20 may be configured in any fashion to give the desired results, namely the provision of at least an empty tray 10 to a loading position, and movement of such a tray 10 to an unloading position; all the while permitting positioning of empty trays 10 upon the supports 8.
As one example of a different type of tray conveying system, a linear support system pulled by chains could be provided perpendicularly to the plane of FIG. 1 so that trays 10 would move downwardly into the page and empty trays would be provided from above the page. Such a conveyor system could include any desired loading and unloading means. However, the carousel 20 of the present invention is a particular preferred embodiment, other embodiments being available if such are desired. Such embodiments would include any known conveying devices for supplying empty trays or containers to a loading station where the containers stop to be loaded and to an unloading station where the loaded trays or containers are unloaded; such a system would preferably also include a return path for the conveying means such as a drag chain pulling tray support members 8 in a linear path, for example, from the loading station to the unloading station, and on the return path permitting stopping for placing of empty trays or containers upon the tray support means 8. Preferably, such a support means would have a completed cycle so that a continuous operation for loading of cookies C could be provided. A particular feature of the tray support means 8 permits support of the trays so that the portions of the tray which collide with the moving cookies C are not directly reinforced by any solid member but rather are only supported between the cookie-receiving portions of the trays 10 by the projecting slab-like members 82. The slab-like members 82 enter a portion of the rear of the trays 10 to a predetermined depth where they encounter a solid portion of the rear of the trays 10. A lowermost portion 811 of the tray support means 8 prevents downward movement of the trays 10. An unloading member 89 is provided to interact with the member 961 to cause pivoting of the lower support portion 811 during an unloading operation. A spring member maintains the position of the lower support portion 811 against the weight of the trays 10, as is shown by the broken-away portion in FIG. 1 of the support means 8. Such spring is shown in dotted outline in the support means 8 shown directly below the broken-away means 8 in FIG. 1. A bolt 83 anchors the slab-like members 82, which heavily support the support portion 811, to the tables 85 and 86 respectively. The unloading member 89 is fixedly attached to a portion of the unloading means which is fixed to the support portion 811, and which, upon movement of the support member 89, causes a rotational movement of the entire pivotable portion about a pivot member supported by the slab-like members 82. This is shown more clearly in FIGS. 22-24.
The carousel has a transmission portion 9 formed by an outer member 92 which is in a preferred embodiment rotatable with the members 85 and 86, as well as with the spindle 11. An inner shaft contained rotatably within the spindle 11 preferably frictionally drives separately each of the supports 85 and 86, so that if an obstacle is encountered such as a human hand, a loading cart, or the like, operation of the carousel tray involved is stopped to prevent damage to any of the equipment. A lock-out switch preferably would then be tripped to prevent improper operation of the conveyors and the accumulator 3, which would all automatically return to a certain "reset" position before completely stopping.
The apparatus of FIG. 1 is especially well adapted and suited for use with delicate, soft, bendable articles such as cookies C which must be precisely handled without collision or encountering of hard objects during most of the length of their travel, with the exception of the fingers 32 which encounter subsequent cookies in the rows 101 when the cookies have moved forward only a very short distance and have therefore acquired only a very low momentum. Furthermore, the fingers 32 stop each cookie at two points and avoid damage to the cookie by distributing any load where force is required in stopping the cookies. Nonetheless, hard or difficult-to-damage items such as poker chips, tuna cans, hockey pucks, and the like could also be loaded into cartons or trays using the apparatus of the present invention, since such apparatus precisely locates each of the articles directly into a generally resiliently supported and resilient tray 10 in a precise order, while accumulating the articles at an accumulator station 3 from a supply 100, which supply need not be as precisely organized in rows and columns as are the cookies C which are released by the accumulator. Therefore, the function of the accumulator is to provide precisely arranged rows and columns of articles to be loaded into the trays 10. Furthermore, relatively thin objects such as playing cards, menus, or the like can also be loaded into cartons in the inventive apparatus shown in FIG. 1. Here, it is especially evident that the air jet directed downwardly against the articles at the accumulator station by the opening 27 is very helpful in maintaining precise control of the articles on the conveyor belt. Also, while an optical sensor means has been shown as being located at an accumulator station 3, any control or sensing devices can be used and any number of articles or cookies C can be manipulated as may be desired. For example, if poker chips were to loaded into rows one hundred across and one thousand long, such arrangement could easily be made by anyone with skill in the control arts having knowledge of the control arrangement of the present invention as shown in FIG. 1 and following Figures.
FIG. 2 is a top elevational view of the apparatus of FIG. 1, as taken along line 2--2 of FIG. 1. The upper surface of the rotary tray support table 85 is visible in FIG. 1. Also, the cross-sectional circular outline of the spindle 11 is seen in FIG. 2. Cookie stacks are seen in the tray 10 (unnumbered in FIG. 2). FIG. 2 also shows the manner in which trays 10 are supported, that is, with the two slab-like members 82 projecting in between cookie columns where the back of the package is recessed between the columns.
The cross-sectional shapes of support members 230 and 231 are also visible in FIG. 2, as are slots 13, which guide the motion of the roller, the ends of which are guided either directly by the slot or by a bearing member which travels within the slot and which bearing rotatably supports the roller 120.
As seen in FIG. 2, the cookies arrive from an oven along a conveyor belt 110 in slightly misaligned rows and columns. They are separated into three columns (only one of which, column 101, is shown in FIG. 2) at the accumulator station 3. Generally speaking, conveyor belt 110 travels approximately the same rate of speed as the conveyor belt 40, 61, and 71. The belt speeds may be selected to be different from one another if such is expedient for any reason. However, the belts 31 at the accumulator station 3 travel somewhat faster that the other conveyor belts although such is not necessary for the proper working of the present invention such is desirable since otherwise there would be a possibility that the accumulator station would become a "bottleneck" to the operation. Even though the belts 61 and 71, which deliver cookies directly into the trays 10 travel at approximately the same speed as the conveyor belt 40, two such conveyors are needed due to the time delay in each of the conveyors 6 and 7 returning from the uppermost position, after loading the uppermost cookie, to the lowermost position for again loading a new tray 10. It is this time delay which results in the need for the two conveyors 6 and 7 rather than just one. It would not be desirable to merely speed up one of the conveyors 6 or 7 to handle a greater load since the speeds of the conveyors belts 61 and 71 are preferably selected at the optimum speed to prevent damage to the cookies during loading of the trays 10 while at the same time loading the cookies as fast as possible. Therefore, the cookies are sequentially loaded in columns in the trays 10 one atop the other, with each of the conveyor belt ends of conveyors 6 and 7 rising by a height equal to a height of a single cookie as each next cookie is loaded.
The movable roller ends 42 are visible in FIG. 2 as are the springs 52 which bias the roller 42 to maintain the belt tension within a predetermined range. The spring-biased roller 609 and 709 are not shown in FIG. 2 to avoid cluttering the Figure, but are shown in detail in FIG. 9.
The pivoting joint 51 is seen in dotted outline in FIG. 2. Also shown in FIG. 2 is the housing (unnumbered) of the conveyor 4 supporting rollers which are fixed, with the housing for the movable portion 5 (the housing being unnumbered for the movable portion 5 as well) being fixed for movement with the pivotable section 5. As seen in FIG. 5, the gaps between adjacent rollers is relatively small, the gap between rollers 54 and 63 being small, and in the dotted outline position of FIG. 1, the distance between rollers 54 and 62 being small. Therefore, a direct result of the pivoting action of the pivotable conveyor portion 5 is that the conveyor 7 must be located slightly to the left of and beneath the conveyor 6 since due to the radial travel of the pivoting portion 5 a greater gap would otherwise result between the rollers 54 and 62 than the gap between the rollers 54 and 63.
The table 85 rotates generally according to the arrow in FIG. 2. The fixed member 961 is shown in FIG. 2 as having a curved shape for causing movement of a projection 89 that results in pivoting of the lower tray support portion 811 of the tray support devices 8. The cross-sectional outline of the strut 962 is visible as a circular outline in FIG. 2, since such a strut would of necessity be cut in the view taken along 2--2 of FIG. 1. It is noted that while the strut 962 and member 961 are not shown directly above the table 86 in FIG. 1, they are indeed present and were merely omitted to avoid overly cluttering the FIG. 1.
FIG. 3 is a top elevational view of the apparatus 2 shown in FIG. 1. Here, three optical detectors 23 are shown connected by lines 22 to an optical controller 290. The optical controller 290, in conjunction with the optical detector 23 detects the presence or absence of a sufficient number of cookies in columns 101. Upon detection of the requisite number of cookies, the optical controller 290 sends a signal along a signal communication line 291 to a release controller 360. The release controller 360 releases the cam member 37 to rotate. Rotation of the cam member 37 shown in FIG. 1 as well as in FIG. 5, causes reciprocally timed downward and upward actuation of fingers 32.
The detectors 23 are supported by struts 292 across the frame 29. Frame 29 also supports U-blots 28 which anchor a plenum 24. The plenum 24 receives air from an air supply 21, and discharges air through nozzles 25. As seen in FIG. 1, nozzles 25 have openings 27 at the lowermost portions thereof, which nozzles direct air flow downward to the cookies at the accumulator station at the fingers 32. The release controller 360 can be any type of device, such as a solenoid-actuated brake on the cam 37, or an interrupting means such as a gear transmission which automatically shifts gears in response to the signal along line 291 or the like. Such control devices are well-known in the art and would be used at the discretion and selection of anyone having skill in the control arts. The frame 29 is supported (supports not shown in FIG. 3) by struts 26, but may be supported in any other fashion as well, such as by attachment to walls. Also in FIG. 3, while 3 optical controllers 23 are shown, any numbers of optical controllers may be arranged by rows or columns in any number, for example one hundred optical detectors 23 could be arranged in a column as in FIG. 3, with each row of each column having, for example, two hundred optical detectors 23 in each row, if such were desired. Thus, the use of three optical controllers 23 as shown in FIG. 3 does not in any limit the scope of the present invention.
Also, while the optical detectors 23 optically detect the presence or absence of cookies by use of a light beam sensor, infrared sensor, ultraviolet sensor, or the like, such detectors 23 could also be acoustical or microwave detectors, capacitance detectors and the like which could be fine-tuned to sense the presence or absence of the cookies C directly beneath. Selection of suitable detectors would be obvious to anyone of skill in the control arts or measuring and testing arts, and the use of optical or other detectors is not limiting. For example, a simple mechanical detector including a very light mechanical arm pivoted upon a low-friction pivot member could be used, which arm produces a signal when moved by the presence of a cookie. Such a simple detector is also within the scope of the present invention, and the present invention is not limited in any way to any particular single detector.
FIG. 4 is a side partial view of FIG. 3 showing the plenum 24 and nozzle 25. The nozzle 25 directs air downwardly against the cookie C in row 1 which cookie is being retained by the fingers 32. The conveyor belt 31 directly beneath the column 101 is seen in FIG. 4 and is shown as having a relative velocity to the cookie in column 101. This is, while the cookies in column 101 are held by the fingers, the conveyor belts 31 continue to move at a constant speed regardless of the movement or lack of movement of the cookies in the columns 101. Therefore, it is very desirable that the conveyor belts 31 have a low frictional coefficient with the cookies C to avoid damage, hopping, or bending of the cookies C in columns 101. Such hopping is avoided by the presence of the air jet from nozzle 25. Hopping would occur during the sudden upward or downward movement of the fingers 32 except for the presence of the air jet.
FIG. 5 shows the structure and pivotable nature of the fingers 32. The cam 37 has and oblong high end 371, an rotates about center 372. The fingers 32 are spring biased by a spring 323 in an upward direction so that a connecting portion 322 is always riding in contact with the cam 37. A pivot pin 301 is shown mounted through the portion 322, to enable pivoting of the fingers 32 downwardly and upwardly with the cam 37. The fingers 32 are spring bias by connection of the spring 33 to the lower finger support section 322. The spring is shown in FIG. 5 as being connected by a rod which passes through the section 322 and is retained in place by a nut. However, any retaining means such as a band, glue, welding, or the like could be used to retain the spring end to the section 322. The other end of the spring 323 is fixed to an immovable surface such as the support surface or housing member for the rollers 35 and 34. However, any fixed surface could be used for this purpose.
As seen in FIG. 5, in the solid outline position the cam is rotating such that the fingers are in their uppermost position. In the dotted outline portion, however, the high point 371 is in direct contact with the portion 322 of the fingers 32. This causes downward pivoting of the fingers 32 to the dotted outline position about the pivot pin 301. This also results in outward movement of the lower section 322 and stretching (as shown in dotted outline) of the spring 323.
FIG. 6 is a top elevational view of the fingers and their support structure shown in FIG. 5. As seen, a generally U-shaped member connects two adjacent fingers 32 together along portions 321. The pivot member 301 is shown more clearly in FIG. 6 as having a link beyond that of the portin 322 (shown in dotted circular outline since not otherwise visible in FIG. 6, which is a top view). The pivot pin 301 may actually extend and be supported from any fixed portion or support structure and may in fact run across the entire width of all of the conveyor belts 31. Alternatively, separate pins 301 can be provided fixed to an immovable portion or support for each of the movable fingers 32.
FIG. 7 is a side elevational view showing greater structural detail of the conveyor 4 and movable section 5 of the apparatus in FIG. 1. Here, a strut member 403 is shown as causing the pivotable movement of the pivotable section 5. The strut member 403 can be cam-actuated, robot-controlled, solenoid actuated, or the like. In any event, the actuation of the strut member 403 to cause sudden pivotable movement between the first, solid-outlined position of the movable section 5 in FIG. 7 and the dotted-outlined position in FIG. 7 is in timed relationship to the release of cookies from the accumulator station, to the presence or absence of trays, to the speeds of the various conveyor belts, and the like. Preferably, a single timed rotary member can be used as is seen in FIGS. 27 and 28 to actuate in timed relationship all of the movable devices leading up to the feeding of the cookies directly into the trays, but not including rotation of the carousel 20.
As seen in FIG. 7, the conveyor belt 40 travels over the pivot 51 and to the end roller 54. The conveyor belt 40 is supported, along with its associated rollers, by a housing 400. The housing 400 is fixed, with a movable portion 401 supporting all of the movable rollers. The movable rollers are seen in solid circular outline even though all may not be visible through the housing 401. Also, the travel of the belt 40 is indicated in dotted outline where it passes behind the housing portions 400 and 401. The belt 40 passes over the roller 54 which is constrained in the first or second positions to maintain a fixed distance from the other rollers. The conveyor belt passes around roller 54 and to another fixed roller 404 which fixed roller maintains a fixed distance and spatial relationship to the roller 54. The conveyor 40 then travels to another roller 405 which maintains a fixed spatial relationship to the roller 404. The belt 40 then passes to a spring-bias roller 42, which is spring-loaded by spring 52 to maintain tension in the belt 40.
The movable roller 42 is constrained to move along a single slot 53 having a linear path. Although a slot is shown, any generally smooth path would also be acceptable and could also be used in the present invention. The belt 40 returns from the movable roller 42 to a fixed roller 406 which fixed roller 406 has a fixed, predetermined spatial relationship with the rollers 54, 404, and 405. The belt 40 then travels along a portion of the fixed roller 407, which fixed roller maintains a predetermined spatial relationship to the rollers 405 and 406 and are pivotable therewith.
Each of the rollers referred to hereinabove rotate with the conveyor belt and are therefore rotatably mounted even though they are fixed spatially. When the pivotable section 5 moves to its dotted outline position, all of the rollers maintain their spatial relationshp to one another in the pivoting section, but change in their spatial relationship to rollers which are permanently fixed and are immovable except for their rotation. Therefore, due to the pivoting of the pivotable section 5, the belt 40 changes its overall length somewhat, thus necessitating the tensioning device 54 which is anchored to the housing 400 by an anchoring means 402, which can be a welded member, nut and bolt, epoxy glue, or the like. Supports are shown for the housing 400 for fixed support to the ground. Two such supports, struts 481 and 482 are seen in FIG. 7. The direction of travel of the conveyor belt 40, as well as the conveyor belts 61 and 71, are indicated by arrows in FIG. 7.
FIG. 8 is a schematic side view of the roller and belt arrangement of the conveyor 4 and pivotable section 5 shown in FIG. 7. A vertical-line separates schematically the fixed rollers to the left of the line from the rollers which pivot with the pivoting section 5. A double-headed arrow shows the movement of the roller 42 to show that the roller 42 moves along a slot in line indicated generally by the arrows. The path of travel of the conveyor belt 40 has been described with reference to FIG. 7 in the above. In FIG. 8, the conveyor belt 40 is seen in edge view as a solid line throughout for clarity.
FIG. 9 is a side elevational view of conveyor 6 of the present invention. It is noted at this point that conveyors 6 and 7, while being located and positioned somewhat differently and having a slightly different overall length, are substantially identical in structure and function. Therefore, only the conveyor 6 is shown in detail with it being understood that the conveyor 7 is substantially identical to the arrangement shown in FIGS. 9 and 10.
The conveyor 6 has a belt 61 which travels from a roller 63 which receives cookies C to a roller 603 which directs the conveyor belt downwardly toward the roller. This downward slope of the downstream "nose" of the conveyor belt 6 advantageously directs the cookies parallel to a bottom surface of the trays 10. This also directs the cookies perpendicularly to the resilient, flexible rear wall of the trays 10 with which each of the cookies C collides. Therefore, while absolutely precise perpendicular alignment to the rear wall of the trays is not possible throughout the entire arctuate travel of the conveyor 6 as seen in the dotted outline, a substantially perpendicular arrangement is maintained throughout which varies by no more than five or ten degrees from the perpendicular.
A roller 602 receives the belt 61 from the roller 120, the roller 120 being movable relative to the other rollers which are all fixed with respect to one another and movable with the housing. The housing 600 supports all of the fixed rollers, but does not fixedly support the roller 120. Rather, the roller 120 is constrained to move within the slot 12. A pair of slots 12, as seen in FIG. 2, are used to constrain both ends of the roller 120. Advantageously, a block of a sled type arrangement can be used to constrain the roller 120 within the slot 12, the block or sled having a bearing for receiving ends of the roller 120 therein, the sled being constrained to move along the slot 12. The strut 610 is shown as being fixed to the housing 600 to move pivotably upward to its dotted outline position as seen in FIG. 9. An arrow indicates the direction of travel of struts 610 and housing 600 about the fixed pivot point which is generally at the location of the center of the roller 63.
Another fixed roller 604 receives the belt 61 from the roller 602. A roller 605 then receives the belt from roller 604, and supplies the belt to a movable roller 609. The movable roller 609 is spring-biased to tension the belt 61, the roller 609 being constrained as by a block or by a sled, or by another means, to move only in a linear direction along the slot 61. The slot need not be linear, but may having any generally smooth curved shape if such is desired. In the present instance, a linear slot is the preferred embodiment. A roller 606 receives the belt 61 from the movable roller 609 and supplies the belt to another roller 607. The roller 607 supplies the belt to a roller 608 which in return completes the cycle returning the belt 61 to the roller 63. Of all the above-mentioned rollers, only the rollers 609 and 120 are movable relative to the housing 600. All of the other rollers are rotatably mounted within the housing 600.
A portion of the support 231 is visible, within which is located the slot 12. The remainder of the support portion 231 is broken away in FIG. 9. The spring 620 biases the roller 609 to tension the belt 61, the spring force being directed to the left in FIG. 9. The spring 620 is anchored by an anchoring means 621 to the housing 600. Therefore, the spring is pre-loaded to provide a predetermined tension in the belt 61, with additional movement of the roller 120 outwardly or inwardly as it travels along the slot 12 causing movement of the roller 609 along the slot 61 as additional belt slack is taken up or is needed, depending upon whether the conveyor 6 is moving upwardly or downwardly.
The uppermost extent of travel of the end roller 120 of the conveyor belt 6 is shown in dotted outline in FIG. 9. As seen, the entire structure pivots about the roller 63, so that the roller 63 continues to receive cookies from the conveyor belt 40 during the upward motion and travel of the downstream end portion of the conveyor 6. As seen, the roller 609, seen in dotted outline in the slot 61 has given up belt slack and has moved to the right thereby stretching the spring 620, also seen in dotted outline in FIG. 9 in the dotted outline position. Thus, the roller 609 accommodates the outward motion of the roller 120 along the slot 12.
FIG. 10 is a schematic side view of the conveyor belt and roller arrangement of FIG. 9. Here, the roller 609 is movable and the permitted direction of movement is shown by the double-headed arrow associated therewith. Also, the roller 120 has a horizontal component of movement indicated by the double-headed arrow associated therewith, as well as an upward or downward component is indicated by the heavy black double-headed arrow which indicates the overall arcuate path of travel of the conveyor 6 about the roller 63. A small arrow above the belt 61 indicates the direction of travel of the conveyor belt 61 in FIG. 10. All of the other rollers are as named and discussed in FIG. 9. The conveyor 7, having conveyor belt 71, would have a substantially identical belt path as shown in FIGS. 9 and 10, as well as virtually identical movement of the movable roller 709 and the movable roller 121 which is constrained to move in the slot 13. In almost every respect, the workings of the conveyors 6 and 7 is substantially identical with any differences being due to the fact that the conveyor 7 must be positioned below the conveyor 6 and slightly to the left thereof as seen in FIG. 1, due to the pivotable movement of the pivotable section 5. Also, due to the initial downward inclination of the conveyor 7, which is not level as is conveyor 6, the angle downwardly at the downstream "nose" end leading to the roller 121 would generally be somewhat different and slightly less steep than that of the conveyor 6, since the conveyor 7 is already tilted somewhat downwardly initially.
FIG. 11 is a top view partially in section taken along line 11--11 of FIG. 9. Here, the support 230 and 231 are seen in cross-section, with slots 12 shown being formed in both of the supports 230 and 231. The ends of the roller 120 are seen as riding in the slots 12. The conveyor belt 6 is seen in top elevational view as having a Velocity in the direction of the arrow. While the roller 120 is shown as being directly constrained at its ends by the slots 12, a slidable member such as block or sled may actually retain the ends of the roller 120 therein, the block or sled being slidable relative to the slot 12. Such a support arrangement would be well known and conventional to anyone of skill in the machinist art.
FIG. 12 is a perspective view of a single tray 10 used in the preferred embodiment of the present invention. The tray 10 has a left side wall 162, right side wall 163, a top wall 164, and a lower wall 165. Three separate compartments 160 are all formed in the tray 10. A rear surface 163 is seen in FIG. 12, as being the lowermost right-hand edge of the right-most compartment 160 in FIG. 12. A compartment connecting portion 161 is seen in FIG. 12, which limits the entry of the slab-like members 82 between the compartment space and between the rear of compartments 160. This permits support of the trays 10 without providing a hard surface directly in contact with any of the ridge-like ribs formed in the tray surface.
The ridge portions are formed to conveniently provide a locating means for each of the cookies, the distance between adjacent ribs being approximately the thickness of a cookie. However, the ribs also tend to give the tray additional strength laterally and against bending. Nonetheless, the entire tray 10 is formed of very flexible, resilient material which, upon collision with a cookie, would not tend to damage it provided the collision occurred at a sufficiently low speed in the case of a very soft cookie as to avoid damage to the cookie by bending, crumbling, or the like. With hot, soft cookies which can be directly loaded into the trays 10, any bending of the hot, soft cookies will upon cooling, become a permanent shape to the cookie which is generally regarded as unattractive and slightly unappealing. Therefore, the resilient nature of the tray, together with the support arrangement shown in FIG. 1, permits the tray to resiliently collide with all portions of the cookies C which collide with it and are loaded into the trays 10.
FIG. 13 is a rear elevational view of FIG. 12, showing the top of the tray 164. As seen, the three compartments 160 have a generally circular right-hand outline, with the left-hand most edge of the tray 10 being linear. Two slab-like members 82 are shown in FIG. 13 inserted between the compartments 160.
FIG. 14 is a side view partially in cross-section taken along line 14--14 of FIG. 12. Also shown therein is a stack of cookies C, partially loaded into the tray 10, which cookies C are stacked atop one another in the tray 10. As seen in FIG. 14, the tray 10 has a flexible rear wall 163, and generally flexible top and bottom walls 164 and 165. A leading edge 167 of the tray 10 is visible in FIG. 14.
FIG. 15 is a side elevational view of a separator member 33. The separator member is shown as having a tapering leading and trailing end, for separating and guiding the cookies C into columns 101. The separators 33 are generally located between columns 101 of cookies C, as well as an opposite sides of each of the columns 101 for guiding of the cookies into the proper columns. This is necessary since the cookies received from the oven conveyor belt 100 are not necessarily and completely rows and columns, but may need to be relocated into columns by the separators 33.
FIG. 16 is a top elevational view of the separator 33 shown in FIG. 15. As seen in the FIG. 16, the separator 33 is linear. However, any other shape of separator 33 can be used. In particular, any curved, bent, or other shape separator can be used so long as it is adapted to receive cookies C or other articles for loading and to separate them into columns for providing columns at an accumulator station 3.
In FIG. 17, a variety of separator shapes are shown. The separator 33 is seen in FIG. 17, as well as a bent separator 33', another bent separator 33" and a fourth separator member 33'". These four separators receive cookies C from the conveyor 110 (shown broken away in FIG. 17) to separate cookies which are not precisely arranged in columns and to arrange them into columns. Spacing between the separators 33 has been exaggerated for clarity, and would likely be arranged more closely together to closely conform to the intended diameter of the cookies C.
FIG. 18 is a side view partially in section of the frictional transmission used to drive the rotary disc table 86. A similar fricitional transmission would be used to drive the rotary table 85 as well. As seen, the table 86 is shown as being broken away along its extremities and is seen in sectional view. Also, a covering portion 92 of the portion 9 of FIG. 1 is seen as surrounding a rotating frictional drive member 91. The portion 92 may rotate with the shaft 91 or may rotate relative thereto, and is merely used to keep dirt and dust from the fricitional drive system. The shaft 91 preferrably has a frictional contacting engaging relationship with the table 86, which is sufficiently strong to move the table at a reasonably fast speed during operation thereof, and yet having a sufficiently low frictional resistance that relative rotation between the table 86 and the shaft 91 is permitted while the table 86 is held stationary by any relatively low force applied to the table 86. This prevents accidents, destruction of the carousel 20, destruction of the devices 8, or the like due to improper operation when an obstruction is present.
Such an obstruction is the plunger 920 actuated by the control device 921 which indexes the table 86. The indexing is done at bores 99 which are formed into the edge surfaces of the table 86. Each of the bores 99 is located at a point where a tray holding device 8 is properly located with respect to the conveyors 6 or 7. The plunger 920 can if desired be spring-biased against the outer surface of the table 86 so that it is automatically inserted into the bores 99 upon encountering a bore 99 during rotation of the table 86 relative to the control device 921. During timed operation of the carousel relative to the conveyor belts, retraction of the plunger 920 is accomplished by a suitable electrical or mechanical input to the device 921. For example, if an electrical signal is used to indicate that the conveyor 6 is heading down or the conveyor 7 is heading downward, such indicates that the previous tray is full and that a new tray is needed to be rotated into position. Such a signal can be transmitted electrically, for example, or mechanically through a linkage or cam means associated with the movable conveyors. If an electrical actuator is used, a solenoid device (not shown) could be used to withdraw the plunger 920 back toward the device 921 to the position shown in FIG. 19.
FIG. 20 is a side elevational view of a portion of the table 86 showing the circular outline of the bore 99. Although a circular outline is used, and a bore is discussed, the indexing means could be any type means, not just a bore. Also, the bore need not be circular but can have any cross-sectional shape desired. For example, an indexing means could include magnets fixed to the table 86 in association with a magnetic locking device such as a fixed plunger having a strong magnetic or electromagnetic field for retaining the table in place until withdrawal of the magnet or cessation of the electromagnetic field. Any other types of indexing means can also be used, and such are contemplated as being within the scope of the present invention, since such could be used by anyone of skill in the control apparatus art.
FIG. 21 shows the indexing means of the preferred embodiment, the plunger 920, in indexed insertion into the bore 99. The table 86 is shown as being partially broken away. The actuating device 921 is shown in FIG. 21, with the plunger 920 being in its extended position indexing the table 86 by insertion into the bore 99, thus preventing relative movement between the table 86 and the device 921 which is fixed to a support.
FIG. 22 is a side elevational view of the tray holding device 8 of the present invention. A slab-like member 82 is seen in its true side elevational view in FIG. 22, and is fixed to the table 86 by a bolt 83. A portion of the front slab-like member 82 is broken away to show a schematic view of a spring 829 which is fixedly connected to the table 86 and at its other end to a portion 812 of the tray holding device 8.
A connecting member 813 connects two of the slab-like members 82 to one another and to the table 86 by use of the bolt 83. Several bolts can be provided, if desired, and the slab-like members can also be welded if desired to the table 86. A member 89 projects above the slab-like members 82 in FIG. 22, the member 89 being fixedly connected to the portion 812 along a length 819 thereof. The member 89 is conveniently a rod-like member which is bent into a right-angle form having a lower portion 819 which is preferably welded or otherwise attached fixedly to the portion 812 of a pivoting portion 81 of the tray support device 8.
The pivoting portion 81 pivots about a pivot member 84 which is supported at its ends by the slab-like members 82. The lowermost end of the pivotable portion 81 is bent at right angles thereto and is adapted for support of a tray thereon. The lowermost portion 811 of the pivotable portion 81 is not necessarily positioned at right angles to the portion 81 but can be at other angles thereto if such is desired. The spring 829 is used to pre-load the pivotable member 81 in a predetermined position, so that upon movement of the member 89 by an unloading member 961 (shown in FIGS. 1 and 2), the spring 829 is deformed and lengthened so as to enable pivoting about the pivot 84 of the pivotable portion 81 so that the tray can slide off the lower portion 811 and down a chute for subsequent handling or processing.
FIG. 23 is a top elevational view of the tray support device taken along line 23--23 of FIG. 22. This shows the true length of the uppermost edges of the slab-like members 82. As seen in FIG. 23, a pair of slab-like members have projecting ends, and are fixedly connected to the table 86 by the bolt 83. The bolt 83 passes through the connecting portion 813, which is preferably welded, bolted, or otherwise fixedly secured to both of the members 82 in the FIG. 23.
The member 89 is seen as centered upon the pivotable portion 812 of the pivotable member 81. As seen in FIG. 23, the lowermost portion 811 is very long and actually extends beyond each of the slab-like members 82 for full support of the trays 10. At the angle of view taken along FIG. 22, the spring member 829 appears schematically in FIG. 23 as connected between the portion 812 and the connecting member 813. The pin 84 is seen as enabling pivoting of the member 81 relative to the slab-like members 82. The portion 812 can be substantially narrower than the space between the slab-like members 82, or it may entirely occupy the space between the slab-like members 82 so long as it does not frictionally interfere therewith to any substantial degree. The pivot member 84 can be a rod inserted through a hole bored into the member 81, or it can be a rod or elongated article having any other cross-sectional shape physically attached beneath or atop the intersection of portions 81 and 812 of the pivotable section.
FIG. 24 is a front elevational view taken along line 24--24 of FIG. 22. The table 86 is shown partially broken away in this view. This view shows the true edge face surface of the lower tray support surface 811. All of the other parts, and their relationships, are as discussed with reference to the above-discussed FIGS. 22 and 23. In FIG. 24, the support surfaces used for directly contacting the trays 10 of the slab-like members 82 are visible fully.
FIG. 25 is a top elevational view, partially in section, of the unloading process as shown by the dotted outline. The member 89 is constrained to move forwardly by the member 961 which is fixed by a strut 962 (broken away in sectional view as having a circular outline in FIG. 25). The dotted path of travel is also shown in FIG. 25 of the member 89.
FIG. 26 shows the result of such movement of the member 89, that is the tilting of the pivotable portion 81 from its solid-outlined position to the dotted-outline position shown in FIG. 26. The pivotable movement results in the dotted outline position of the member 89, and the upward movement of the portion 812 as seen in dotted outline in FIG. 26. Also in FIG. 6, a side elevational view of the support strut 962 is seen, as is a side elevational view of the fixed member 961. The member 961 has an unusual arcuate shape to provide for smooth transition and low frictional forces between the member 89 and the member 961. Also as seen in FIG. 26, the member 961 can be lower at the right-hand portion and higher at the left-hand portion so that a very smooth transition can be made to occur without interference between the parts to any undue extent. This permits release of the pivotable section 81 after the tray 10 has been unloaded therefrom.
While a chute has been discussed as the unloading means, any other type of unloading means could be used as well and such is contemplated as being within the scope of the present invention. For example, a robot mechanism can physically lift out the trays 10 from the devices 8, or such can be done manually as well. All other types of loading and unloading devices for loading trays onto supports for supporting the tray without rigidly supporting the resilient cookie-receiving portions are contemplated as being within the scope of the present invention. Such devices for handling or conveying are well known to anyone having skill in the conveying or material handling arts, and therefore such other devices are properly within the scope of the present invention.
FIG. 27 is a schematic view of the driving and timing device of the present invention. It is a side view of two cam members which actuate the struts 611 and 711 in their upward and downward oscillatory movements. Also, the same drive means, such as motor or gasoline engine, is used to drive all of the parts shown in FIG. 27. Thus, the drive means is common to the accumulator conveyor belts 31, the conveyor belts 40, 61, and 71, as well as operating the pivotable section 5 of the conveyor 4. Furthermore, the common drive means also in FIG. 27 operates the cam 37 for actuating the accumulator release fingers 32.
FIG. 28 is a top elevational view showing the spatial separation of the two cam members which actuate the struts 611 and 711.
While a specific single drive means is shown, a plurality of timed devices could be used to drive each separate moving, pivoting, or rotating device. For this purpose, a standard timing device could be used for properly activating the devices in timed sequence. Furthermore, the apparatus of the present invention can be used with other sensing devices, such as devices for sensing weight of the cookies or articles on the conveyors, devices for sensing browning of the cookies or proper size or diameters, devices for rejecting broken or crumbled cookies, any optical, acoustical, or mechanical sensing devices and control devices for performing other operations on the articles or cookies on the conveyor belts, and the like. All such additional features are contemplated as being within the scope of the present invention.
The improved loading apparatus of the present invention is capable of achieving the above-enumerated object, and while preferred embodiments of the present invention have been disclosed, it will be understood that it is not limited thereto but may be otherwise embodied within the scope of the following claims.
|Cited Patent
|Filing date
|Publication date
|Jan 28, 1965
|Sep 12, 1967
|Emhart Corp
|Case packing machine for tiered articles
|Oct 4, 1968
|Jan 19, 1971
|Winkler Kg F
|Apparatus for depositing articles in rows
|Mar 20, 1972
|Jul 31, 1973
|Deines Baker Dev Co
|Accumulator and boxer for flexible bags
|Feb 17, 1972
|Oct 30, 1973
|Koslow G
|Machine for packaging long lengths
|Jun 2, 1972
|Jan 22, 1974
|Sig Schweiz Industrieges
|Device for the automatic filling of biscuits into packaging containers
|Nov 29, 1972
|May 28, 1974
|Pillsbury Co
|Apparatus for stacking and packaging food products
|Jun 19, 1975
|Nov 9, 1976
|Solbern Corporation
|Machine and method for transferring predetermined numbers of items
|Jul 2, 1976
|Aug 30, 1977
|Peters Machinery Company
|Method and apparatus for counting and loading items, particularly cookies, into packages and the like
|Nov 14, 1977
|Jul 3, 1979
|Campbell Soup Company
|Cookie dispensing apparatus
|Jan 17, 1978
|Sep 4, 1979
|Alisyncro S.A.S. Di Bruno & C.
|Installation for the distribution of food products, particularly confectionery products
|Sep 8, 1978
|Dec 2, 1980
|Warrick Equipment Corp.
|Apparatus for and method of sequentially transporting, accumulating and stacking a predetermined number of groups of individual similar flat articles and thereafter depositing the entire stack on a conveyor
|Aug 9, 1979
|Aug 4, 1981
|Baker Perkins Holdings Limited
|Apparatus for feeding articles to packaging machines
|May 12, 1981
|Nov 8, 1983
|Peters Machinery Co., Subsidiary Of Katy Industries
|Accumulator and stacker for sandwiched biscuits and the like
|May 3, 1983
|Feb 19, 1985
|Sig Schweizerische Industrie-Gesellschaft
|Method and apparatus for deflecting articles during their conveyance
|Citing Patent
|Filing date
|Publication date
|Sep 30, 1986
|Jan 24, 1989
|Nabisco Brands, Inc.
|Automatic direct soft cookie loading apparatus
|Sep 30, 1986
|Feb 28, 1989
|Nabisco Brands, Inc.
|Automatic direct soft cookie loading apparatus
|Dec 1, 1986
|Mar 7, 1989
|The Pillsbury Co. - 3764
|Multi-purpose conveyor system
|Sep 30, 1986
|Apr 18, 1989
|Nabisco Brands, Inc.
|Automatic direct soft cookie loading apparatus
|Oct 7, 1988
|Sep 11, 1990
|Sig Schweizerische Industrie-Gesellschaft
|Apparatus for forming and conveying groups of flat stacked items
|Jun 20, 1991
|Nov 24, 1992
|Callahan Jr Bernard C
|Automatic sorting, stacking and packaging apparatus and method
|Jun 23, 1994
|Apr 23, 1996
|Glader; John
|Apparatus and method for connected forming and controlled stacking of material
|Nov 28, 1995
|Jun 9, 1998
|Food Machinery Sales, Inc.
|Cookie tray loading machine
|Mar 29, 1996
|Sep 22, 1998
|F. R. Drake Company
|Collator for a food product packaging machine, and method of use thereof
|Jun 30, 1997
|Jan 5, 1999
|Cloud Corporation
|Cartoner with direct dropping of pouches into cartons
|Oct 29, 1999
|Jul 10, 2001
|Planet Products Corporation
|Product collator
|May 9, 2001
|Apr 30, 2002
|Planet Products Corporation
|Product collator
|Jun 30, 2000
|Jun 4, 2002
|Loesch Verpackungstechnik Gmbh & Co. Kg
|Method and device for packaging flat products
|Apr 12, 2002
|Apr 27, 2004
|Triangle Package Machinery Company
|Horizontal cartoner system and method for the use thereof
|May 14, 2002
|Apr 18, 2006
|F.R. Drake Company
|System and method of processing and packing disk-like objects
|Jun 15, 2006
|Jan 25, 2011
|Formax, Inc.
|Food stack aligning device for conveyor
|May 14, 2002
|Dec 19, 2002
|Hart Colin R.
|System and method of processing and packing disk-like objects
|U.S. Classification
|53/246, 53/251, 53/254
|International Classification
|Cooperative Classification
|European Classification
|Dec 13, 1985
Owner name: NABISCO BRANDS, INC., NABISCO BRANDS PLAZA, PARSIP
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:SIMELUNAS, WILLIAM J.;SHOIKET, HENRY N.;ESPEJO, CELSO;REEL/FRAME:004487/0412
Effective date: 19850211
|Dec 4, 1990
|Maintenance fee reminder mailed
|May 5, 1991
|Lapse for failure to pay maintenance fees
|Jul 16, 1991
|Expired due to failure to pay maintenance fee
Effective date: 19910505


text:
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Centre for the Development of Teaching and Learning (CDoTL) play host to colleagues from University College Cork.
On Wednesday 18th January 2012 CDoTL played host to a visit from colleagues from the Teaching and Learning Unit ('Ionad Bairre') at University College Cork (UCC), Ireland. Professor Grace Neville (VP Teaching and Learning), Dr Bettie Higgs and Marian McCarthy … Continue reading
Posted in Latest News Tagged Blackboard, Dr Anne Crook, FDTLs, Pathfinder, Professor Gavin Brooks, T&L Awards, UCC, Visit Leave a comment

subset: commoncrawl


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Belaire Motel
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TripAdvisor Reviews Belaire Motel Muskegon
Travel Blogs from Muskegon
Tips for Traveling to Ireland and UK
... last entry, it is usually an hour before closing. If renting a car do your homework ahead of time to find a deal it can be expensive particularly for automatic vehicles, and understand what your options are for insurance coverage. Be aware that dinner is served later than we are used to. As we found in Skye the restaurants don't serve food until 6:00 or after and they may only take reservations once per table. If you are looking to experience ambiance and ...
Fish and Chips, Haggis, and Black-pudding...Oh My!
... it's cold and rainy here! After a day out in the chilly air a warm meal sounds good so traditional comfort foods influence the cuisine. I have to admit that I didn't have a good perception of Pub food before this trip based on what typical pubs serve in the States. After eating at several Pubs and small family owned restaurants I found it is some of the best food at reasonable prices. Sure you can go to high end restaurants in the big cities and find ...
Rain jacket...check...or should I say Mac check...
... pretty moderate for most of the year, Ireland averages a temp of 50 degrees with winters sticking around 40 degrees. England is much of the same average temp is 60 degrees, summers reach near 70 and winters stay about 40. Scotland further north into the Highlands can see winter temps near freezing.
Since we will be traveling for two weeks and moving around a lot, we are packing about a weeks worth of clothes and will have our laundry ...
Planning a trip to Ireland and UK
... around they are inexpensive and dependable. Given that we needed a car to get around once we arrived in Killarney we opted to rent a car and drive the 4hrs from Dublin to Kenmare.
There are many things to consider when renting a car in Ireland. Vehicles with an automatic transmission are not common and to get one you will pay 2-3 times the cost of a manual. With this being our first timing driving on the "other" side ...
2nd night in Newaygo
... s a three prong plug as opposed to your two prong plugs at home those are 15 or 20 amps. 3) Do you know what Black Water is? It's gross, but that's the water from the toilet...you dump that first, then the gray water from the sinks...helps to keep your sewer lines less...ahhhh....messy 4) Do you know where the generator gets its fuel from? The car gas! Quite nifty. But you only need the generator when your "dry camping" and not hooked up ...
Other places to stay in Muskegon
Mona Lake Inn3420 Hoyt St, Muskegon | Motelfrom $48


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Headbands are great for keeping your hair out of your eyes at all times but when you're growing out your bangs, they're absolutely essential.
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With our rainbow scrunchie phase long behind us, it's been a while since we've experimented beyond basic hair ties. Luckily, the lovely designers at ban.do have created a line of grown-up hair accessories that are both charming and chic. Their silk satin headbands come in a variety of fun colors and comfy enough to wear all day. Each pack includes 4 headbands.
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Series: NATO ASI Series E: Applied Sciences [Closed] Volume: 322
Addresses both the structure and motion of biological materials and the increasingly complex behaviour that arises out of interactions in large systems, giving rise to self organization, adaptation, selection and evolution: concepts of interest not only to biology and living systems but also within condensed matter physics.
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William B. Quandt
ISBN: 9780815726753 | Format: PaperBack | Release Date: 01/12/2015
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In September 1978, William Quandt, a member of the White House National Security Council staff, spent thirteen momentous days at Camp David, the presidential retreat in Maryland, where three world leaders were holding secret negotiations. When U.S. President Jimmy Carter, Egyptian President Anwar Sadat, and Israeli Prime Minister Menachem Begin emerged on September 17, they announced a monumental accomplishment: the first peace agreement between Israel and one of its Arab neighbors.
Praised by some for laying the foundations for peace between Egypt and Israel, the accords have also been criticized for failing to achieve a comprehensive settlement, including a resolution of the Palestinian question. But supporters and critics alike recognize the importance of what happened at Camp David, and both groups acknowledge the vital role played by the United States in reaching an agreement.
There are few eyewitness accounts of the Camp David negotiations. Of the three leaders present, only Jimmy Carter wrote specifically of the talks in "e;Keeping Faith: Memoirs of a President"e; (1982). Neither Sadat nor Begin ever wrote about Camp David.
Quandt's book is not only an eyewitness account but a scholar's reconstruction of the event, with insights into the people, politics, and policies. His "e;Camp David"e; has provided a comprehensive and lasting guide to the difficult negotiations surrounding the talks, including the fraught scenario leading up to the meetings at the presidential retreat and the accord that would lead to Sadat and Begin jointly receiving the 1978 Nobel Peace Prize.
Praise for "e;Camp David: Peacemaking and Politics "e; "e;The most authoritative account of a major historic event, written with scrupulous scholarship by a key behind-the-scenes participant."e; Zbigniew Brzezinski, Adviser to the President for National Security Affairs, 197781
"e;An excellent piece of work... will represent a major contribution to the academic literature on American Middle East policy during the Carter administration. No one but Bill Quandt could, in my view, write so knowledgeable, yet so judiciously balanced, an account."e; Hermann Frederick Eilts, Director, Boston University Center for International Relations, and ambassador to Egypt, 197379
"e;Quandt writes as a participant in the process and as a thoughtful, proven scholar, an expert on international diplomacy and on the Middle East."e; "e;Foreign Affairs"e;"e;
Camp David
Brookings Institution Press
25.0 mm
152.0 mm
Sub Title:
Peacemaking and Politics
Brookings Classic
Non Fiction /
Publication Date:
203.0 mm
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Covercraft Car Sun Shade Part #uv11073BL Customer Reviews
206 Customer Reviews
Best one
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