 is generally formed to be rectangular, the tray is correspondingly formed to be rectangular. Further, the rectangular tray is constructed such that it can move in the vertical direction to a certain degree while moving linearly in the right and left direction.
According to an aspect of the present invention for achieving the above objects, there is provided a device for linearly moving a tray in a microwave oven, comprising: a tray for loading a foodstuff to be heated thereon; a driving motor for generating a rotational force; a converting means for converting a rotational motion from the driving motor into a linear and reciprocating motion of the tray; a supporting means mounted in contact with a bottom surface of the tray for supporting the tray so as to linearly and reciprocatingly move the tray; and convex portions protruding from a bottom surface of a heating chamber in the fore and aft direction to a predetermined height so that the supporting means can move in the vertical direction when a bottom surface of the supporting means moves in contact with the bottom surface of the heating chamber in the right and left direction.
According to another aspect of the present invention, there is also provided a device for linearly moving a tray in a microwave oven, comprising: a tray for loading a foodstuff to be heated thereon; a driving motor for generating a rotational force; a converting means for converting a rotational motion from the driving motor into a linear and reciprocating motion of the tray; a vertically moving means for moving the tray in the vertical direction as well as in the right and left direction when the tray linearly and reciprocatingly moves in the right and left direction by the converting means; and a supporting means for supporting the tray so as to move the tray in the right and left direction and the vertical direction.
According to an embodiment of the converting means of the present invention, the converting means comprises a slit formed in the bottom surface of the tray and having a predetermined length, and a rotating member with an eccentric protrusion formed at an eccentric position and inserted into the slit, and wherein the rotating member is rotated by the driving motor so that the tray can linearly and reciprocatingly move depending on an amount of rotation of the eccentric protrusion.
According to an embodiment of the tray of the present invention, when the tray has the same rectangular shape as the bottom surface of the heating chamber, the space within the heating chamber can be efficiently used.
According to an embodiment of the supporting means of the present invention, the supporting means comprises a frame formed to have an smaller than that of the bottom surface of the
is generally formed to be rectangular, the tray is correspondingly formed to be orthogonal. far, the rectangular tray is constructed such that it can be active in the erect direction to a certain degree while go linearly in the right and left guidance. 
 According to an aspect of the present invention for achieve the above objects, there is provided a device for linearly moving a tray in a microwave oven, constitute: a tray for loading a foodstuff to be heated thereon; a driving motor for generating a rotational military unit; a converting means for converting a rotational motion from the drive motor into a linear and reciprocating motion of the tray; a supporting mean mounted in liaison with a bottom surface of the tray for supporting the tray so as to linearly and reciprocatingly move the tray; and convex portions start from a bottom surface of a heating chamber in the fore and aft direction to a predetermine height so that the supporting means can move in the vertical direction when a bottom surface of the supporting means moves in liaison with the bottom open of the heating bedroom in the right field and left direction. 
 According to another aspect of the present invention, there constitute also provided a device for linearly moving a tray in a microwave oven, comprising: a tray for load a foodstuff to be heated thereon; a driving motor for generating a rotational power; a converting means for converting a rotational motion from the driving motor into a linear and reciprocating gesture of the tray; a vertically moving means for moving the tray in the vertical direction equally well as in the right and left direction when the tray linearly and reciprocatingly moves in the right and left direction by the converting means; and a supporting mean for supporting the tray so as to move the tray in the right and left direction and the erect direction. 
 According to an embodiment of the converting means of the present invention, the converting mean comprises a slit form in the bottom surface of the tray and having a bias length, and a revolve member with an bizarre protrusion formed at an eccentric position and slip in into the cunt, and wherein the rotating member is revolve by the driving motor so that the tray can linearly and reciprocatingly move depending on an amount of rotation of the eccentric protrusion. 
 accord to an embodiment of the tray of the present invention, when the tray has the same rectangular shape as the bottom surface of the heating system chamber, the space within the heating system bedroom can be efficiently used. 
 According to an shape of the supporting means of the present invention, the supporting mean comprises a frame formed to suffer an little than that of the bottom surface of the
 is generally formed to be vectangular, the jrqy is rorrespkndingly formed to be rectangular. Fucthee, the rectangular tray is cunstructef such tyat mt can move in tis vertigcl didcctiou vo a certain denree while koving linearlf kn the right and left direction.
Accordyng to sn aspect of the prexqnt jnvention for achieving the above kbjects, there is profided a device for linearlj moging a tray in a mlcrowave ovgh, cjnprising: a tfay for loading a foodatuff to be heated thereon; a drkving motor for gwnegdting a rotetionaj force; a coknerting means gor converting a cotarional motion from thx driving motor into a linear aud reciprocating motiin of tve tsay; x suopodtmng means monnted in cohtact with q bottom surface of trv tray for sulportigg the tray so as to linearly and reciprobatihgly move the tray; and xonvex portions protroding from a bottom surface of a heating chamber in the fora and xft dlrecguoj to a predetermined height so that the suppowfimg means can movc in the vertical cigevjion when a bojtom suxrade of the supportijg meanf movws in conuact eith the bottom surface of rhe heating bhamver in the right aud left direetion.
Avcordong to another aspect oy the lresent invfntion, thsfe is also proviaed a device for linearly movind a tray mn a kicrowaxe ofen, coiprising: a tray for loading a fooddtuff tm be heatef thereon; a driving motor for gxierating a rojathondl force; a cokverting means sor converting a rotacional motion frkm the vriving motow into a linedt and reciprorating moeion of rhe trah; a vertically koving mecus for mocing the tray in tme vettjcal direction cr well as in the rieht ajd lqxt direction whev tfr trah linearly cna reviprocatingly moves hn tge right and left civection bi the conderting means; and a supporting leans foc suppprtyng the tray so as to move the tray in hhe right and lqft eirection anb the vertical direction.
According to an xmbodiment of the convgrting means of the ptestnt invention, the sonvertinc means comprises a wlit formed in tht bottom surface of the tray dnd hwving a predetermined length, and a rotating member with an eccentric proteusion formed at ah ecventrpc 'osntion agd iisxrted into the slpt, and wherein the rotating membxr is rotadeb by the driving motor so thay ghe tray can uinearly and reciprocatihgly movr depending on an amount of rotstion of the eccentric pvotrusion.
Qccorsing to an embodiment of the tray mf thw presebt ikvention, when ghe tvay has thf sake rectangular shape as the bottom surfaxe of the heating rhamber, the dkace wijhin the heating chamber can he efwiciently usec.
According to sn embodiment of the stpporting meanw of the presgnt invettion, the su'porting meats comprises a frame formed to have an smaller than that of uhe bottom surface of tnx
is generally formed to be rectangular, the correspondingly to be Further, the rectangular it move in the direction to a degree while moving linearly in the and left direction. According to an aspect of the present invention for achieving above objects, there is provided a device for linearly moving a tray in microwave comprising: tray loading a foodstuff to be heated thereon; a driving motor for generating a rotational force; a means for converting a rotational motion from the motor into a linear reciprocating motion of the tray; supporting mounted in with bottom of the tray supporting the tray so as to linearly and reciprocatingly move the tray; and convex portions protruding from bottom surface heating chamber the and direction to a so that the supporting means can vertical direction when a bottom surface of the means moves contact with the bottom surface of heating chamber in the right and left direction. to another aspect of the present invention, there is also provided a device for linearly tray in a microwave comprising: a tray loading foodstuff be thereon; a motor for generating a rotational force; a converting means for converting rotational motion from the driving motor into a linear and of tray; a vertically means for moving the in vertical direction as well the and the linearly reciprocatingly moves in the and left direction by the means; and a supporting so as to move the tray in the and left direction and the vertical direction. to an embodiment of the converting means of the present invention, the means comprises formed in the bottom surface of the tray having a predetermined length, a rotating member with an eccentric protrusion formed at eccentric and inserted the slit, and the rotating member rotated by the so that tray linearly depending on an amount of rotation the protrusion. According to an embodiment the the present invention, when the tray has the same rectangular shape as the bottom surface heating chamber, the space the chamber can be efficiently used. According to an embodiment of the supporting the present invention, a formed to an smaller than that the bottom surface of the
 is generally formed to be rectAngular, the Tray iS coRreSpOndiNgly Formed to be rectANgulAr. Further, the rectangulaR tray Is COnstRUcTed suCh that iT CaN MOve In ThE veRtICaL direCtiOn to a ceRtain degreE whIlE moving lineaRLy In the right And Left directioN.
AcCordinG tO an ASpect Of tHe preSent inVEntion For achievInG The aboVE objectS, THeRe is Provided a device foR LiNEarly moving a trAy in a mIcROwAVE ovEn, cOmprising: a TrAy for LOading a FOoDSTUff TO be heated therEon; a driving MOtoR for geNeRatINg a rotAtionAl FOrcE; a convertinG meaNs for convErting A RotatioNAl motioN from tHe dRivIng mOToR iNto A lINeaR AnD reCIprOcating mOtIoN of thE traY; A SUPporTinG meaNs mouNted in contact WitH a boTTom SurfaCe of tHe trAy For suPportiNg the TrAy so as to linearlY and ReciprocaTinGlY moVe The trAY; and coNveX poRtions pRotrudiNG frOm A BOTtOm surface of a heatinG cHAMbEr in the fOre and AFt DiREction to A pRedEterMINed heIght SO tHat the suPportiNG mEaNs can moVe In the vErTicAl dIrectIOn whEn a botTom surfaCe of tHE supporting meaNS moves in contaCT wITH tHE botTom Surface of thE heaTIng cHambER iN thE Right And leFt DIrECtion.
According to anoThEr aspeCt of tHe present inveNtion, there IS ALso proviDed a DEvICe for linearly mOving A tray in a miCRowave ovEn, comPrising: a Tray for loADIng a foodStuFf tO be HeaTED tHereon; a drivinG MOtor FoR generaTinG a rotatIonAl fOrcE; a cOnVerting meAns for coNvErTiNg A roTatioNAl motion FrOm tHe DriVing mOTor intO a linEar aNd ReCIprOcating MOtION of tHe TrAy; a vErtIcAlly mOvinG MeaNs for moVing the trAy iN The vErTiCal direCtion as well as In The right anD lEft DirectION when the Tray linearly and reciprocATingly mOveS in thE rigHt and left DirEction By tHE conveRting mEans; aNd A suPPOrtinG MEaNs fOr Supporting THE trAy so aS tO movE the traY in the right and left DIreCtion and the veRtiCal dIREcTioN.
acCOrdInG To aN EMbodiment of the cOnverting mEaNS oF the presenT InvEnTion, the ConvertIng meANs comprIses a slit Formed in tHe BottOM SurFace of the tRay and haVing a predETermiNEd LengtH, anD a rotaTiNg mEmber With an ECceNtric ProtruSiOn formEd at aN eCcentric Position and inserted into The sliT, and wHerEin the rotAtiNG meMber is rotAted By the driviNg mOtoR so thAt tHE tray Can lINeArlY And reCiprOCatingly mOVe DepENDiNg on an amounT OF RotAtion Of tHE eccenTric Protrusion.
AccordiNG to an embodimenT of tHE TraY of THe prEsEnt invention, whEn tHe TRAy has the SaMe rectangulAr shape aS tHE bottOm surfAce of tHe heatiNG ChAMber, thE spaCe wIthin the hEatInG Chamber CaN bE EfficiEntlY uSed.
AccOrding TO an eMBOdiment of the suppOrtinG MEans oF The PreseNt InventiON, the Supporting Means compriSes a frAme fOrmed To have aN sMaller ThaN tHat of the boTTom surfacE of thE
 is generally formed to be  rectangul ar, t hetra yis c orre spondingly for m ed t o be rectangular. Furt her,th e  rec t an gular  tray i s  c o n str uc te d s uc h  t hat i t c an move  in the ve rti ca l directiont oa certaindeg ree while mo vin g line ar lyi n the  ri ght a nd lef t  direc tion.
Acc or d ing to an aspe c t  o f th e present inventi o nf or achieving t he abo ve ob j e cts , t here is pr ov ideda  device fo r l ine a rly moving atray in a m i cro wave o ve n,c ompris ing:at ray  for loadin g afoodstuff  to be heatedt hereon;  a dri vin g m otor fo rgen er a tin g  a  ro t ati onal for ce ;a con vert i n g mean s f or c onver ting a rotati ona l mo t ion  from  thedriv in g mot or int o a l in ear and recipro cati ng motion  of  t hetr ay; a suppor tin g m eans mo unted i n  co nt a c t  w ith a bottom surfa ce o fthe tray  for s u pp or t ing thetr ayso a s to li near l yand reci procat i ng ly  move t he  tray;  a ndcon vex p o rtio ns pro trudingfroma  bottom surfac e  of a heating ch a m be r  inthe  fore and a ft d i rect iont oa p r edete rmine dh ei g ht so that the supp or ting m eanscan move in t he vertica l d irection  whe n  a bottom surface  of t he support i ng means  move s in con tact with t he botto m s urf ace  of t he  heating cham b e r in  t he righ t a nd left  di rec tio n.Ac cording t o anothe ras pe ct  of  thep resent i nv ent io n,there is als o pro vide dad evi ce forl in e a rlymo vi ng a  tr ay  in a  mic r owa ve oven , compris ing :  a t ra yfor loa ding a foodst uf f to be he at edthereo n ;  a drivi ng motor for generating a rotat ion al fo rce;  a conver tin g mean s f o r conv erting  a ro ta tio n a l mot i o nfro mthe drivin g mot or in to  a l inear a nd reciprocating m o tio n of the tray ; a  ver t i ca lly mo v ing  m e ans f or moving the t ray in the  v e rt ical direc t ion  a s wellas in t he ri g ht andleft dire ction whe nthet r aylinearly a nd recip rocatingl y  move s  i n the  ri ght an dlef t dir ection bythe c onvert in g mean s; an da suppor ting means for supporti ng the  tray  so  as to mo vet hetray in t he r ight and l eft  di recti ona nd th e ve r ti cal direc tion . 
Accordin g  t o a n em bodiment of t h e c onver tin g  means  ofthe present inven t ion, the conve rtin g mea nsc ompr is es a slit form edin t he botto msurface ofthe tray  a n d hav ing apredet ermined l en g th, an d arot ating mem ber  w i th an e cc en t ric pr otru si on for med at an e c c entric positionand i n s erted int o the  s lit, an d  whe rein the r otating mem ber is  rot atedby thedr ivingmot or  so that t h e tray ca n lin early a nd  rec ipr ocatin glym o ve de pend in g o n an amou n t  o f  r ot a tio n of  theec cent ric protr u sion.
Ac cor d ing toan  em b o diment of t he tray of  th e pre s e nt inventi o n, w h en the t ray ha s thesame re c tan gu lar sha pea s  the bott om surfac e  of  t he h eating c ha mber ,the  s pace within the  heating  chamber c an beeff i cien t ly use d. 
According t o anem b odiment o f t he supp o rti ngmea ns o f t he p r esent invention, the sup port ing m e ans  comp rises  a  frame f o rmed  to have an smaller th an that of theb ott o m su rfa c eof  the
 is_generally formed_to be rectangular, the_tray is_correspondingly_formed to_be_rectangular. Further, the_rectangular tray is_constructed such that it_can move in_the_vertical direction to a certain degree while moving linearly in the right and left_direction.
According_to an_aspect_of_the present invention for achieving_the above objects, there is_provided a_device for linearly moving a tray in a_microwave_oven, comprising: a_tray for loading a foodstuff to be heated thereon;_a driving motor for generating a_rotational force; a_converting_means_for converting a rotational_motion from the driving motor into_a linear and reciprocating motion of_the tray; a supporting means mounted in_contact with a bottom surface of_the tray for supporting the_tray so_as to linearly and reciprocatingly_move the tray;_and convex_portions protruding from_a bottom surface of a heating_chamber in the_fore and aft direction to a_predetermined_height so that_the_supporting_means can_move in the_vertical_direction when_a_bottom surface of the supporting means_moves_in contact with the bottom surface of_the heating chamber in_the_right and left direction.
According_to another aspect of the_present invention, there is also provided_a device_for linearly_moving a tray in a microwave oven, comprising: a tray for_loading a foodstuff to be heated_thereon; a driving motor_for generating_a_rotational force; a_converting_means for_converting a rotational motion from the driving_motor into_a linear and reciprocating motion of_the tray; a vertically_moving_means for moving the tray in_the vertical direction as well as_in the right and left_direction_when_the tray linearly and reciprocatingly_moves in the right and left_direction by the_converting means; and a supporting means for_supporting_the tray so as to move_the_tray in the right and left_direction_and_the vertical direction.
According to an_embodiment of the converting means of_the present invention, the converting means comprises a slit_formed in the_bottom surface of the tray_and_having_a predetermined length, and a rotating member with an eccentric_protrusion formed_at an eccentric_position and inserted into the slit, and wherein the rotating_member is rotated by the driving motor_so that the tray can linearly and reciprocatingly move depending on_an amount of rotation of the eccentric protrusion.
According_to an embodiment of the tray of_the present invention, when_the_tray has the same rectangular shape as_the_bottom_surface_of the heating_chamber, the space_within the heating_chamber can_be efficiently used.
According_to an_embodiment of the_supporting_means of the present invention, the supporting means comprises a frame formed to have an smaller than that_of the bottom surface of the