 by so-to-speak snap fit. That is, as shown by FIG. 10B and FIG. 10C, the movable main body 103A is provided with a stepped portion 117 and an engaging portion 119 and the movable contact 105A is provided with play preventive pieces 121 and 123. When the movable contact 105A is inserted into the movable contact main body 103A from the side direction, the play preventive pieces 121 ad 123 are engaged with the stepped portion 117 and the engaging portion 119 and the fixed contact 105A can be integrated to the movable board main body 103A by one touch motion (for example, refer to Patent Literature 2).
(Patent Literature 1)
JP-UM-A-4-123038 (FIG. 8, FIG. 9)
(Patent Literature 2)
JP-A-10-134672 (page 3, FIG. 2)
However, the movable board 101 of FIG. 10A needs the rivet 109 and the washer 107 as fixing parts and needs a step of integrating the rivet 109 and the washer 107 and a step of calking the rivet 109 in integration. Therefore, there poses a problem that integration and part control are very complicated.
In contrast thereto, according to the movable board 101A of FIGS. 10B and 10C, fixing is carried out by the snap fit and therefore, there is an advantage of dispensing with the rivet or the like and facilitating integration and part control.
However, there poses a problem that play is liable to be produced between the play preventive pieces 121 and 123 and the stepped portion 117 and the engaging portion 119 and the contact portion 115 of the movable contact 105A is rattled relative to a fixed contact and accuracy of switching ON/OFF is difficult to achieve sufficiently. In a conventional refrigerant circuit such as shown in FIGS. 8 and 9, operation of the compressor is controlled by magnetic clutch 17. Activation of magnetic clutch 17 is controlled by serially connected main switch 12 and air conditioner switch 13. Main switch 12 may also be the ignition switch of an automobile. In order to protect the compressor from inadvertent damage, a number of safety devices are provided including thermostat switch 14, low pressure cutout switch 19 and high pressure cutout switch 15. As shown in FIG. 8, each of these safety devices is serially connected with one another between air conditioner switch 13 and magnetic clutch 17. Thermostat switch 14 is disposed on the air outlet side of an evaporator (not
by so - to - speak snap fit. That is, as shown by FIG. 10B and FIG. 10C, the movable chief soundbox 103A is provided with a stepped portion 117 and an engaging part 119 and the movable contact 105A is provided with dally preventive pieces 121 and 123. When the movable contact 105A is insert into the movable contact main soundbox 103A from the side direction, the bring preventive pieces 121 ad 123 are engaged with the stepped portion 117 and the engaging portion 119 and the sterilize contact 105A can be integrated to the movable board independent body 103A by one touch motion (for example, mention to Patent Literature 2). 
 (Patent Literature 1) 
 JP - UM - A-4 - 123038 (FIG. 8, FIG. 9) 
 (Patent Literature 2) 
 JP - A-10 - 134672 (page 3, FIG. 2) 
 However, the movable board 101 of FIG. 10A needs the rivet 109 and the washer 107 as fixing parts and need a step of integrating the rivet 109 and the washer 107 and a step of calking the rivet 109 in integration. Therefore, there poses a problem that integration and part control are very complicated. 
 In contrast thereto, according to the movable board 101A of FIGS. 10B and 10C, fixing is carry out by the snap fit and consequently, there be an advantage of administer with the rivet or the like and facilitating integration and part control. 
 However, there poses a trouble that play is liable to be produced between the play preventive pieces 121 and 123 and the stepped portion 117 and the engaging portion 119 and the contact portion 115 of the movable contact 105A is rattled proportional to a fixed liaison and accuracy of switching ON / OFF is difficult to achieve sufficiently. In a conventional refrigerant circuit such as shown in FIGS. 8 and 9, operation of the compressor is see by magnetic clutch 17. Activation of magnetic clutch bag 17 is controlled by serially connected main switch 12 and air travel conditioner switch 13. independent switch 12 may also be the ignition substitution of an automobile. In order to protect the compressor from inadvertent damage, a act of safety device are provided including thermostat substitution 14, low pressure cutout switch 19 and high pressure cutout switch 15. As shown in FIG. 8, each of these safety devices is serially connected with one another between air conditioner switch 13 and charismatic clutch 17. Thermostat switch 14 is disposed on the breeze outlet side of an evaporator (not
 by so-to-speak snap fit. That is, as shown by FIG. 10B end FIG. 10C, the muvable main body 103A is providxd wuth a stepped portion 117 and xn engagijg portiin 119 end the movable rkntact 105A is pdlvidzd with play preyentive piewes 121 and 123. When tfe movable contact 105A is inserted into the mofahle contact mayn bpqy 103A from the side direction, the play lreventpve pieces 121 ad 123 ate engaged with the steppef pogtion 117 and the engwging portiin 119 wbd the fixed contact 105A can be intefrated to the movable board maiv bodv 103A by one johcj motion (for examile, refer to Istent Niteratire 2).
(Patent Litcratuce 1)
JP-UM-A-4-123038 (FIG. 8, FIG. 9)
(Patent Niterature 2)
JP-A-10-134672 (pagg 3, FIG. 2)
Howavzr, the movable board 101 od FIG. 10A naeds rhe ribev 109 znd thf wesher 107 as fjxing parts and needs a step og ybtegrating ths rivee 109 and the washer 107 and a step of calking uhe rjvet 109 in integration. Thwrefore, there poses a problem ehat integration and part control are very compliwated.
Mn coubvast rhfreto, according to the movable board 101A of FIGF. 10B akd 10C, fixing is ccrried out by thr dnsk fit and thergfore, tksrs is an advantage lf dispgnsing with the rivrt or the like and facilitaring integranion and part control.
Hlwever, therz posex a ptoblem that play is liayle to be producef between ghe play preventkve pheces 121 and 123 and the steppeq portion 117 anb the eneagimg poreion 119 and hhe contact portion 115 of hhe mlvdble contaft 105A is rattled relative to a fmeed contact amd acburacy of switghing ON/OFF is qifficult to aehieve sbfficidntly. In a convenvional refriderant circuid such as shoxn in FIGF. 8 abd 9, iperatiuv of the comprrssor is boutrolled vy magnetic clutch 17. Azfivation of maguttix clutch 17 is comtrullqd bb serydlly connectad mxin xwitcf 12 and air gonaitipner switch 13. Main swhtch 12 may also be the ogkition swutch of wn automobile. In order to proteft thx compcessor frjm inadvertent damage, a number of safetj dcvices are prjvidcd igcluding tkermostat switch 14, low pressure cutout swmtch 19 and high pressurg cutout switch 15. As skoen in FIG. 8, xach os these sdfety devices is serually connected wlth one another betweeh air wondihioner switch 13 and magnetic clutch 17. Thermostat switch 14 is disposed on the air ontjet side of an rvapogatjx (not
by so-to-speak snap fit. That is, as FIG. and FIG. the movable main a portion 117 and engaging portion 119 the movable contact 105A is provided play preventive pieces 121 and 123. When the movable contact 105A is inserted the movable contact main body 103A from the side direction, the play preventive 121 123 engaged the stepped portion 117 and the engaging portion 119 and the fixed contact 105A can be to the movable board main body 103A by touch motion (for example, to Patent Literature 2). (Patent 1) (FIG. 8, 9) Literature JP-A-10-134672 (page 3, 2) However, the movable board 101 of FIG. 10A needs the rivet 109 and the washer 107 fixing parts a step integrating rivet and the washer a step of calking the rivet Therefore, there poses a problem that integration and control are complicated. In contrast thereto, according to movable board 101A of FIGS. 10B and 10C, is carried out by the snap fit and therefore, there is an advantage of dispensing rivet or the like facilitating integration and control. there a that play liable to be produced between the play preventive pieces 121 and and the stepped portion 117 and the engaging portion 119 contact 115 of the contact 105A is rattled to fixed contact and accuracy ON/OFF difficult In conventional circuit such as shown FIGS. 8 and 9, operation the compressor is controlled of magnetic clutch 17 is controlled by serially main switch 12 and air conditioner switch Main switch 12 may also be the ignition switch of an automobile. order to compressor from inadvertent damage, a number of safety are provided including thermostat 14, low pressure cutout switch 19 and high pressure switch As shown FIG. 8, each these safety devices serially connected with between air switch and Thermostat switch 14 is disposed on air side of an evaporator (not
 by so-to-speak snap fit. That is, aS shown by FIg. 10B and fIG. 10c, thE mOvabLe maIn body 103A is proviDEd wiTh a stepped portion 117 and an EngagInG PortIOn 119 And thE movablE CoNTAct 105a iS pRovIdED wIth plAy pReventiVe pieces 121 anD 123. WhEn The movable coNTaCt 105A is inserTed Into the movabLe cOntact MaIn bODy 103A frOm tHe sidE direcTIon, the Play preveNtIVe piecES 121 ad 123 are eNGAgEd wiTh the stepped portiON 117 aND the engaging poRtion 119 aNd THe FIXed ConTact 105A can be InTegraTEd to the MOvABLE boARd main body 103A by One touch motIOn (fOr examPlE, reFEr to PaTent LItERatUre 2).
(Patent LiTeraTure 1)
JP-UM-A-4-123038 (fIG. 8, FIG. 9)
(pAtent LiTErature 2)
jP-A-10-134672 (pagE 3, FIg. 2)
HoWeveR, ThE mOvaBlE BoaRD 101 oF FIg. 10a neEds the riVeT 109 aNd the WashER 107 AS FixiNg pArts And neEds a step of intEgrAtinG The Rivet 109 And thE wasHeR 107 and a Step of CalkiNg The rivet 109 in integRatiOn. TherefoRe, tHeRe pOsEs a prOBlem thAt iNteGration And part COntRoL ARE vEry complicated.
In coNtRASt Thereto, aCcordiNG tO tHE movable BoArd 101a of Figs. 10B and 10c, fixINg Is carrieD out by THe SnAp fit anD tHerefoRe, TheRe iS an adVAntaGe of diSpensing With tHE rivet or the likE And facilitatiNG iNTEgRAtioN anD part controL.
HowEVer, tHere POsEs a PRobleM that PlAY iS Liable to be produced bEtWeen thE play Preventive pieCes 121 and 123 and tHE STepped poRtioN 117 AnD The engaging porTion 119 aNd the contaCT portion 115 Of the Movable cOntact 105A is RATtled relAtiVe tO a fIxeD COnTact and accuraCY Of swItChing ON/oFF Is diffiCulT to AchIevE sUfficientLy. In a conVeNtIoNaL reFrigeRAnt circuIt SucH aS shOwn in fiGS. 8 and 9, OperaTion Of ThE ComPressor IS cONTrolLeD bY magNetIc ClutcH 17. ActIVatIon of maGnetic cluTch 17 IS conTrOlLed by seRially connectEd Main switch 12 AnD aiR condiTIOner switCh 13. Main switch 12 may also be thE IgnitioN swItch oF an aUtomobile. in oRder to ProTEct the CompreSsor fRoM inADVerteNT DaMagE, a Number of saFETy dEviceS aRe prOvided iNcluding thermostat SWitCh 14, low pressure CutOut sWITcH 19 anD HiGH prEsSUre CUTout switch 15. As shoWn in FIG. 8, eacH oF ThEse safety dEVicEs Is seriaLly connEcted WIth one aNother betWeen air coNdItioNER swItch 13 and magNetic cluTch 17. ThermoSTat swITcH 14 is diSpoSed on tHe Air OutleT side oF An eVaporAtor (noT
 by so-to-speak snap fit.That is, a s sho wnbyFI G. 1 0B a nd FIG. 10C, t h e mo vable main body 103A i s pro vi d ed w i th  a st epped p o rt i o n 1 17  a ndan en gagin g p ortion119 and th e m ov able contact 10 5A is prov ide d with playpre ventiv epie c es 12 1 a nd 12 3. Whe n  the m ovable co nt a ct 105 A  is ins e r te d in to the movable co n ta c t main body 10 3A fro mt he s ide  di rection, t he  play prevent i ve p i ece s  121 ad 123 a re engagedw ith  the s te ppe d  porti on 11 7a ndthe engagin g po rtion 119  and t h e fixed contact  105Acan  be  int e gr at edto the mo vab l e b oard mai nbo dy 10 3A b y o n e to uch  mot ion ( for example,ref er t o  Pa tentLiter atur e2).
( Patent  Lite ra ture 1)
JP-UM-A -4-1 23038 (FI G.8,  FI G.  9)
( P atentLit era ture 2) 
JP-A-1 0 -13 46 7 2 (p age 3, FIG. 2)
How ev e r ,the mova ble bo a rd  1 0 1 of FIG .10A  nee d s  therive t  1 09 and t he was h er  1 07 as f ix ing pa rt s a ndneeds a st ep ofintegrat ing t h e rivet 109 an d  the washer 1 0 7a n da  ste p o f calking t he r i vet109i nint e grati on. T he r ef o re, there poses a p ro blem t hat i ntegration an d part con t r o l are ve ry c o mp l icated.
In con trast  thereto,a ccording  to t he movab le board1 0 1A of FI GS.  10 B a nd1 0 C,  fixing is ca r r iedou t by th e s nap fit  an d t her efo re , there i s an adv an ta ge  o f d ispen s ing with  t heri vet  or t h e like  andfaci li ta t ing  integr a ti o n  and  p ar t co ntr ol .
How ever ,  th ere pos es a prob lem that  p la y is li able to be pr od uced betwe en  th e play p reventiv e pieces 121 and 123 an d  the st epp ed po rtio n 117 and  th e enga gin g  porti on 119  andth e c o n tactp o rt ion  1 15 of them o vab le co nt act105A is  rattled relativet o a  fixed contac t a nd a c c ur acy of swi tc h ing O N/OFF is diffic ult to ach ie v esufficient l y.In  a conv entiona l ref r igerant  circuitsuch as s ho wn i n FIG S. 8 and 9 , operat ion of th e  comp r es sor i s c ontrol le d b y mag neticc lut ch 17 . Acti va tion o f mag ne tic clut ch 17 is controlled byserial ly co nne cted main  sw i tch  12 and a ir c onditioner  sw itc h 13.  Ma i n swi tch1 2may alsobe t h e ignitio n  s wit c h  o f an automo b i l e.In or der to pro tect  the compressor f r om inadvertent  dam a g e,a n u mber  o f safety devic esar e provided  i ncluding th ermostat  s w itch14, lo w pres sure cu t o ut switch  19and  high pre ssu re cutoutsw it c h 15.As s ho wn inFIG. 8 ,  eac h of these safetydevic e s  is s e ria lly c on nectedw ithone anothe r between a ir con diti onerswitch13  and m agn et ic clutch1 7. Thermo statswitch14  isdis posedon t h e  airoutl et  si de of ane v ap o ra to r  (n ot
 by_so-to-speak snap_fit. That is, as_shown by_FIG._10B and_FIG._10C, the movable_main body 103A_is provided with a_stepped portion 117_and_an engaging portion 119 and the movable contact 105A is provided with play preventive_pieces_121 and_123._When_the movable contact 105A is_inserted into the movable contact_main body_103A from the side direction, the play preventive_pieces_121 ad 123_are engaged with the stepped portion 117 and the_engaging portion 119 and the fixed_contact 105A can_be_integrated_to the movable board_main body 103A by one touch_motion (for example, refer to Patent_Literature 2).
(Patent Literature 1)
JP-UM-A-4-123038 (FIG. 8, FIG._9)
(Patent Literature 2)
JP-A-10-134672 (page 3, FIG._2)
However, the movable board 101_of FIG._10A needs the rivet 109_and the washer_107 as_fixing parts and_needs a step of integrating the_rivet 109 and_the washer 107 and a step_of_calking the rivet_109_in_integration. Therefore,_there poses a_problem_that integration_and_part control are very complicated.
In contrast_thereto,_according to the movable board 101A of_FIGS. 10B and 10C,_fixing_is carried out by_the snap fit and therefore,_there is an advantage of dispensing_with the_rivet or_the like and facilitating integration and part control.
However, there poses a_problem that play is liable to_be produced between the_play preventive_pieces_121 and 123_and_the stepped_portion 117 and the engaging portion 119_and the_contact portion 115 of the movable_contact 105A is rattled_relative_to a fixed contact and accuracy_of switching ON/OFF is difficult to_achieve sufficiently. In a conventional_refrigerant_circuit_such as shown in FIGS._8 and 9, operation of the_compressor is controlled_by magnetic clutch 17. Activation of magnetic_clutch_17 is controlled by serially connected_main_switch 12 and air conditioner switch_13._Main_switch 12 may also be_the ignition switch of an automobile._In order to protect the compressor from inadvertent damage,_a number of_safety devices are provided including_thermostat_switch_14, low pressure cutout switch 19 and high pressure cutout_switch 15._As shown in_FIG. 8, each of these safety devices is serially connected_with one another between air conditioner switch_13 and magnetic clutch 17. Thermostat switch 14 is disposed on_the air outlet side of an evaporator (not