Document pmqgrKj87mDOgGpmy6gKEerra

FILE NAME: McGraw-Edison (ME) DATE: 1936 Feb 19 DOC#: ME022 DOCUMENT DESCRIPTION: Patent - Timing and timing device [Approved -1939 July 25] July 25, 1939. h . j . m c c r ea r y et al TIMING AND TIMING DEVICE Filed Feb. 19, 1936 2,167,121 4 Sheets-Sheet I July 25, 1939 H. J. McCREARY ET AL TIMING AND TIMING DEVICE Filed Feb. 19, 1936 2,167,121 4 Sheets-Sheet 2 Fig:3 ATTORNEY. July 25, 1939 h .j.mccreary et al TIMING AND TIMING DEVICE Filed Feb. 19, 1936 2,167,121 4 Sheets-Sheet 3 July 25, 1939 h . j . mccreary et al TIMING AND TIMING DEVICE Filed Feb. 19, 1936 2,167,121 4 Sheets-Sheet 4 1NVENTOR5 H arold J.M `C nea/?y by R odney G. R/cn a n d so n A T^ TOR* N-E-Y--.---- Patented July 25, 1939 2,167,121 UNITED STATES PATENT OFFICE 2,167,121 TIMING AND TIMING DEVICE Harold J. MRciCchraeradryso, nL,oCmhbiacardg,o,an11d1.Rodney G. Application February 19, 1936, Serial No. 64,630 31 Claims. (CL 219--19) timTihneg apnredsetinmt inIngvdeenvtiiocens,raenladtetsheinobgjeecnteroaflthtoe bTrhaecepl1a8t.e I9t wisilflubrethseerensetchuartedthbeylomweearnpsarotfoaf iannvdenimtiopnroviseda tnimewinmg edtehvoicde.of timing and a new pthlaatte t9hfeormtims iangparctoitmiopnaratcmroesnst theextbeansdesAd, oawndn 0 sivIenecleamrreynintgisouustedth, ewhinicvhenmtiaoynbae haebait-mreestpaollnic tthhreouspgahceopweintihnign 1thaenbdasinecwluhdiecshtlhieast tpoortthieonleofft 5 Ashteraitpitmi,naegndainnttdheercvosaoalmliniesgismpehereaioasdtuesrd,edoarnbdaytalltlehoaewstecdtohmteobccioonooelld-. oisf mthoeupntleadteo9nipnlaFtieg.93. . The timing mechanism The casing for the timing compartment C is 10 ingThpeerIiondveinstiIonncluIndceldu.des a number of different features, which will be described hereinafter oafn dborxe s ltisk e o n c othnef orromoaf t io 6 no, f obpaesne Aat. tThehebocattsoimng, 10 can be removed by first taking off the adjusting 16 iwtinmithiwnhgriecafhnereathnucetoemintaovteictnhtbieorenaacdicsotomsahpsotaewnryn.inags dursaewdinfgosr, kinngobslo29tt,edthien sliidnee nweixtht tthhee cbormacpkaerttm22e.ntABt tbhee top of the casing there is a series of openings 16 oofpRetneh;feerrcionmg ptloettehetodarastweirngws,itFhigt.h1e isslaicesidceavrriieewr d21is,cfsoramt itnhge acogmrilelr.s aTsheshboawsen AinisFisge.t 1o,narnudbbaeirr can enter under the sides of the base. In the 20 wiFthig.th2e Isslicaetcoaprrvieierwcloofsetdh;e complete toaster, Fig. 3 is a view of the toaster from the same oeasnptdearbalotiisuohtnedthoufroptuhtghehrototuhageshtegtrhriealltcimirci,nugalastcioownmillpoafbrteamirdeenist 20 apnodsitioonneassidine Foifg.th1e, wciatshinthgerselmicoevceadrrtioerecxlpoosesed the timing mechanism and other parts; scrTibheedtomaosrteinfgulclyomlaptaerrtmone.nt2B1 may be of con ventional design. As shown herein it comprises 25 wiMthgt.h4e icsasainngencdutvaiewwa,yforonmthtehelinleef4t ;in Fig. 1, Fig. 5 is a partial side view from the opposite a18b, othtteomlatptelartelap1p0i,ntgwoovseidretshei Isiadneds a1s2,shaonwd nenind 25 Fig. 2 and extending part way over the top. The stiimdeetromthoautntsihnogwnplaInteFicgu.t3,awwiatyh tohne tchaesinligneanSd, so Fig. 4; ' swlihciechcaisrrhieinrgDedintocluthdeesbaonttoLmsphlaapteedim0 aems sbheorw1n4 and which is adapted to close the top and right 30 FFiiggs..67isaanvdie8wsfhroomw tdheetabiolsttoomf tohfethaedjtuosatsatbelre; mounting means for the heat responsive element; hclaenadrlyenind Fofigt.h2e. toAashtainngdlceo1m7pisarptrmoevnidt,edastoshoopwenn and close the slice carrier. On the inner side 35 triFciagl.c9onisneactcioirncsu;itwdhiialegram, showing the elecFigs. 10, 11, and 12 are views of parts of the otof wmheimchbearre14atttahcehreedistwaosshleiceet hmoeldtaelrsbr1a6c.keOtnIlSy 35 one of these can be seen in the side view, Fig. 1, ttiiomni.ng mechanism in different stages of opera The toaster shown in Fig. 1 comprises a base bapuat ritt ownilolpbpeosuitnedseirdsetsooodf hthanatdltehe1y7. are spaced The toasting compartment becomes hot in the ) mA,eanttohaasvtiinngg acocmovpearrtomrecnatsBin,gaCt,imanedr caomhipnagretd slice carrier D. The latter is shown open In Fig. ofrpoemrattihoenbtahseeraenodf atinmdinisg pcroemfepraarbtlmyesnptaacsedshaowwany. 40 It is secured to the base by means of screws 23 1,Trehaedbyastoe Aremceaivyebselimceasdoefobfrsehaedettostebeel,tporaesstseedd. 45 to the shape shown In Fig. 1, also Figs. 2 to , aanndd 2284 aatt tthhee lreifgt,htdihscasndofesnodmaenndonb-ycoscnrdeuwcstin2g5 substance such as Bakelite being interposed to itnhcelubsaivsee. isTchuet auwppayertoflaletasvuerfaanceopoernirnogof7,( seo8ef p26rosveirdveethase bdiensdiriendg sppoasctisngfo. r Tthhee astctraecwhsm2e5nat nodf 45 Fdoigw.n6a, tarnidghat apnogrlteiso,nasofsetehnepmaratitceurilaalrl8y iins Fbiegnst. 3 and 5. The opening 1 is squarely beneath the tchoemsmeruvniicceatcioonrdfraonmd tahfefobrdasae tpoatthhefohreaetliencgtreicleal ments in the toasting compartment. 50 casIningthCe otfimthinegtimcoimngpacrotmmpeanrttmCeannt.d extending exTpohseedInitnerFioigr. o3f. tThehetroeaastriengthrceoemhpeaarttminegnetleis 50 hdeoawvny thprlaotuegh9,thwehiocpheniisngse1cuirnetdo bthye mbaesaensisoaf ss screws to the down turned portion of the base. manedntms oofunctoendveonnteiononal ecaocnhstrsuidcetioanndspoanceedinaptahret center, so that the two slice holders 16 each have 66 8 2 2,107,191 caahrreiaetrinisg celolesmede,nttheoncebnottehr shiedaetsinwgheelnemtheentslbicee ing common to both slice holders. Fig. 3 shows ilninkthe48bowtitlolmbeofonslodtea4d7, caesnsteere,nainnd Ftiog. re5,adtihley secure this adjustment the bracket has slots for 5 tthhhaeelfoloenffettnhheeaanrcedesnthtetahrlefhoeoabftsientrhgveeer,lheeamantedinnttgh2e8e,rleitgmhheetnnhteaa2nr7d, theItawttailcl hbiengunscdreerwstsooads snhoowwnthiantFiifg.th4.e end of e locking arm 40 is pressed down against the ten etost ohbesactuinreg ethleemtehnrtobweinogutbrcoakmen2a7w. ayTshoeatshnreoet heating elements are connected in series across sdieoandocfesnpterirnagn4d6tthheelloicnkkin4g8 awrmill wnoilllobnegreerlebaeseodn. The locking arm moves suddenly to the left, XO ttehrembininadlsingarpeosptrso2v5idaenddin26.thSeuibtaobttloemauoxfiliathrye toasting compartment for accomplishing this, as F48igt.u5r,nitnogthoen iptosspitiivoont s5h0oawnnd itnheFisgh.o1u2l,dethresclrienwk io 49 traveling along the slot 47. In Fig. 3 the iwnedlilckantoewd ninit Fisign.ot3,shbouwtnaisn tdheetaialr.rangement is The slice carrier stays in closed position by mloceknitnogf athrme l4o0ckminogveasrmtoisthoef croiguhrst.e dTuehetomroovtae tion of lever 36 by the tensioned spring 39. The 15 grarnavgietdy,tothbaet aius,tobmyatiitcsalolwy nthrwoewignhtt,o aonpdenispoasri tion under control of the timing mechanism, as uroptwatairodnaonfdleavnerim36pumlsoeviess gthiveenthtroowtheoustlicceamca3r7 15 rier sufficient to throw it to open position. 2o iwospilpelnrboepvoiddseeistdicoranibceaudnr.dvetTdooasftroamcpil3iit0tawatenitdhthoseuptrmisnhogovce3km1,.etnhTtehrtoee l3o7wIafenrtdhseiwdesillliocrfeostclaiactreerithehorelidsleernvoe1wr63w6clioltloseedtnhgbeaygpeohstaihnteidonctahimen 20 tahrme s3li0ceishaotltdaecrhewdhtiochthise bberahcinkdetth15e, oinnelinseeewnitihn Fig. 3, and passes down thru slots in bottom 10 wrohtaicthes itonapitpseaprisvoitnthFeigl.oc3k.ingAsartmhe 40levmerov3e6s to the left. As this movement takes place the 25 abnasde rAooaft t6h.e Tprhoepesrprpionignt3s1o itshaatttiatcwheildl hteolpthtoe move the slice carrier to open position at the sshlootul4d7eransdcretwhe4l9i,nkFi4g8. 1a2s,sutmraevseltshedopwonsitiinonthine 25 which it is shown in Fig. 5. The length of the bmeogvinemnienngt otofwthaerdmthoeveemndentthearnedofw. ilTl hoeprpeoisse atlhseo SO provided a buffer spring 32 which is engaged by ltohcekisnligcearcmarr4i0ershisoufludllbye caldosjuedstetdhesolitnhkat48whweilnl drop freely to dead center position, but there 30 tohpeTenheenpdmosoeiftcihoaarnmn. is3m0 faosrtthheroswlicinegcaorurtietrheresalcicheescaitrs sschroTeuuwlrdn4i9bneganvnedorwythletiotteladegcepolnaosyfidtbheeretawtsieoloentn.otfhetheshtoiumldinegr 38 rainedr wseicllurneodwtobethdeesrcoroibfe6d.byInsscirdeewsthtehebreaseis Aa bracket 33, having downwardly extending ears 34 miseacbhai-nmisemta,l tshtreipm52a.inAhsesahtowrensphoenrseiivne, seeleemFiegnst. 35 4, 3, and 5, this bi-metal strip is about an inch al3envadenr3d356.,.thBeTetoswhetahepnee tlohefvewseerhi3ec6ahrstchatehnreebreeissiesaetpntaivicnohteMeddgsaa. wouidteitasnlden4gyt2hi,necxhceespltonfog.r aItpiosrbtiiosnecatetdththerouupgpher end where it is secured to its support, in order 40 tlhevroerwboy6utacasmtrip37owf hmicahtemriaayl b3e8 awtthaicchhedistonothne conductive of heat. The roof and bottom 10 tOonpeearmchitsiidtetoofbethned smtroirpe 5r2eatdhielyrewihsean shteriaptedof. 40 mica 53 of somewhat greater width. These mica aTrheesllootwteedr tsouprfearcmeitotfhethsetrisplic3e86thoopldaessr th16roruegshts. 48 on the throw out cam 37 when the slice carrier Tsthriepslastetervrectoonsiinsstsulaotfe stphaecehdeattuinrngs woifndsiunigtab6l4e. resistance wire and is wound tightly to securely 48 is Tinheclolesevderp3o6sitiisonu.rged to turn on its pivot by a coil spring , which extends between the lever hthoeldetdhgeesmoicfathsetrisptsriipns palnacde.thTe hseepwairraeteindtuernntss are thus kept separated. One end of the winding 80 abnydthberalcokcektin33g93,arbmut 4i0s. prTehviesntaerdmfriosmpivdootiendg osno the lever 36 by means of a shoulder screw 41 and itshetertmerimnainteadl 5a7t.spring 55 and the other end at 80 The lower end of bi-metal strip 52 is secured to iasdjiunsttewdo. paTrhtse stowothaptarittss laernegthhelcdantobgeetehxearctblyy screws 42. The locking arm 40 extends to the aScrmewem5b8earls6o0sebryvesmteoanasttaocfh stcerremwisna5l867a,nwdhi5c9h. is suitably insulated. The member 60 is pro 88 lienftthien pFligat.e29anadndpainsstoestthherotiumgihnga scloomt p43a,rtFmige.n4t., It is held against the upper edge of the slot 43 by vfoidrmededwoitfhoanrempsie6c1e, o6f2,maentadl, 6w3,ithan6d2 mbeanyt baes 66 shown clearly in Fig. 6. The purpose of arms 61, meRaenfserorfinagspnoriwngp4a5rt.icularly to Fig. 5, it will be 80 seen that there is a bracket 46 mounted on plate 62,Tahnedbi6-3mweitlallbsetrfiupll5y2eixspmlaoinuendteldatoenr aonn.adjust able support the shape of which can be seen 80 9arimn th4e0 ttihmeirneg icsompipvaorttemdenat,loacnkdinogn tlhineklo4c8kinbgy means of. a shoulder screw 50. The link 48 lies cvlieewarslyFeingos.ug7h ainndFig8s.. 4Tahnids 5s,upalpsoortinmthaey dbeetaial stamping pressed to the required shape and com 66 baentdweaetnththeeenadrmop4p0osaintedtbhreacpkiveot t4650, steheerFeigi.s 6a, shoulder screw 49 which lies in the slot 47 in panridses66aacnrdostswmo eemndbemr e6m4,btewrso 6s7ideanmdem68b,earlsl 6in5 66 one piece. The bi-metal strip lies against the b48racaknedt 4it6s. sThohuisldsecrreiws 4a9diaspttherdeatdoedsliidnethreealdiinlky in slot 47. The locking arm 40 is urged to the mcreoassnsmoefmabepr l6a4tea6n9d aisndfirtmwloy scclraemwps.ed Btoetwitebeny the plate 69 and the bi-metal strip there are 70 briyghspt riinngFi3g9s,.b3uat nads r6e,aadnildy tsoeetnhefrloemft tihneFliagt.te5r, figure it is locked by the locking link 48 due to wclhamicphefdunactniounmbaesrcoooflitnhginfisntsr.ipsThorfeecoopfpetrhe7s7e, 70 strips are shown, see side views Figs. 3 and 5, eendggeagoefmselnott o4f7.theThsheoburldacekr estcr4e6wis49prweiftehratbhlye 76 adjusted so that when the shoulder screw 49 lies buTthmeosruepmpoaryt fboer pthroevibdie-dm.etal strip is mounted between the two brackets 74 and 76, which are 75 s.i67.iai 3 fthasroteungehd tthoe tehnedspl6a1tea6n.d A SB poifvotht erosdup1p6orptasasneds through the brackets. The plate 9 has a bent t5h5easendbi5n6d.inTghpeossetsspinrinsgersi,essuwitaitbhlycoinnstauclattsepdr,inagres secured to the plate 9 as shown in Kg. 3. To the 5 Ionvgeraplaoortse19b,eawrhinicghfohrasthae hroodle,IIt.herTehine ppraorvtid19has two ears 99 and SI, and there is a cross rod 19 slipterinogr 5o6thtehreriensiuslsaeticnugredmaatemrieaml.beAr 9b1,raocfkBetak9e8, 5 secured to plate 9, serves to support a dog 99, / eaxntdentdhiengtwaocroesasrsth9e0 saunpdpo9r1t. arBeettweneesinonthedis trwodo springs 92 and 91, which tend to rotate the sup- patitvaocthededata 1m00e.mbOenr 9th2ebylocmkienagnsaromf a40scthreewre 9i3s and the shoulder screw 50. The shape of this 10 pbyortthoenththreeapdievdotadrojudstIiSn.g rnoodta1ti1oanndis apsrseovceinatteedd m6.emItbeisr 9p2rocvaindebde uwnidthersatnooadrmfrom94Ffiogrs. t3ri,p4p, ianngd 10 ponaertso.f wOhnicthhisberaords aargeailnosctkthneutsha1l2f, ctyhleindurpipcearl bar 13, which in turn bears against the part 19. tthheeWdmhoeegnm9bt9heear n9bd1i.-amnetaarlmst9r6ipfoisr co-operation heated, the with parts 15 Tthhreoulgohwethr eencrdososfbtahre10th. reTahdiesdbraord19IIhapsastsweos Kbegin. g3,initsthloewperoseintidoncainrrywinhgichmetmhebyera6p0pebaerndins 15 bheaalfr raoguanindstprtohjeecetinodnss,91onaendon98eaocfhtheends,uwpphoicrth, tmoetmhbeerrig91htaannddsaerpmara6t1esesvpernitnugal5ly6 efrnogmagespsrtihnge 2o tthoerseeceeinvdesthbeeinpgropjeroctvioidnesd. wTihthe rrooudnd1e1disntoutrcnheeds by means of a knob 20. When the knob is turned A55s, tbhreeamkeinmgbethr e91cmircouviets otof tthhee rhigeahttinthgecdooilg5949. go rotates on its pivot until stopped by the hook on croowunt"eLrciglohctk"wiinseK, ogr. 2in, tthhee bdairre1c0tioins boafctkheed aorff ttihoeneinndwohfic9h1. thTehyeaprearsthsotwhnusinasKsugm. e10t.heWpohsein 25 pttheinvesoittohrnroedaind1e8tdhinerotbdhie-1m1deiarteancldtisortonritpawt,ehsoicrthhiiennccsrrueepaapsseoesrsttthhonee tbhreokebni-mit eretatul rsntsritpowcaorodlsnoorfmf aalftpeorsiittisoncairncduiatrmis 25 61 leaves member 91, but the latter remains pofresesnugraegwesiththwehaicrhmm0e9mboefrl9e0veorn 8t0h,eseenedKthge.re5. When the knob is turned in the opposite direc- ltohcekeenddbyofdiotgs 9re9,tuhronldminogvtehmeecnitrcmueimt obpeern6.9 Ntreipasr the locking arm 40 by means of lever 95, as pre 30 atinodn ptheermbiatsr 1t0herusnusppuoprtontothroetathtereaodneditsropdivIoIt rod 16 so as to decrease the tension in the bi vthioeursilgyhet.xKplgasin. e3da.ndTh10e, cloacrrkiiensgmaermmbemro9v2inaglontgo 30 and arm 94 trips the dog 99. However, the arm minsettaanl csetriips.caTusheed rboytastpiorinngosf 8t2heansdup8p3o. rtTihnetahris35 rangement described affords means for securing a m96emhbaesr a9ls1o tomohvoeldd ttohethseprriingght56anadwaeyngfargoemd spring 55. The circuit of winding 54 is not closed, 3t vmeertyalfinsetriapd, juwsittmhoeuntt oafnytheplapyosiotironloostf tmheotiboin whatever. Tthheirseofopreer,atuionntilmtohveessllioccekicnagrraiermr i4s8calonsdedmeamgabienr. 92 to the left. Kg. 3. The arm 94 now leaves 40 triTpshethme elaoncskinbgy awrhmich40thIenclbuid-mesetaal leevleemr e8n5t, which is pivoted on the bracket 48. In the nor tphoesidtioogn,99Kagn.d10p,erbmutitbseiftotroeriottagteetstovwerayrdflaorckitinigs 40 caught by member 91 which has already been magaali npsotsitthioen aorfmt h e s 86 twrihpict h h e t emndems bteor r6o0 t aptreestshees levwerh8ic5h. eHngoawgeevsetrh, eroetdagtieonofibsrparcekveetn4t6edanbdy tahrums rreelaecahseedd dbeyadarcment9e6r. atThtheisdotigme99itnoist rhoatvatinedg back by spring 56 to which member 91 is at 45 b8d8eerte6rm0,ionresthteheenlidmoitf sotfrimp o5v2e,mtoentht eofrigthhet. mTehmis refers to the parts as they appear in Kg. 5. ctalocsheetdheancdircsupirtinogf w56inadginagin54e.ngages spring 55 to 95 In addition to the main timing mechanism 50 Acutretdhea esnpdrinogf t9h0e, clloacmkpinegd aurnmder40a tmheermebiesr s9e1-. When the bi-metal strip is heated it bends so jinugstmdeescchraibneisdm, thfeorrepirsogprreosvsiidveedlyanshaourxteilniianrgy tsiumc cessive timing intervals as determined by the 95 tthheatmtehme bmere6m0breerac6h0ems tohveeslimtoitthoef itlsefmt. ovBeemfoenret to the left the arm 62 on member 60 engages the manaiisnmtiwmililnngowmebcehdaensiscmrib. edT, hwisithaupxairltiiacruylamr ercehf erence to Kgs. 4, 5, and 6. 65 aasonrmdtha8al6ltoawnthsdetrhoaetramstpers8in1legvcetloera8sr5snoatnphieotsveepnridvaogotaffiansrpstreinmnogeumg9h0 a Apivboratecdkeltev1e9r5 i1s96s.ecuTrehdetoenpdlatoef 9thainsdlecvaerrrieiss slotted at 113, as seen in Kg. , and a part of baetrth91e. inKsgta.n1t1tshheowmsetmhbeepro6si0tiohnasofmtohveedpafratsr so enough to the left to release the spring 90. As the aisrmalso63m, Kougn.t4ed, eoxntepnldasteth9raoubgrahc6ktheits1s1l0o,t.to Twhheicrhe is secured a flat spring 101. This spring 101 car- g btiio-nmeintalwehliecmheinttiscosohloswonff iint rKegtusr.n5s atondth1e2.poOsin the return movement member 60 of course en rsloesthaawtedthgee swhaepdegde m10e8mbiserp1r0e8ssaendd aisgtaeinnssitonthede rounded end of lever 106. When the bi-metal 65 agramges81arpmre8s6seasnadgraointasttetshteheenledvoerf 8s5p,riwnhger9e0uapnodn moves the end of locking arm 40 downward to sthtreipa5rm2 is63heraotteadteasndthebelnedvseras10a6roesnulittsthpeirveootf, os About half way in the movement of arm 63 the relReaesfeerirti.ng now particularly to Kgs. 3 and 10, w11e4dogen t1h0e6rboeugnidnesd, toenrdidoef luepveorn10t8heancdamthessuprfraincge 70 tchueltaorrfanthgeembie-nmt eftoarl csotrnitprol5l2ingwitlhl ebeheeaxtipnlaginceidr-. The circuit is shown dlagrammatlcally in Kg. 9. b10i-1mbeetaglinsstrtiop 5o2ff.erTrheissisrteasnicsetantocethceeasbeesndasinsgooonf 70 as the wedge 108 rides up on top of the cam Atos sbtiantdeidngprepvoisotussl2y5thaensder2v6ic,eaccorordssiswcohincnhecaterde s5u6rfaancde,5w5haicreh soecpcaurrastesdh.ortOlynbtehfeorreettuhrenspmroinvges 75 bprairdtgmeedntth.e Thehaetiwnginedlienmg e5n4tsisinaltshoebtroiadsgteidngaccoromss- m52e,ntht eofwaerdmge6130,8dculeeatorsctohoelicnagmofsubrif-amceeta1l14stbreip- 75 4 0,167,191 tfooreextheret mpreemssbuerre<0ageanignasgt eist.arm 95 and begins The foregoing arrangement causes the bi stetrnispio5n2bbeecgoimnsestostrsotonrge eunpoutegnhsitoon.oveWrchaemnetthhies tension of spring 46, the lever 06 is rotated, arm 0 mwheitlaelisttirsipbetnodpinegrforersmpoanscievretatoinbaemingouhnetaotefdwaonrdk makes the heating time, and consequently the t9h7romugohvesthethemeedniudmooff lospcrkiinngg 9a0r,mand40asdothwins 5 moves the locking link 49 off dead center, the \ cTohoelinagmtoiumnet, olofnwgeorrkthdaonneitcwanoublde orethgeurlwatiesed bbey. adjusting the tension of spring 107 to the proper lloeacskeinogfatrhme 4lo0ciksinregleaarsmed.40A, sthaerleesvuelrt o10f tihne trhee base of the toaster turns rapidly on its pivot un 10 sviavleuley. dTechriesasveadlubeyisthaembai-xmimetuaml satnridp is10p9roagsrtehse toasting compartment becomes heated. The cdaemr th37e epjoewctesr thofe ssplirciengca3r9riearn.d the throw out in The movement of the lever 36 in the ejecting isstraiptta1c0h9edisdsiurepcptolyrtetod tohne tehned b1r9acokfetthe22t,oawshtiincgh 10 compartment and receives heat therefrom. otupdelrnaatilonmoisveomf ecnoturosfethacecolomcpkainngiedarbmy 4a0,lowngitlhresults previously explained. The link 40 as- * Tbrhaecrkeetis22antooppeanssintghr1o1u2gchutit.in Apslatthee9sttoripall1o0w9 becomes heated it bends to the left, Fig. 4,- and s1u2m. esThtheeaprmosi9ti4onenignagwehsicthheittaiisl sohfodwong i9n9Faingd. 1 trips it, but member 97 is caught and held by 00 bI0eTg.insThtoe befefaerctaogfaisntrsitpth1e09btuhtetroenfoIrIeSisontosgprraindg ually relieve the tension in spring 107. Suitable sahrmoul9d6bbeefpoorientceodnotaucttsals5o5 tahnadt s5h9ocratlny calfotseer. thIet longitudinal movement of locking arm 40 begins aadnjdussttirnigp m1e0a9.ns Amsayshboewpnrohveidreeidnfothrespbrirnagckfe0t7s which support these elements are movable to dif- t0h7e, wsphriicnhgp9e0rmsliidtsesthoeffstphreinogp4e5rattoingraifsaecethoef aarrmm 40 again and diming the major portion of its lon *0 ferTehnet bproascitkioent s1.12 and bi-metal strip 109 may be covered with some kind of heat insulating mate egditguedoinfasllomt 4o3v.emItenwtililtberidoebsseravgeadintshtatththeeuppopseir 25 tive disengagement of spring 90 is insured by rfriaolmsubcehingasdaisssbiepsattoesd inin otrhdeer titmo inprgevceonmt phaerat-t *0 ment. This covering is omitted in the drawings imneomnblyeron91e, dwirheiccthiopne.rmits the spring 90 to bend The first toasting operation has now been com- 80 forThthee ospaekreatoiofncloafrittyh.e toaster will now be ex plained, with special reference to the function fpileedtebdy. thTeheejeocpteiornatoorf tisheofsliccoeucrsaerriaemr,palyndnowtiill remove the two slices of toast, replace them with 95 iinngnoofrmthael tciomnidnigtiomnecahsasnhisomw.n iTnheFitgo.a2s,tetrhebeoinpg erator opens the slice carrier D by means of stwlicoe cmaorrreiers.licWesheonf tbhreeasdli,ceancadrraiegraiins cclolosseed tthhee 35 cam 37 is forced down and the lever 36 is ro hslaicnedleca1r7riearndisintsheertns tcwloosesdliceasndof tbhreeadc.ordThies plugged into a convenient receptacle. This starts tLaotcekdinognairtms p4iv0oat,lssotomrionvgestetnosiolonckiinngspproinsigtio3n9,. where locking link 48 drops in place and holds it. 40 theCutorarestnitngfloowpeirnatihoena.ting coil 54 now heats up the bi-metal strip 52, which soon loses its ten Iist swtiillll ibne thoebseprovseitdiotnhaint awlhthicohugiht rtehleeasaerdm th6e7 40 locking arm 40, the latter nevertheless becomes sinionFiagg.ai3n,stthaer,mlo9w6earndenbdegcinasrrtyoinbgenmd.emAbsersee6n0 40 moves to the right. The lever (06, Figs. 4 and 6, ltohcekesdprionng r9e0clohsausresliopfpethdeofsflictheecaorpreierar,tinbgecafaucsee of arm 87 and lies in the notch which is cut in Aisftoerf mcoouvrisneg soopmereatdeidstaanscep, rtehveioaursmly 6e2xepnlagiangeeds. arm 96 and moves the lever 95 on its pivot, with tphoissitiaornm.theWshperningthe90arbmend4s0 amwoavyesfrtoomlomckeimng 45 ber 91 and assumes the position in which it is 50 ttihoenriensuwlthtihchatitsparpipnegar9s0 iins rFeilgesa.se1d0 taondth1e1.posAi-t about the same time arm 61 engages member 97 slohcokwinnginarFmigs4.03toanldoc5k.ingThpeosmitioovnemalesnot coafutshees 50 arm 96 to release member 97 and spring as ainngd tmheovceisrcsupirtinogf 5h6eaatwinagy fcrooiml 5s4p. riTnghe55b,ib-mreeatkal strip 52 continues to bend for a brief interval pgraegveiosupsrlyingexp65laiannedd, aagllaoiwnincglotsheethlaettceirrctuo6i6tenof heating coil 54. Thus the second toasting op 55 faafrteernothueghcuafrtreerntcoisntsahcutst 5o6ffa,nadnd55aarmre s6e1pamraotveeds to insure a reliable locking of member 97 on dog eraIttiownillanbde cthoenvteinmieinngt ttohepraeuosfeahreerestaarnteddp. oint 55 out certain characteristics of the bi-metal ele s9h9o, wwnhiicnhFiisg.n1o0w. in the position in which it is 0 The bi-metal strip 52 now begins to cool off, mis emnatd5e2.useSionfceinththeecotiomliinnggtoimpeeraotfiothnisanedlemsinecnet timing operations have to be performed in quick atonwdatrhde ietnsdotrhigeirneaolf pcoarsriytiionng. mTehmebeorp6e0rartieotunrnosf lever 106 on the return movement does not ap stoucacvesosiidonr,aiistinisg dtehseiratebmlepaenradtuirne fianctthneecteimssianrgy 00 compartment to any great extent. To this end 65 phraencdia, bthlyeroeppisosneo tnheits gmaionv,ebmeecnatu.seOanlthtohueghoththeer movement is somewhat accelerated while the wFthoielrl hbinei-samttauneptcaelv,eeirtlyemqreueqincuktirleyiss, casoobmocpuoatnraostntirveuecmltyeidnspuettheakaaitnngIdt. 06 wtheedrgeeis10a9 ciosmripdeinnsgatdinogwnpatuhsee coarmslosuwrifnagceup11o4f, the movement after the acceleration ceases and fTohrety tsimeceondvsarfioesr asnomavewerhaagte dtoeapsetnindginogpeornatiothne. toasting compartment used, but the time given 70 bweofrodrse, ththeemweomrkberpe6r0foernmgeadgesbyarsmtri8p6.62Induortihnegr its movement responsive to heating is not ef aabboovuet itsena sfeaciorndesx,ammpolree. orOfletshs,isdetopteanldipnegrioodn,. 70 considerations to be explained, are consumed in 75 mfeocWtvievhmeelnyenmrteettmuhrebnemerdo6v0toeemintge. nagt esstoaprsma0n6dotnhethbei-rmeteutranl mhtheaeaitnhidseeabrteioinnfggthioneftrpotehdreuiocdbeidi-smintehttoealtchoseotrtliiinpmgiantnigmdceo.tmheTpahrruets- 75 8 ,107,181 5 manedntthfeorpoanrtlsy haavveeraymsmplaellopppaortrtoufnitthye ttootcaolotlimoffe. The cooling Is facilitated by the cooling fins 11 ttourpnreodduicnetthhee ddierseicrteidonre"suLlitg.htW" htheen sthueppkonrotbfoisr the bi-metal strip 52 is rotated in a clock-wise 5 tainmdinbgycotmhepacritrmcuenlatt.ioInt iosffoauinrdutphatthtrhoeugdhesitrhede quick heating can be secured by using a wide mdireetacltiosntriopn apgiaviontsrtoadrm76,8t6he(wtehnesniocnooolf)thise ibni- 5 creased, and the time interval measured is asenndticnogmapsalraartgiveealysuthrfiancebia-smpeotasslibstlreipto, tthhueshperaet dtieocnrea"sDeda.rk"W, htehnethoepkpnosoibteisetuffrencetdiisn tphreodduicreecd. 10 iunsgingcoail.wiTdehestrniepcersastahreyr stthifafnneassthiisckseacnudrednabry row one, and the wide strip is bisected to avoid Tinhcerseeasreedsutletsnsaioren epxlpalcaeindedonbythtehebfia-mctettahlatsttrhipe io has the effect of translating or moving the oper troCuobnletifnruoimngtrnaonwsvweristhe cthuervsaetcuorneddtuorainstginhgeaotpinegr. ation, the heating period of the bi-metal strip will bahytiignthhgetetemfmuprptehereraartutufrarecertratanhngagetetwhhheigebnhie-ormpueeprtaatlthisnetgrsicwpaiiltsehaianbnldae 10 tboeassetivnegralopseecroantidosn,shboerctaeurstehatnheint witaswinasthheeafitresdt tinogdiwssiitphainteaheloawt mteumchpefarasttuerrethraanngwehaenndotpheerraet- 15 ftoroamstinrgoomopteermatpioenr,atuarsesuwmhienrgeasitintatkhees sepcloancde promptly, it is being heated from a temperature forWe hcioleolsceorftfaminorsepercaipfiicdlyfo. rms of construction have been shown herein for convenience in dear 2o ompuecrhatihnigghrearn.geT, hthaet itse,mtpheeraltouwreeraltimwiht icohf tthhee bi-metal strip trips the locking arm 40, is con lwyilel xbpelaiunnindgersthtoeodpritnhcaipt lemsoodfiftichaetioInnvsenmtiaoyn,biet 20 made and that the invention has other uses than sreidseurlatsblyin atbhoevesercooonmd ttoeamsptienrgatuorpee.ratiTohnisbefiancgt terminated slightly sooner than the first one was, tdhoenuostewaissha ttoimbeerlifmoriteadn tahuetroemfoarteictototahsetesrp.ecWifice use and construction shown and described, but 25 tinhgat dise,vtichee sisecosonmd einwtehravtaslhmoertaesrurtehdabny tthhee tfiimrst dLeestitreerstoPaitnecnlut dfeoranadll sfeocrmurse athned pmroodteifcitcioatnionosf 25 icnotmerpvaarlt.mTenhtisisishaosttietrshanoudldlesbse,tifmoretihserteoqausitriendg. On the third toasting operation the bi-metal tohfethaeppiennvdeendtiocnlaitmhsa.t come within the scope of What we claim is: 30, stetrmippebreagtiunrsetothhaetaittfhroamd aaptptrhoexibmegatienlnyintgheosfatmhee on1e. eInnd aantdimhearv, inagbtih-me eottahlelirc esntdripf,reseectourmedovaet, 30 soercoatntdemopptesrattoiomn eaansudrec,otnhseeqsuaemntelytimit emIenatseurvreasl., As a matter of fact by this time the support for tmhreoaungshfoarpmreodveitnegrmainneddrdeitsutrannicnegbysahideaftrineeg aenndd cooling the strip, and adjusting means for shift- 35 tahlseobmi-emmebtearl 6s0t,riwphhicahs inbteeernfewreasrmweitdh uthpe acoloitltilneg, irnagngueptoanwdhdicohwtnhebomthovliemmietsntoafntdheretteumrnpeorfatsuaride 35 isnlitgehrvtlayl.anTdhtiesndresstuoltsoismseuwbhsatatnletinaglltyheanvothideedtimbye the provision of the cooling fins 17, which pre mstra2ii.pnItnaisianertdeimspceoornn, ssaitvaheneta.wt hreilsepotnhseivesaeildemdeinstt,amnceeaniss 40 vceepnttibtlhyewsaurpmp.ortCofroolminggfeinttsincgoumldoraelstohabne ppreor fsoamr ehetoatminegassuarieda etilmemeeInntteravnadl, mfoerancsoofloinrgcatuhse 40 vthideermd oorne,moemn btehre60thbiurdt atroeanstoitngnecoepsesraartyio. nFtuhre bi-metal strip 109 begins to have a decided effect. iinngg spaeirdioedle, manedntmtoeapnesrffoormr vwaroyrikngduthriengatmhoeuhnetaotf work performed to vary the amount of heat de- 45 Tdehsiisgneeledmseontthaantdthtehehemaotiunngtionfgththeereeleomf emnatywbilel liv3e.reIdn daurtiimngert,hae hbei-amtientgallpicerisotdri.p, means for 45 bseecodnedlatyimede,dainntdertvhael wdiellsitrheedresfohroertdeenpinegndomf atihnely on the shorter heating time of element 52, as smcaaeisdainsgustrsriiunpgr,roacuotniomdliiennggInfstieanrisdvasslterbciyupr,heaednadttionsgusiaataindbdlesctoroiopple,innga- gg 50 etoxapsltaiinngedoapbeoravtei.onHhoawsevsetar,rtbeyd,thtehetimeleemtheentthi1r0d9 lpnagsst isnaisdaifdincsastiongcofoolr tghievinsgamries.e to a draft of air powfailrlctiohauallrvyseerbereleicedovumecdeesthhetehaetteednhsesiaootmnineignwthsipamtrieanngodf1w0s7ti.lrliphTah6vi2es, of4t.wIonpcoosmitiboinnsa,timone,aansmfeomr bloecrkminogvasbaliedtmo eemithbeerr in one position, said locking means including a 55 atinmdestioncceooilt. reTcheeivtehsirldestsohasetaint gitoptaekreastioansihsotrhtuesr lpoicvkoitnegd mmeemanbseriswihniclhociskionngdpeoasditcioenn,tearnwdhmeneathnes 55 Co tsiemcToehnded.tboi-mteertmalinsattreip somewhat sooner 109 continues to than affect the the istnhaciedlusmdaiidenmglobacekrhinoegfaftmdreeeaasdnposc.nesnivteer ealnemd ethnetrfeobrymreolveainsge 60 teivmeinntguaflolyr rseeavcehraels mitsorme atxoiamstuinmg toepmepraetriaotnusr,e,buatt which time the tension in spring 107 will be sub a 5sl.icIen caabrrrieeardhtionagsetder,realattoiavsetitnog scaoidmpcaormtmpeanrtt, ment and freely movable on its hinge from a posi 55 sthtaenrticahllayngoer einntitrheelyticmoiunngtewr-iallctoecdcuarn.d Bnoy ftuhristime the toasting compartment will also have stiaoidn ocuotmsipdaerstmaiedncto, ma psaprrtimngenotpteoraatepdoseitjieocntoinrsaidse- 65 sociated with said compartment and set by move rineacthheedtiimtsimngaxiismnuemcetsesmarpye.rature and no change The timing interval can be adjusted at will by lmoceknitngofsasiadidejceacrtroirerininsteot pthoesitsiaomn,e,samideacnasrrifeorr being movable out of the compartment while the 70 btuarsnicintgimteheinktenrovbal2w0.hicThhiiss mopeearsautiroend bayltethrse tbhie metal strip 52. The notations "Light" and ceaojnemdctpomarretiamsnlesonctckoebndytrbotuhllteendaocbrtmiyoanslalyoidfregtmirmaaveiinrtyint,ogairnteilmesaaesirde, 70 "oDn athrke"caacscinogmopfanthieedtibmyinagrrocwoms pmaartymbeentstsaomtpheadt Y the operator can tell which way to turn the knob cmsaaeirdnrite.erjectotorexapnedl tthheeresbaymgeivferoamn imsapidulsceomtopsaaritd 5 75 6 2,167,131 co6m.pIrnisincgomabisnoautriocen, ofhehaetattraenadtinag caaprrpiaerratfuosr an article to be treated, a heat responsive ele asetbib-my emtaolvliecmsetnritpo, fmseaaidnscaforrriehre,altoincgkinsgaidmesatrnisp, and allowing it to cool, whereby movement is 5 cmueitntf,oarnsaeidlehcteraictealr hreenadteerrefdoerfsfaeicdtiveelecmoennctu, rarecnirt- ly with the movement of. said carrier to opera iimncpluadrtiendg tao ponaerteonpdptohseinregofa,nadndprreevleeanstiinngg mmeoavnes- g ment of the end of said strip on cooling until tmiveempboesritioopneraadtejadcerenstpsoanisdivheeatot shoeuartcien,gaosfwsiatcidh element to render said circuit ineffective, means eoinnpgoeurmagtheeasnpaosi.dwerer lehaassinbgemeneasntos rteodreinleassaeidsasidtrilopckto 10 mfoernltoccokoinlsg, msaeiadnsswfoitrchmomveinmgbsearidwhcialreritehreawelaey rie1r2,.eIjnecctionmgbmineaatniosn,seat mreascphoinnsei,vae tmoomvaobvleemceanr-t io sfraoidm esleamidenhte,aat nsdoumrceeanrsesoppoenrsaivteed toconcocoulrirnegntolyf with movement of said carrier for releasing said ommfaecasahniisdnefc,oarrlroifcelekrxiniinnggtomaonepadenrsau,tnivfaieexrbienil-gamtietohtnaellwiscittrhisptsraibpidy, 15 sloacidkisnwgitmcheamnesmabnedr rfeosrpopnresviveenttiongsucmhorveelemaesne.t of 7. In a heat treating apparatus, the combina hmeeaatninsgfoarnsdaidcolooclkiningg tmheeansasmoep,eraatnedd bryelepaoswinegr jg developed in said strip on cooling and arranged tairotniclewittohbae threeaatteds,ouorfcae tiamnderacocmaprrriiesirngfoar baino metallic strip for determining periods of opera tpoowoeprpoissedeuvneflolepxeidngtheorfetihnetostorpiperautnetiilt. sufficient 13. The combination, with an apparatus gg 2 tbiyvehreealtaitniognabnedtwceoeonlinsagi,dacnarerlieecrtraincdalhheeaattseorurfcoer iandgapmteedchtaonipsemrfofromr aaugtoivmeantiocpaellryatisotonp,poifnga stuimch msaeidmbsetrripo,pearatceidrcubiyt mfoorvesmaiednthoefatseari,d astrsiwpirtcehsponslve to heating thereof for stopping cur mopeecrhaatinoinsmaftceormapripsirnegdetaermreinsieldienitntebriv-male, taslaliidc strip, means supporting said strip at one end, 25 20 mreenmt bfleorwcionntsinaiudincgircreusitp,onthseiveopteorattihoen foufrtshaeidr mmeeanntsofforthperofdrueceinegndforbwyarhdeaatnindgreatnudrncmooolvineg minovsaeimd ecnitrcouf ist ahidasstcriepasaefdtearntdh ereftloawinionfg cmureraennst 30 for said switch member effective only after the trheleatisotrnipt,o mtheeansstarftoinrgtiomfisnagidthoeperhaetaiotinn,gmweainths for stopping the return movement of the free so mopienreadtioenxtethnetraeoftferhathsecocnutrirneunetdflfoowr ianpsraeiddetceirr cuit has ceased. uentidliztiongsttohree pteonwseiornofinthtehetenstsriiopn,eadndstrmipeatonsstfoopr said operation. 35 of8i.nsIunlaattiiomnears,saembib-mleedtaolnliec osntriepa,cthwositdheinofstsraipids bi-metallic strip, a heating coil wound around sili1e4n.tTbhie-mceotmalbliicnasttiroinp,, wa ihtheaatimngacdheivniec,e,ofmaearnes ss for storing energy in said strip .by producing a sthtreipcommapylebtee haessaetmedblbyy, wcohnedreubcytiosnaitdhrboi-umghetaslaliidc strips of insulation, said strips of insulation, how- odfefhoermatatfiroonmthseariedofdeuvnicdee,rmtheeantsemfoprorcaorynvaecrttiinogn the stored energy into mechanical power by op 40 esvtreirp, tbeyndriandgiaptpiopnre, vaenndt coonoeliongr omfosraeidcboio-lminegtaflilnics conductively secured to said bi-metallic strip at pnoosrimngal tshteatetenodnenccoyolionfg,thaendstmripeatnos rfeosrumapepliyts 40 ing such power to control said machine. oconnedeuncdtintghemreaotfe,risaalidanfdinhoarvifnignsableairngge osfurgfoaocde exposed to the air, whereby that portion of the sup15p.oIrtn tao twimhiecrh, asariedsisliterinpt ibsi-matteataclhleicd satrtipo,nae end, means for moving the free end of the strip 45 bofi-minestuallalitcionstriispcwoohliecdh bisy ccoovnedreudctiboyn saaliodngstrtihpes bmaecaknsanfdorfostrothppbiynghethaetinmgoavnedmecnotoliinngotnheedsitrreicp, 45 sattrt9ai-pc Ihnteodwa. a t rd oa th ste e r, e a nd whe base, a re to said astin fln g co or fins mpartm a e re nt taidoanptbeyd stotobpepionpgertahteedhbeyatitnhge,satripcofnotrrosltodpepviincge the movement in the other direction, whereby 50 aonndsaaitdimbiansge,coamtpimaretmr ecnotmspurpispionrgteda sbidi-embeytaslildice strip mounted vertically in said timing compart fthuerthsetrripcoaonlidngoopfertahteesstsraipidstdoerveisceu,patnednsmioenanins 55 for adjusting said support to vary the position 55 mtoaesntti,ngmecaonms pfaorrtmteimntinbgy ahneaotipnegrataionnd Icnooslainidg said strip, openings at the bottom and top of said sthaeidrebfryeevaernydthteentdems ptoeraatsusruemteo wwhheicnh ctholed satrnidp 55 has to be cooled before operative tension is etigmreisnsgofcoamirp, awrthmereenbty tao dprearfmt iist eesnttarbalnischeedanbdy heat dissipated in the operation of said timer, and pro1d6.ucTehde. combination, with a machine, of a timing mechanism, said mechanism comprising 60 caocroolisnsgthfientsimatitnagchceodmtpoarstamidensttriinptahnedaierxdternadftintgo assist in cooling said strip. asaibdi-smtreitpa,llimc esatnrsip,foar msuopvpinogrt tfhoer forneee eenndd ooff 50 said strip and returning it by heating and cool of1h0e. aItn, aa chaerraitertraedaatpmteednttoapbpearmaotuvse,d ainstoouorpce65 erative relation with said heat source, ejecting ionfgsathide fsrtereipe, nmdetaonstimfoer tuhteilizoipnegratthioen troafvesarside machine, and means for adjusting said support mfoeranlosckseintgbysamidoveejemcetinntgomf esaainds,caarribeir-,mmeteaallnics ttoravsehrisfet cthoerretsepmonpdesr.ature range to which such 55 smtreiapnsafnodr smaiedanlosckfoinrghmeeaatinnsgopite,raatnedd breylepaoswinegr 70 stored in said strip by the unequal contraction sup17p.oIrtn tao tiwmheicr,h asariedsilsietrnipt biis-mseectaulrleicd satrtipo,nae end, means for moving the free end of the strip coofoltihnge. different layers thereof responsive to bmaecaknsanfdorfolritmhitbiynghetahteinmg oavnedmceonotlinogf tshaeidstfrriepe, 70 75 otifv1eh1er.eaIltna, taioacnahrwreiiaetthr satradeiadapthmteedeantttosobaueprcpmeao,rvaeejteudcsit,nintaog osmopeuearrncaes- mtehneedansisnaifdothrfevreaedriiareebnclydtioatndejnuidtsstimntogovseaassidsousnmuepcpoaoolritvnsagor,itaahbnaldet 75 8,107,181 7 mpoesnittioonn bceoyoolinndg itshelimpioteindt, tthoerwebhyichmaitisntaminoivneg- mpeernattsurteortainmgee ttho'ewohpicehratthioens,asihdifmtionvgemtheentsteamre- scaoildd.strip under a desired variable tension when dreisspsiopnastiivoen uopf ahnedatdaotwhni,guhtipliozsiintgiotnhseomf othree rtaepmid- 5 tim18in. gThmeecchoamnibsimna,tisoanid, wmiethchaanimsmachcionme,proisfinag ptheerattuimreinrga,ngaendto ahdajsutsetnintghethceoorlaintgioanodf shheoartitneng 5 afobrl-hmeeattainllgic astnrdip cnooorlminagllysauinddsetrrtiepn,simonea, nmseafnosr htiemaetintogcotiomliengrteiqmueirseod thwahtetnheospoemraetwinhgatwloitnhgear 10 usatiildizihnegatminogveamndenctooolfinsgaitdo stitmripe trheespoonpseirvaetioton honiglyh paossimtioalnl opfathrte otefmtpheeradteucrreearasnegienwtihllecatnoctaell omfaslatiednmsioanchoifnsea,iadnsdtrmipetaonvsafroyrtvhaerytiimnge tihnteernvoarl-. tim24e. iInntearvatilmdeure wtohitchhe umtiolirzeesratphide ccoooolliinngg, in- 10 mo1v9a.bIlne taontoaausttoinmgaptiocsittiooans,telor,ckaingslmiceeancsa,rrriee-r otcprevraaltioonf ,athheematerthesopdonosfivvearyelienmg ethnet ttoimteiminetearn- 15 lfeuanscetimoneianngs onfosramidalllyociknienfgfemctievaenst,oapbrei-vmenettatlhliec hvaelatfinogr sthuceceeslseimveenotpteorastuioccnessswivheilcyhhicgohnesristtsemin- 15 sthtreipfrseueppeonrdtedof astaiodnestreinpd,inmoeannesdfiorerctmioonvibnyg pateuraretusrteos,wUhitcilhizitnhge esulecmceesnstivieslycohoilgedhetor stetompptehre- 20 hleeaastiinnggmtheeansstrtoiptraanndsfethrearembyecphraenpiacrael fthoreceret-o the locking means from the free end of the strip toipoenraotfiohnse,atanadt uthtielizsiuncgcethsseivmeloyrehirgahpeird tdeimsspipear-ature ranges thus employed to progressively 20 wtahgenthtehehesatrtiinpgcoaocltsi,onantdo mpeearnmsitfotrheintsetrrriupptt-o sh2o5r.teTnhtehemtiemtheodinteorfvatilm, ing an operation by , 25 cpoooslltetodtihreecrteiboyn manodveapsapildy ffroereceentod tihn e trheeleaospe- means, whereby the latter Is operated to release msisetasnisnofflaexriensgilitehnet bstir-impebtayllihcesattriinpg, the heating concurrently with the wit,hisctharctionngstarting of 25 the20l.oIcnkinag hmeeaat,ntsr.eatment apparatus, a source trhesepoonpseirvaetiUo>natoprbeedettiemrmedi,nesdtoapmpionugntthoef hfleeaxtiinngg, 30 omfovheeasta,ida cmarorviearbleawcaayrrfieror,mmseaaidnsheteantdsinougrcteo, latching means for rendering said last means uunnfflleexxiinngg othf ethsetrsitpripb,yuctioliozliinngg tiht,e srteospilpiienngcythoef the strip to store up power, and causing the stored 30 heinneedaf,tfesmcotieuvarecnesw, hfaeonrbis-hameidaettcianalglrircieasrntdirsipmcooaonvlceindhgotoreswadiadradtsstoarniipde vuap2lu6pe.oIwtonersatnoapfateuthrtoeimtoaphteaircsattrioeoaansc,theerdhaavipnrgedaetmeromvianbelde 35 dttohifefceauruennseetqultaahyleeresfxropefaenthseienodnstrtaoipn,dmaoncvdoenrtetrolaecatasinoindng ofmrfoeathbnyes tlsoolicacksetinicngagrtrphieoers,ietiajoennc,teinjtehgcetdinmevgeictdheeovdwicieoth,f autnhndelocmckaeirnargniesrsafoiindr 35 mmoevnetdoifnttoheopseariadtifvreeepoesnitdioinnroesnpeondsirivecettioonm, osvaeid- dwehviicche cboynsmisetsanins soufppaorretisniglietnhte bstir-impeatatlolincesetnridp, 40 srealiedasliantgchimngeamnseabnesinrgespoopnesriavteedtotomorevleemaseentthoef heneadtinfogrwanardd coaonldingrettuhren,strciapustiongmothvee tfhoerwfarerde 40 the21s.aIidn fraene aeuntdominatthice otothasetredr,ireacttiooans.ting com- mtioonvebmetewnetetno tehfefefcrteaenenodpearnatdivseaimd elocchkainnigcaml ereanlas-, 45 spaairdtmcoemntp, aartmsliecnet,ceajrericetor rmmoevaanbsleseint baynsdaioductaor-f rier when it is moved into said compartment, a amnodvtehmereenbtytocaaupsipnlgy tfhoercseaidtofrseaeidenldocokninitgs and release the same. rmeetuarnns 45 rtiemleearsincogmsapirdiseinjegctaorbmi-meaentsalbliychsetaritpin,gmaenadnscofool-r par2t7m. eInnt afonr areucteoimviantgicsltioceasstoefr,braeatdoatostibnegtocaosrtn 50 ienngt soafidthsetrihpeainticnlugdminegahnesaitningsamideatonassitnindgepceonmd-partment, a second bi-metallic strip arranged eodu,tsaidteimsaeird icnoclmudpianrgtmaenbti-fmorethaellaictinsgtrispa,idmsetarnips at the beginning of a toasting operation, means 60 taondremceeivaenshienactlufdroinmg ssaaiidd steocaosntidngstrciopmfoprarcthmaenngt-, rteesrmpoinnsaitviengtothfleexhienagtionfgsathidersetorifp, moneahnesatriensgpofno-r 55 isntrgipt.he time interval measured by the said first smivienatotinugnftlheexitnogasotfinsgaidopsetrraiptioonn, mcoeoalninsgfoforrctaeurs-- tio2n2.bTyhme emanesthoofdaobf iv-mareiatablllyictsimtriipngwahnichopceorna-- iwnhgilseaihdeasttirnipg,toanpdermfoeramnswinocrkluodninfgleaxisnegcothnedreboi-f 66 sainsdts bianckmoovveinrga ofinxeedenodperoaftivtheerasntrgiep bfyorhweaartd- cmoemtapllairctmsternipt forercveaivryiningghtehaetafmroomuntsaoifdwtooraksptienrg- 60 aintgthaendbecgoionlnininggthoef tshtreipo, psetraarttiionng ttohebehteiamtiendg, ifnogrmiendtetrovathl eorfebsyaivdarfyirstht estdruipr,ation of the heat- 60 cinagu,sicnagutshinegfotrhwearrdetmuronvemmoevnetmtoensttotpo tshteophetahte- par2t8m. eInnt,aan saliucteomcaartriicertomasotvearb, lea itnoaasntidngouctomof 65 orapnegraetitoon,wshhiicfhtinthgeupsaaidndmdoovwemn ethnetstaermepreersaptounre- tsraiicdalchoemaptearrtfmorensta,idastbrii-pm, eataclilriccuisttrfiopr,saaind esltericp- 66 psiavtel,onanodf uhteilaizt inagt stuhceceisnscivreealysinhgiglyherraptiedmpdeisrsai-- sreaniddecroemd peaffretmctievnet,wmheenanssairdescpaornrsieivreistomfolvexedinigntoof taunrde trhaenrgeebsy tporohgaresstesinvetlhyeshcoorotleinngthoef tsiamidings.trip rinagidssatirdipciirncuoint eindeifrfeeccttiiovne, oanndhemateianngsfroerspreonndsievre- 70 tio2n3.bTyhme emanesthoofdaofbiv-mareiatablllyictismtriinpgwahnichopceorna-- toonflceoxoinligngoffosaridexspterlilpinign stahied ocpaproriseitre fdroirmectsioaind 70 sbiasctsk inovmerovaingfixoende eonpderoaftivthee rsatnrigpefobrywahredatainngd co2m9p. aIrntmaennta. utomatic toaster, a toasting com- 75 oanccdupcioeodlinign tthhee stfroirpw, aurtdilizainndg tbhaecktwotaarldomf toivmee- hpianrgtme einnta,nad hoiuntgoefdsasliidcecocmarpraiertrmmenotv,aabnleeojenctiotsr 76 8 2,167,191 bdeevriacnedfoarsspariidngcaorprpioesriningcrluodtaintlgbnathpievroetoefd, mmeeamns for automatically.getting said device by rotating sotnriph,emateinagnsfroersptoenrmsivineattoinmg otvheemheenattoinfgthpeesritoridp, and means including a spring opposing move 8 msaoidvedmienmtobesraidoncoimtspapritvmotenwt,htehnerseabiyd tecnasriroienrinigs me3n1.t Ionf tahne asturtiopmtoatipcrotlooansgtetrh, eahteoaatsintigngpecroiomd-. 5 spcaooismditpisoapnrrt,imnsgea,nidmt wceaahnrirslieefrothrbeeloiencjgkeicnmtgoorvsaadibedlveidceoevuiitcseolfioncskaseieddt psaairdtmcoemntp, aartmsliecnet,caanrreiejercmtoorvdaebvleiceinfoarndamouctaorf rier set when said carrier is moved into mid com 10 sbtuatrtendorwmhaelnlysariedmcaairnriinegr isthmeoreviend, inatnodsaaid tciommer partment and effective after a predetermined pcoamrtmpreisnint,gmaeanbsi-mfoertalollcikcinsgtrispa,idmdeeavnicse,eaffeticmtiveer m upon setting of said device for storing energy in int3e0r.vaInl toanrealeuatsoemsaatiidc etjoeacsttoerr,deavitcoea.sting com partment, a slice carrier movable in and out of stiaoind ostfrihpeabty, mdeefaonrsmriensgpotnhseivseamtoesuuncdhedretfhoermaac tion for stopping the heating action, and means U ssaaiidd ccaormripearritsmemnotv, eadninetjoecstaoird dceovmicepasrtemt ewnth,ena timer comprising a bi-metallic strip, means for sfoairdapstprliypintgo uthneloecnkersgayidreeljeeacstoedr duepvoicne.cooling of I harold j. mccreary. releasing said device by heating and cooling said RODNEY O. RICHARDSON. DISCLAIMER 2,167,121T.--imHianrgoladnJd. TMimcCinrgeaDrye,vLicoem. b_aPradt,enantddaRtoeddnJeuylyO2. 5R,i1c9h3a9r.dsoDni,scClahiimcaegrof,i1le11d. September 29,1941, by the assignee, McGrav> Electric Company. patenHte. reby enters this disclaimer to claims 1,16,17,18,19,22, 23,24, and 26 of said [Official Gazette OctoberSIt 19ilJ 8 2,167,191 bdeevriacnedfoarsspariidngcaorprpioesriningcrluodtaintlgbnathpievroetoefd, mmeeamns for automatically.getting said device by rotating sotnriph,emateinagnsfroersptoenrmsivineattoinmg otvheemheenattoinfgthpeesritoridp, and means including a spring opposing move 8 msaoidvedmienmtobesraidoncoimtspapritvmotenwt,htehnerseabiyd tecnasriroienrinigs me3n1.t Ionf tahne asturtiopmtoatipcrotlooansgtetrh, eahteoaatsintigngpecroiomd-. 5 spcaooismditpisoapnrrt,imnsgea,nidmt wceaahnrirslieefrothrbeeloiencjgkeicnmtgoorvsaadibedlveidceoevuiitcseolfioncskaseieddt psaairdtmcoemntp, aartmsliecnet,caanrreiejercmtoorvdaebvleiceinfoarndamouctaorf rier set when said carrier is moved into mid com 10 sbtuatrtendorwmhaelnlysariedmcaairnriinegr isthmeoreviend, inatnodsaaid tciommer partment and effective after a predetermined pcoamrtmpreisnint,gmaeanbsi-mfoertalollcikcinsgtrispa,idmdeeavnicse,eaffeticmtiveer m upon setting of said device for storing energy in int3e0r.vaInl toanrealeuatsoemsaatiidc etjoeacsttoerr,deavitcoea.sting com partment, a slice carrier movable in and out of stiaoind ostfrihpeabty, mdeefaonrsmriensgpotnhseivseamtoesuuncdhedretfhoermaac tion for stopping the heating action, and means U ssaaiidd ccaormripearritsmemnotv, eadninetjoecstaoird dceovmicepasrtemt ewnth,ena timer comprising a bi-metallic strip, means for sfoairdapstprliypintgo uthneloecnkersgayidreeljeeacstoedr duepvoicne.cooling of I harold j. mccreary. releasing said device by heating and cooling said RODNEY O. RICHARDSON. DISCLAIMER 2,167,121T.--imHianrgoladnJd. TMimcCinrgeaDrye,vLicoem. b_aPradt,enantddaRtoeddnJeuylyO2. 5R,i1c9h3a9r.dsoDni,scClahiimcaegrof,i1le11d. September 29,1941, by the assignee, McGrav> Electric Company. patenHte. reby enters this disclaimer to claims 1,16,17,18,19,22, 23,24, and 26 of said [Official Gazette OctoberSIt 19ilJ