US2804527A

US2804527A - Reversing switch

Info

Publication number: US2804527A
Application number: US482933A
Authority: US
Inventors: Howard C Snyder; Stuart W Pollock
Original assignee: DEXCO Inc
Current assignee: DEXCO Inc
Priority date: 1955-01-20
Filing date: 1955-01-20
Publication date: 1957-08-27
Anticipated expiration: 1974-08-27

Description

27, 1957 H. c. sNYDER ET AL 2,804,527

REvRSNG SWTcH Fi1ed Jan. 20. 1955 5 Sheetssheet 1 1957 H. c. SNYDER ET AL 2,804,527

REvBRSNG SWTcH 5 sheetsSheet 2 7, 1957 H. c. sNYDER ETAL 2,804,527

REvBRSING SWTcH Fied Janl 2o, 1955 3 sheetsSheet 3 48 When the cffoulaf poftionS of the oafnS of1, oZ, afe in engagement With the follefS 58. SWinging of the knob 82, thefoby fotating Shaft 64, a1So fotates the camS and When fhe fo11efS 58 o 1fef fhe dopfeSSionS of

fecesSeS

112, 114, etC., of the calnS, tho SpfiflgS 48 ufge the afn1S 48 into cifCUit closing poSition thefeby bfidging the TeSpec tivo paifs of oontacts 38 in acoofdance with the pafticu laf affangement of cam feceSSeS.

At d e safne tin1e, of coufSe, the

fatchet afIns

94, 98, tfave1 ovef the fonef 98 which SucoeSSively ongagoS tho feceSSes 93 and the highef poftionS of the afms, and thus a fee1 iS tfanSfflitted to tho opefatof and, in addition, the handle aSSen1bly iS fotained undef pfeSSufo of the SpfingS 108, 108, in any Selected position of feSt, ThiS lattef featufe iS in1poftant ff.oIn the Safety Standpoint.

E1eoffioa1 condUctofS afe bfought into tho SVVitch t11'fol1gh f11e Conduit coup1ing 118 which iS pfefefab1y (1iSpoSed at one end of tho baSe 10. The SWitch nlay be wifed iI1 any nun1bef of wayS in accofdance vith tho fypo of n1ofof of othef elecflica1 appafatUS to bo co11- tfo11ed. The pafticulaf e111bodiIne11t il111Stfated pfovides fof tWo speedS fofvvafd, tvvo speeds feve f e and off. The ConfoufS of tho can1S 88 and oZ Inay be designed to actuate the Contact afnlS 48 in any deSifed sequence in acoofdance vith Inoven1ent of the hand1e 88, it being undefStood that coi1 SpfingS 48 Vvi11 fnovo the afn1S 48 to bfidgo the paifs of contaots 38 vvhenevef the Tespec tive fo11efS 58 engage a fecoSS in caIflS 88 of oZ. 1t Shou1d bo nofed that the contacts 38 afe bfidged by bafS 50 Whioh a fe se1f1eve1ing and that the aflnS 4G thefnSelves caffy no oUffent.

when the sWitch iS aSSembled, it is SI1bstaI1tia11y Sealed againSt entfy of dift and ffloistufe, the oovef 18 fitting tight1y on the Hange of base 10 and the shaft o4 being Sealed at the beafing 76. DiSassefnb1y of tho switch fof inspection of fepaif is eXceedingly sifflple. 1enova1 of cap sofews 118 pefff1itS feITova1 of oovef 16. It iS then a SiITlp1e lTlatfof to feInove the SofevvS 32, vvhefeUpoo fho entife sadd1e aSSen1b1y nay be fen1oved aS a IInit along With the Side pieces ZZ, 24, and the hand1e and fatchet aSSembly. ()fdinafi1y, no fUfthef diSaSSen1b1y Wi11 bo feqUffed, but if it is, the povvef condUctofS fnay be fefnoved ffofn the binding posts by 1oosening scfewS 42, and the handle aSSemb1y iS femovable by inSefting a SofeWdfivef in feceSS 118. 1en1oval of SofevvS Zo and 34 and bo1tS 86 and 88 Wil1 comp1ete the disaSSefnbly. 1eaSSenb1y iS coffoSpondingly SifT1p1e.

It WH1 be undefStood that whi1e we have deScfibed tho uSo of caStings fof the baSe, covef, Sadd1e, efC., Sfaff1p ingS, We1dnents of othef fabficated conStlTlction may be uSed.

1t Wi11 thuS be Seen that we have pfovided a fugged, yet sim le, n1u1tip1othfow SWitch Which iS positive in action and eaSy to diSaSSemb1e and feaSSemb1e. while vvo have ShovVn but one of tho Inany fofIns the invention fnay aSSuIne, it wi11 be Undefstood that, by so doing, We do nof infend to 1in1it oUf invention in any way eXcept aS Sef fofth in the appended c1ain1S.

L In a SWitch, a base, a saddle aSSeInbly nlounted in Said baSe, Said saddle assen1b1y coInpfiSing a saddle fflen1- bef, a p1ufa1ity of Statioflafy contactS fnounfed on Said n1efflbef, a contact afm pivota11y nlonnted on Said fneInbef, a contact bfidging nleInbef caffied by Said affn, n1eanS oaffied by Said nlenlbef fof Svvinging said afn1 about its pivota1 nlounting whefeby ceftaiI1 of Said co11- tacfS may be bfidged by Said bfidging membef, and feovab1e faStening e1enlentS fof Seculing said Sadd1e aS sembly to Said base.

Z. 111 an e1ectfica1 SvVitch, a Saddle 11efnbef, a paif of Stationafy oontactS n1oUnted on opposifely eXfending poffionS of said Sadd1e Inefnbef, a paif of contact afn1s pivota11y fflounted on Said saddle fnen1bef and extending oppositoly ffom fhe cenffal poffion thefeof, a bfidg ing nlen1bef oaffied by each of Said afn1S in Such poSition that the feSpoctivo JaifS of contacfs afe bfidged in ono poS1fion of Said afInS, and nleanS fof se1ective1y acfl1 ating Said afnlS about theif pivots coInpfiSing a can1 dis posed ifl engagement with both of said al,Ins.

3. II1 an electfical Svvitch, a paif of opposite1y eXtend ing pivotaHy Inounted contact aflT1s, a Single cam fof Selective1y Svvinging said afIT1S betWeen off and on poSifionS, a lobe oI1 Said can1 adapted fo Selectively en gage Said affflS to fnove eifhef of both to off position, dePfeSSions in Said cafn adaPted fo se1eofive1y engage the fespecfive a fn1S to n1ove one of the othef to on poSi tion, Said depfessionS being dispoSed o11 Said oaf 1 Such that 1eSS fhan 90 of lnovenlent of Said cafn Vvi11 acfIlate one of the othef of said afInS.

4. 1n an eleoffica1 sVvifch, a aif of oppoSitely dispoSod swinging contact afIT1S, a handle fof Se1ective1y SWinging Said contact affflS between on and o positions, a paif of dotent membefS diSpoSed in opefative felationshfp With said hand1o fof yieldab1y fefaining 'Said hand1e in an off position and a p1ufalify of on positionS, and ffleans aSsociated with Said Inefflbefs and handle fof oauSing one of Said Inombefs to oXeft pfeSSufe on said handle vVhen the laffef iS in an on posifion and both of Said ITlefnbefs to exeft pfessufo on Said handle when the lattef is in off )osifioI1.

The con1bination Set fofth in clafIT1 1 whefein a fatchot fflechaniSIT1 iS opefatively asSociafed with Said handle and said nechaniSn1 iS a1So caffied by Said Sadd1e membef.

6. 1I1 a SWitch, a base, a sadd1e assen1bly Inounted in said baSe, Said sadd1e aSSemb1y including a paif of opposite1y diS )oSed Side pieceS, cifouit Inako'and-bfeak e1eInentS n1ounted on Said Sadd1e, actIlafing Inechanism fof said e1enlenfS InOUnted on Said Side pieces, a covef fof Said elefnentS and nlechaniSnf having edge poftionS adapted fo nlate with said base, and side pieceS thefeby to pfovide a diftpfoof StfL1cfufe,

7. In a svvitch, a baSe, a sadd1e n1en1bef Inounted in Said base, stationary cifcHit n1ake-and-bfoak e1en1eIltS caffied by Said saddle, bfidging elements caffied by Said saddle, a paif of Side pieceS caffied by Said Saddle, a can1 Shaft caffied by Said Side pieces, caInS on said Shaft, and 111eanS Inounted on Said sadd1e and opefative1y aS sociated vvith Said camS fof acfuafing Said bfidging e1e n1onts.

8, The cofflbination Set fofth iIl claifn 7 whefein said e1eInentS afe nloUnted on inSulating b1ockS dispoSed on Said Sadd1e in Side-by-Side fe1ation, a Shield of insulafing n1atefia1 1T1ounted veftically between Said e1efflents.

v 11efefences C1fed in the file of thiS patent UNITED STATES PATENTS 406,906