US1630433A - Push-through switch - Google Patents

Description

' May 31, 1927.'

W. ILE

PUSH-THROUGH SWITCH Filed Aug. 18. 1925 2 Sheets-Sheet 2 y n gva/uente@ 4, y 9 www@ fw,

Cilv

' Vwith this invention.

"FigaV 5 is a central transverse tsectional vview, of the' device.

Patented May` 31p, 1927. i

f. met ewes WILLIAM Iiinoi moisson; MIcHlIGAN, Assieinen'fro REYNQLDS si i *gli J A, insana RINGS vrG0'Meeker oFJAcKsom MICHIGAN, A conic'131erioii'ouiiiiiiiiWARiiLfV4 Appuqation ined August 1ra-.159725. senai `i i.15o, e24.:

i The rin'vei'itioiirelates to push through switcli.- i v 'lheobjectv of the present invention isjto improve the construction of electric svvitcl'ies -andtoiprovide asiniple, 4practical and e'tif cient pushthrough sivitch of strong, durable Y V and' comparatively inexpensive construction Which will presenta Aneat and attractive ap'- pearance l,and Which-Will be of ainininiuniV size.y I Y ,'Anotheryobject ofthe invention is to pro- I vide a pushthrough'switch of this' character in which the .casing may be molded in tivo sections of; bakeliteoi similar insulating material and in which ainiiiiinu'in amount of such material` will be eiiiployedand which will aitord` a iiiin `solid support for the push through switch.y l

' mechanismv and electrical connections of `the stood that various changes in the forni, pr/'0- portion and` iiinor details ofV construction,

Within'pthe scope of` the claims, may be 're- Y Y sorted to' Without'vdeparting troni :the spirit or sacrificing anyfxo'f the advantages Vofthe invention;

In the drawingsf. f Q g F 'gure 1' "s, a'j siydejelevation/ ofjal push through switch constructed in" accordance Fig.4 2 is asimilar vfievv lool'ingfatithe push through' 'switch .art {rightfjangles to- Fig 1 i f 1;

- Fig. 3 is aicentrallongitudinal*sectional view of the push through switch'.

angles to FigiB.

Fig. 4 is a similar view taken atl right? Fig. isaii elevationlofjthe shell section oit thecasingvshowing lthe innen face of the Same; e p

FigL'? 'is' Figi. 48' is a side Viewv of the oblong 'bracket vided with a substantially cylindrical casing ,.l olbakelite or other suitable material in view, the

one side of"` the jce'iiter,withV substantially rectangularrecesses' `11l in? which is :secured the arn'is at'one siede elevation off-the v push slide(V K l =recess11:Iandi-.isfsecuredgthereinby'f a :coni-z d g binefd binding and :attachnient us'c vt 17 'piercing theattaching plate and engaging a;

niolded in tivo approximately,senii-cylindri e i .he section Sloeingsub` 11 l, Lstantially solid and" constituting; a .irinfsup- .poift 'forth-e switch niechanisni and electrical connections land v*the section. l consisting of ical sections '8 and 1l,Vv

a, shell or 'hollow'semi-cylindrical niember. I

The sections are, provided.- at their ends with",

centralsemi-circular'recesses fand 6 forining 'central -openingsv in the: Vends of the cylindrical casing vwhen thefsect'ionsiare as senibledaiidthe said casing is closedatthe sides and feiids'except for the end openings and -si-dewrecesses 7 :formed in .the opposite.-

edgesofthe sectionv 3 centrally thereof .for i lthev passage ofi* push "buttons 8V of f'puSl'i slide 9 of the 'snapsivitcli inech'anisnilierej l;

inafterl described..` The 'sidefand endedges of the section f4 are adapted .toit against' l corresponding edges :jforni'ed by :opposite niargifnallanges 10pt Vthel section, 3 The inarginalflangefld of thesect'ion and the section B/isprolforms t a f shallow coinpartm'ent for chamben ide'd 'at itsfends at i niinals V13spaced apart and adapted lto bey engaged byan oscillatory switch member 14 as 'clearly illustrated inFig. lof the draw,- ings..V The 'stationary' y'sv/'itch terininals- 13' inwardly oiisetbyV angular bends. and Vproj-1. vided With contact lugs lQeXtending ffnoin p side Vetlge *thereof and ar` range lat right la'ngl'esrto theiplaneoi'jthe karins. The contact 'lugs V16 of the'st'ationar'yfV`lv svviteli' terminals form abutnients for the movable switch member andare engaged by the isaiiieat th-'eliniiti of .tlie'inovenient of f the saidJ ineinberrliifi one direction. `The conf-' ,f

' tact'lugs arevset fat an angle' or` inclination v-f v and preseiitlatfaces tothe niova'ble switch*` A fineinber.' Thel attaching plate l2 is-"substan,`

ti'ally- `-rect'aiigiu-lar4 and. ylits j in the' rectangular suitable threaded opening in. the section 3'. The'l threaded' :openings forl the 1 {bind-ing.`

5 embedded inv thefbakelite when the sectionsl is carried Vto itsopposite'position the current l' YV'will be rinterrupted as willbe readily un'der4 .smo-. I l, -V

apV switch lmechanism comprises in l.. v its yc onstfrnction the movable lswitch member"7H rect-angiilar bracket orVVV snp--v Y port 18 composed or" spaced' parallel sides and parallel Vends :all formed of a` .single piece Aofniet/al the 'terminals .being spaced apartfat one ofthe corners of are moldedfpas willf'be'rea'dily iinderstood-` TheV terminalsv of Vthe wire in 'wliich the switch is placed are brougit thronghthe end Vopenings,foifthe leasing and are secured in Y the usual-manner by the binding screws 17.

i andwhen the movable' contact with'fthje stationary switch terminals.; a current isperinitted to flow through the switch andwhen the movable switch member a :substantially 'tf1/the rectangular-bracket or snppoijt'as clearly illiistatedin-Figgt of the A .y to giveV resiliency tothe bracket orfsupport.

VBy virtueiof this resiliency, thatis, i Y

of the bracket orsu'pport beingcompressibleV toward and away from'y the opposite-side, the "support inay'maintain itself-firmly in position` Y ht Vbetween the walls y "a and?) (Fig. 4),.'Thissupport or bracket: is' formed by bending af plate orstrip-vof' V"sheet inetalat' right angles atl intervals to form side and end' walls and thes'ides of" Y of Q which is j perft'ofi1 at ed" drawings so as one side the support are compressed` in introducing the same in positioi'i'between the walls *a1 and bland when pressure is removedffromthe Y sides off the vobloiigf support the resi'liency or spring action otithe sides? will' irnilyghold Y the snap switch,mechanisn'i' in position. To

positivglyfasten 'thesnpport to [the SgoglmV 3 "the, spport sprovded with the' lug' i9 suitable astening device 2l; The rect-angiir lar-bracl'getis arranged.centrallyoftheSecti'onfand extends across Y betweeir the marginal ianges 10F thereoi and ilug' @19"fittel l Y an'dsecured to the latter byfa screw v21V pierc-` "vi-ngrtli'eattaching lug and engaging va lsuitable itisprovided at one sideA with -an attaching 'ina recess 2O in the section aded opening in tliesaidy section Vv3 'of t ie basing;

a, metallic biishing'or any lother desired ginai'ineri. "Thesides .of the support 181a're provided lwith inwardly taperedfV recesses 22 having oppositely' inclinedV jsidewalls, and y forming openbearings 23 at the'apex. Y. -V The oppositely:inclined walls oitthe"'recesses'gfZQ "form: stops 'gter' lii'niti'iigthe .swing ogthe* iiiovablej switchl member which consists UofA` i' 60; a Vyolrefhaving i Y connecting jcrossjbar which projects laterV ',jallybeyond the outer 'edgesgof, theY sides'V to oimfcontact terininalsQlt which'eiigage the',if

spacedV p arallell sidesV and` a fcon'tact lugs of the stationary switch termi- Vl`nals-Ij.-k'lhe sides oftheniovable switch Irleiii-'VV switch membery is in f :able switch member. Vj Y 1 of the inetal lol'ngitudii'ialV rib y I thebody portion of thepiish slide.`

casing tothe other.V the spriiig'fis kcarried.` beyond azcentral lposition' andr the movable slide andthe spring is-,carriedbe'yo'nd'afceiif Y .y for the receptionjofa tral positionv andthe inovableiswitch is ca'r-` ried into and ont oifvcoiitactjwith the sta-" the;v sainerr and flits YThe slideis .provided Vat'its ends with Vinte-I', Y c

iin

The threads may be formed by I' tons 8 which fare molded oi balrelite vOrot'hfer.

vvwith" openings "el i for the passag 4ready assembling of tliefpar'ts.

v Y ncsa/ias laterally extending pivot studs 25which. are` arranged'inthe open bearingsj23 ofthe supp o-rt and the oiiter-portioiis26 ofthe sides of the movable switch member-.are extended Y laterally Vor `widened to'fkprojectintofthe re# 'E cesses 22 lfor engaging the side walls-ot`.`"

the same for limitingthe swing of the mov` lThe l oblong ybracket Vbesides 'ormiiigwa; support ior theloscillator'y switchmmeinber :also serves as a giiidebforftlie pnslii sli`cle ,9v which consists ofV a fsubstantiailly rectangular body'portion 2? arranged betweenthe j -80 sides of thejsnpport and'providedwith arms 28 and 29 arranged in p airsjandliaving taf pering recessesat their inner op'posededges.

`The inner edges ofthejonter portionsotfthe' n `'arms `convergetoward theirjoiiteriends `as clearly shown at 29. iniFigrTanjd tlieylare 3f adapted yto i iit againstth'e sidesfofJ the movfr able switch memberand positively lmove vrthe Y saine into contact with thestationary switch Y terminals and also fto tlieflimit ofthe move? 'mentof the switch member in the opposite direction. Y The vcross bar of ythe movable switch lmember is provided 4with aifi.eye or opening` .30 into which is ,'liiilre-d'theqouter i' end ofa coiled spring-132 fand theinner end 33er the. coiledspring is linked an eye oropening 3ft oit the pushslide; The

erably formed byanfopeniiig in. a central l 35 formed integral with ,Whenf the .slide is moved "fromjone'fside-*ofthe switch member n isV alsok engaged by *the push tionary 'switch ,teiminalsvvith a snap vactionV tions by engagement ofthe'push-Slide andV will niaintainbot-h the'slide and the movable l" Y switchinember inv eitherfoi their positions.

gral. shai'ils T4B5 arranged; in :loi'igitndinal alineinent .and embedded?jin' the` push," blitbe Vprovided foirfac'tnatingthe vslide.;v vThe 1 endsjfoi'; the oblong lbracket ar'ejpr "ided The' substantially solid 'section o t 'proi, vi ded .withi-tr anfsversefl'openings 3? `for E the;

Aformed integral with the shell section l as clearly shown in Fig. 3 ot the drawings. The outer port-ions of the openings 37 aie countcrboied as shown at i0 to receive the heads oi"l the transverse screws 38 'which securely tasten the sections of the casing in assembled relation. All of the partsotthe snap switch mechanism and the electrical connections are mounted on the solid sect-ion whichv provides a iirm and secuie support for such paits and 'the shell section serves as a cap for the solid section'.

1What is claimed is:

1.2m electric switch of the class de-` scribed including` snap switch' mechanism comprising a support having side and vend walls, the side walls having aligned recesses opening'through the upper edges ot the sides, the ends ot' the support having aligned openings, a slide guided in the support and having terminal push buttons slidable through said end openings ot' the support, said slide having a pair of arms at each end, a movable switch member ulcrumed in said recesses and arranged to be engaged and positively actuated by the pairs of arms of said slide, and a spring connection between the slide and the movable switch member against the action of which the pairs of arms ot the slide operate the switch member.

2. An elect-ric switch of the class described including snap switch mechanism comprising an oblong support having side and end walls, the side walls being provided with il-shaped recesses and the end walls having aligned openings, a slide guided in the support and having terminal push buttons slid-l able through said end openingsot the support, said slide being also provided at opposite sides with spaced arms located at the said il-shaped recesses, a. movable switch member consisting of a swinging yoke having its sides tulcrumed in the V-shaped re cesses and arranged to be engaged and positively actuated by the arms of .the slide, and a spring connection betwen the slide and the movable switch member.

3. An electric switch of the class describedl including snap switch mechanism comprising spaced stationary switch terminals, a support having side and end walls, the side walls being' provided with V-shaped recesses and the end walls having aligned openings, a slide guided in the support and having tei'- minal push buttons slidable through the said end openings otl the support, said slide being also provided at opposite ends with pairs ot arms, the inner edges ot the outer portions of one pair of arms converging' toward the outer portions of the inner edges of the other pair of arms, a movable switch meinber tulcrumed in said il-shaped recesses and arranged to be engaged and positively actu-V ated by the converging outer portions of the inner edges of the pairs ot' arms of said slide,

and a spring connectionk between: the slidel and lthe movable switch member against the action of which the pairs oil' arms'o slide operate the switch member.

4. An' electric 'switch of the class described including. spacedv stationary switch terminais, a substantially oblong support having side and end walls, the side walls being provided with if-shaped recesses and the end the ywalls having aligned V-sliap'ed openings, a

slide Aguided in the' support and having tei"- iniiial vpush buttons slid'able through ysaid V-shaped end openings oi the support, said Vspaced stationary switch terminals mounted within the casing, a substantially oblong' supportV having side and end walls mounted in the casing, the side walls being provided with V-shaped recesses forming bearings vand the end walls having aligned openings, the support having a laterally projecting lug fitting in said recess of the casing, means piercing the lug to secure the support to the casing, a slide guided in the support andy having terminal push buttons slidable through the said ei'id openings of the support and through the said casing, said slide being also provided with a recess and at the ends of the recess being` provided with pairs of spaced arms, having its sides tulcruined in the ll-shaped recesses of thesupport and arranged to be engaged and positively actuated by the arms of the'slide, and a spring connected at one end in the opening ot said rib and at its other end having connection with the sWing-. ing switch member. f

6. Av push through switch including a casing composed of sections formed of insulating material, means for securing the sections together, spaced stationary switch terminals mounted within the casing, a substantially Oblong support having side and end walls mounted Vin the casing, one of the sidewalls vat one corner of the support terminating short of the end wall, the side walls ot' the support. being provided with V-shaped re cesses forming open bearingsand the end walls having aligned openings, a slide guided inthe support and having terminal .push buttons slidable through said endopenings of the support and also through the side walls of the casing, said slide being also pro- `'slide being also provided at opposite sides with lspaced -ariii's located adjacent the said said rib and at its other end lil() a swinging switch member

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