US969787A - Plug-switch. - Google Patents

Description

H. E, LBPFERT.

K PLUG SWITGH. LPPLIoATIbN Hmm MM5, 1909. 969,787. Patented sept. 13, i910 2 SHEETS-SHEET 1.

Tri-einem orrlion.

itsiin, county llertiorcl, Siete, of Vi1 lurvc infen il loin new unil miro l s in .i lug L'iwi-ltclics, of iEollov/,ngg e. Yiull. c leiir, anni Inscription. invention rele' to plug siviiclics, end or its ob'cct to 1; oiluce :i terminal lluvcontnct lso nxounieil ibut when ille plug ":ict vili eesily niovc or .t :is to centi-i ving been ,found ilizit contacts heretofore il are oii` ni'irncs injured by tbc inscrtioi'i e plug which is not propr lv centered. Another object ci my invenrion is 'to prorirle u contact floating us above described, of consu arable lengt-li, in the direction of the oi the plug, und movably supported at point in proximiiyto Where tbe plug marlies engagement.

Another object of my invention is to provine s. terminal baring :i contact Wliicli, when the plug' is witl'iflrufwn, vfill snap civ y from the.' plugs/:1 :is to always produce quick break between' the Contact nucl tbe plug. Ey this nie-uns, injury,T flue 'lo burning when 'the plug is Witndrown Yliile the tren.;- leting devices are still in circuit, is 'practically eliminated. suoli means, if velle plug is slowly withdrawn Aivliile the. translating devices are in circuit, :i very considerable burning is liable to occur F upon tlie plug and upon tlie contact.

'l'lie following is clricription ci :i device embodying my invention, ri 'ence being limi to the ucconipiu'lying drawings, in

Which-- w71igure l shows :i plug and plug receptacle. embodying luy invention. g. is un enM lzirged. pluri view of tlxe terminal :and its contact. Fig. 3 iso sioview of 2 with plug inserted. Fig. l shows the. seine when the plug is about to be removed. Fig. 5 shows tbe seme with tile plug just removed, te lie'ng in section. Fig. o shows e4 clell 7 shows modiiciy .l

Specificetioi?. ol" Letters 'ateut.

Ennis Lnrrnm, i, the DI .o initiates, ing ut tscli upon tnc plug, it

ln tbc absence of sonicA Corinna-ciccia, essionoe. *ro EEE een@ rimuo- 19ml. Serial No. lf3/4,176.

vifleclvivitli a hole in which is .mounted e hollow sleeve D having flanges E and F :it its upper lower ends. Between thc bracket mici the flange 'F is e. spring (l, which liolcls tbe upper flange E in intiinclc Contact ,Willi the bracket C. Tlieliole in the relucir-ct is consiclcrz'ibly larger than tbe cyliniler D., as to permit the cylinder to inove roin sid-e to sicle therein, or, l terni it, iloet. Securecl to the bottom oi' the cylinder D is e. contact H having four spring isivsinto which tbe plug I lit-s. lf the plug, as it'passcs through the opening in `tbe face-plate J, is not centeredv relagzigement with tbe Contact Will conse the dran/'11, tbe Contact ll follows it until lthe spiral spring l( 'is compressed. The head prevents further movement, whereupon the plug pulls out of the Contact and the contact snaps back under action of the spiral spring K, thereby causing c. quick break even if the plug is Withdrawn slowly. By properly 'con be secured, even though the Contact H has no movement relu-tively to the cylinder .D.- l/Vhen the contact moves relatively to the cylinder D, l provide springs 'N for provii'ling u. goed electrical connection between 'the contact ll ancltlie cylinder D. i I

ln the modification shown in Figs. 7, 8 9, e leef spi/'ing G is used instezullof a spiral spring surrounding the cylinder, unil the lower flange F upon tbe cylinder D- brouglit correspondingly.- uearer the bracket. This cons@Factionr also permits of Heating.' The censtruction). is otherwise the s las the construction shown in Figs.y 1y to in and 'the sume reference lettersj.:with an' exponent.. tbe various structures their may em body my invention, those'specically shown cnil described herein are the preferred forms. ll/hit I claim 1. lil e. plug switch, the combination of a plug, e. contact having contact surfaces exthe 'directioneof the a-Xiso 'the i tending 1n raieutec sept. 13, icio.

.tively to tbe jaws of tlie contact H, its en Contact, together with the cylinder, to move proportioning the spring Gr, the snap actionv the result, so for es oeting is concerrief.A the scirio 1n both cases and: slmlar parte beer;

C il

ce l

Sli

p1u.g,0ne of said mmbers being cup-si1apecl in the direction of the axis 0]" file plug, al' and the otller'tting tlrein, and a, supp@ 't spwl-t therein-located. inA prox ity lo the 'for said Contact` located in proximity to the mouth of saicl @peiling a cairim :E01- said Outleedgs of said surfaces, Said Contactbe- Contact intrpsml between salici contant and 5 ing cone'cted to'said support by a. sliding Qaifl'support, said carrier being connected to 45 connection so :1s-t0 D transvei'ssly movaible said support so as tmb@ transversely movrlatively to said support. able, .said cfmtact 339mg cotmcctid to Suid 2. Ilia;t plug' swith, fthe Combination of carrier by a pin, and a co-mplession spring; a plug7 a Contact having on't'act Surfaces eX surrounding said. pin. 10 tending in `fahr: dircton of the axisof thev 6. ln a plug switch, the combination of a 50 plugncl'aws'uppmrt tliereforlocatedir. pmx plz'g; :l Contact engzzffacl by smid plug, a.' imity to tllemouth osaid jaws, said C0311- .memllic conta@t-sugnporting member :gldapted lactbeing c'onilected t@ said supgpm.' 'to be ulccrcally fniiccccl t@ a circuit ter- 't be transversely imo\:,f'al3le,v anal L longitw miiml and in the eifecrical circuit 0l which dinally ating :aiming insuring gocl elec said Contact i'ms a. part, spring tending trica-l continuity between said Contact and to move said Contact in he dii'ectn of lle Said support axis; oif'saicl plug;7 ill@ engagement between In. plug switch7 tliecombinatixi Emi@ plugland said cominci; being sullicicii plug, a Spring cpntact ha'v j jaw/s extemlto. @vercorg lli@ 'esloii of Said spi-ing as 1mg in the directwi of lli-e of the plug; Said plug 1s Wltliclilmvu, mail u supplemental 6o z), suppoyttherefor located. in proximity' to spring @lectically connected 'lo said Contact the 'mouth of said jaws, a, carrier' fr said. and'. having l Sliding engagement with au Contact inerposd betwel Said coi'uaeb and udjzment po'lion of said eircui'r.

said Sugg-mii, Suid carrieijbeing swim-med i0 f1 in ziplug ecpliacle, lle comblnatiml sind slimwrt so 'to bf; transversely mow nl a suppclr, a contact., a plaie cm1-mil by 55 abl. s, hauled l l support, snid'cutact navi 4h ln. ziplug .imrich7 the combiiM-ian of :L @iii extending heeiw thi-@ugh plate plug, a, spring rommel having' aWs ez'indmi@ @Spring sui'mmiding will pin beweii :mg in the iii'ectiioil @it ih@ @f tllejplug? smal plats. and the li ul al" p11*., 3Q and Sippm'l; therein lgcated in pioxn "1y im n plug me@ filiali?, the mnibmnlion if@ l@ the mouth-of Said 3mm, a, carrier fm? :will @ilE a supgm :i @mi 5l, llzmges operatively uonm inlmpffecl helnwein. will contammnl cmmacileil lo suifl cilllclx azul ex'ezuling nl; said swppt, Said amitier heilig con@ ated e lo lli@ Gl? Suid umiliati? me voli to sflifl Supjsvoil; as il@ be 'bmisvsi'ely said l lil-ms exgaginc5 support, und L l movable, :said ma having fewo flammes-@11 "-\.,v.'zfffil 'fw @tin flange :mil :will opposailieides @i Maidsupf'wi't5 21ml :i s ring 'suppm=l:. inelposefl luetw i1-ame 0f Said l'lang/ud. lil'lllllfl L''flilrll'-" vWilp? mid sa n ai Si' 'Ply 'Elle mmlamallmi a l2.

l 5., @if 10 plu a @intact hav;

,L S'-LfNN? 11g an @peiling extending v J. T. CLARKE.

ballen/: 9695387, gi'mid meptember i3,

oufa; will tha/E; im .esid Lamers paient Should. :remi u li i'rection therein' lm-Ll f 1 Mmmm Correctionm It is hereby certified that in Letters Patent No.v 969,787, grnnted September 13, i910, upon the application of Henry E. Leppert, of New Britain, Connecticut, for an imprm'einent in Pl11g-Swtches, an error appears in thr: printud specification requiring cnrrection as fo1loWs: Page 2, line L the word urtlri." should read aur; and that the said Letters Patent. shnud be read with this umn-action therein that the same may conform 'to th-e record cgf the case in the Patent, Oce.

'Sgnd and sealed'ths 4th day Q'f October, A. D., 1910.

E. B. MOORE,

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