US1784820A - Electrical switch - Google Patents

Description

Dec. 16, 1930.

J. H. COHEN 1,784,820

ELECTRICAL SWITCH Filed Dec. 18, 1924 26 I VINVENTOR JOSEPH H.COHEN.

ATTURN EY .35 a heating unit 11 having a ferrule 12 and a when the latter is compressed.

. gaging the housing. The heating unit 11, and spring are assembled in theshell by spin- PatentedDec. I

arosnrn I-I. COHEN, or smasher.ctiieaqn uei f "if? i nnno'rmoan swrrcn i Application filed December 18.1954. amiss; mild. I 1 This invention relates to circuit controlling resistance element; 14, but only \vhenthe devices ,and more particularly'to manually switch is operated as will nowb'e describedlYs operable switches of the push-button type. a The switch of this invention comprises a An object of this invention is-to provide a longitudinallymovable .pin :17 having a fin v switch which is easily and economically conger-piece'or butt01r18 formed 'integralwith 55" f structed and assembled, fool-proof in use, neat one end thereofl The pin and button areslidin appearance, and which may be made unably mounted in a shell 19 fixed to the-housing usually small. 1 I I Another object is to provide a switch which wardly to engage the ferrule 12 on theheating so that the end ofthe pin 17 may be moved in v 16- may form a permanent part of a device or fixunit and thus cause current to flow through w I ture to which it is'desired to affix a switch. the resistance element 1 1, by connecting the Other objectsand advantages will herein: ferrule to the housing 10. r a f after appear. r x Preferably, the shell 19 has a reduced nip'-.

In the accompanying drawingsiwhich show ple 20 which is adapted to extend through a 2 by way of example several physical embodisuitable hole 21intheho-using1O and beyond; ments of this invention, l the inside surface of the same where the part Figure 1 is a sectional view on a large scale 23 01" the nipple which protrudes beyond the of one form of switch device made in accordhousing is. headed over until the shell 19 is ance with this invention, andshown as apcoi finedtotheh'ousingbetweenthe flange24, 20 plied to a cigar-lighter. 1 7 formed by the reduced nippleyand the beaded Fig. 2 is a disassembled perspective View of ever part 23. I i 1 1 the parts constituting the switch device shown The button is spring-pressed outwardly to in Fig. 1, the parts being shown in the forms a position where its inner end is removed from they have before the device is-assembled. the part which it engagesto close the circuit, 25 Fig. 8 is an exterior View of the device in this case the ferrule 12.1'Ilhisis preferably shown in Fig. 1 as aflixed to a cigar-lighter. done, according to this inventioniby s coil Fig. 4 is a view similar to Fig. 1 but showing spring 25 having one "end bearing against the a modification. i s flange 2 1 andfthe other end bearing against The push-button switch device shown in the button 18.- To allow a maximum move-T 1 00 Fig. 1 is adapted to be affixed directly to a dement of the button 18,-thatis', su'ch'niovement- "8c vice with which it is tobe used, forinstance to 1 as will cause'the button to engage the flange the housing 10 of the cigar-lighter shown in 24: without interference with the spring 25,tlie 1 Fig. 1. In the cigar-lighter the switch is button is undercut at 26 tosuch an extent as adapted to control the flow of current through to be capable of receiving the entire spring 25 central contact 13 severally connected tothe The button 18 is guided for movement in ends of a resistance element 14 in the heating theshell 19 by a flange 27 located on the but unit 11. ton at its inner end and engaging the internal In the particular device shown, the central wall of the shell. This flange 27 alsoserv 'es contact 13 is normally engaged with a contact to limit the outward movement of the button 15 in the housing 10 connected to one wire of to define its normal finactive position, for a. current-carrying cable. The other wire of the flange is adapted in such position to enthe cable is grounded on the housing through gage a flange 28 on the shell 19. This flange a shell 16 soldered thereto and electrically en- 28 is produced on the shell 19 after the button 5 which is made of lava, is so positioned in the ping or swedging the forward end of theshell housing as to maintain the resistance element inwardly. 1a and the ferrule 12, normally out of electri- It will be noted thatby this arrangement a cal engagement with the housing. Hence, complete telescopic relation is established be- 5 current does not normally flow through the tween the shell 19 and the button 18., that-the in the plate.

flange 27 or the button is located in confined chamber inthe shell 19, and that" \vhen the parts are assembled theybearafixed and per manent relation with one another and cannot become disarranged or fail properly to tune.

tion.

As shownin sum shell 19 naayQbeaffixed toanysuitable part eithendirectl-y upon anartic'le as shown in Figs. .1, 2 and 3 01" in directly, as upon a plate 30 for instance, which i in turn may be fastened'uponan articleby stricting the rear end of the chamber to prevent the fiangefrom being drawn through the rear end of the chamber and a pin on said but ton adapted to extend through said nipple to operating position. 4 A

Signed at Bridgeport, in the county of F airfield, and State of Connecticut, this-11th dayofDecemberl,1324. x

JOSEPH'H. COHEN.

rivets or screws 31 passing through holes 32 p The parts are preferably assembled in the following manner: The nipplcjQO-of the shell 7 19 is placed in the hole 21in the housing 10011 other part tokwhich it is to be attached,v as for instanceintheplate'30 .in-th'e form shown in Fig.4 onthealevice proper as in the. form --sh0wn in Figs; 1 2 and Thenthenipple is.

bBtfl-ClGClJOVGI to securely fi qtheshellto the 5 part on which it is mounted. Thenthe spring 25 is pressed .on the .pin l'land the pin is slid intothe shell and through the nippleQl). The i 1 button is then depressed-until thefiange2K thereonisnear -flange Qbon the .shell. And

finallythe flange 28 is formed on the shell 19. by spinning overthe end of theshell. 7

It should be understood that the. invention is not limited to-the disclosed use .ina ciganelighter but-that its; field ofapplication is broad. c g e Variation and; modification maybe resorted I to withinthe scope ofthis invention and por; tions of theimpro-vem'ents may be used without other. v V NVhat; is claimed as new-, and for which'it is desiredto obtain-Letters Patent, is T 1. Apushbuttonswitch device comprising;

a shell having a confined chamber atone endand an integral redu'ced nipple.:at. the other end adapted to be inserted. in an -=opening adapted to receive it andto beheaded over the periphery of-said opening to secure the shell:

therein; and a buttonslidably;mounted in said shelland having means fo-rinedintegraljtherewith in the confined chamber-for retaining the button to the shell. I V r V 2. A push-button switch device comprising a shell having a chamber at one endand having an opening at its front end adapted to be confined by beadlng over the material of-"the over the periphery of said opening to hold the shell to the supporting device; a portion of. the reduced nipple. constituting means for re--

Images