US1590541A - Automatic contact device for use in pocket lamps - Google Patents

Description

June 29,1926( 1,590,541

F. R. PANIC) AUTOMATIC CONTACT DEVICE FOR USE IN POCKET LAMPS Filed August 15, 1923 Fig: 1 3

In wenrar FE? Fai/r/fi Patented June 29, 1926. q

UNITED STATES PATENT OFFICE.

FRANS ROBERT rilvlo, F RAISIO, FINLAND.

AUTOMATIC CONTACT nnvxon FOR USE IN POCKET LAMPS.

Application filed August 15, 1923, Serial No. 657,626, and in Finland March 28, 1923.

This invention relates to a contact device guide member 14, apertured atits two ends for electric circuits in general, and more 14 and 14: and at its central portion 14, particularly, for pocket lamps. to slidably receive and guide switch as A defect in contact devices of electric shown in Fig. 2. The end 11 of switch 10, 5 pocket lamps is that the circuit is often is cut off obliquely as at 15 to coact with a closed while the lamp is not in use. looped spring click portion 16 formed near Furthermore, the devices now in use are the end 1% in the guide 14L often rather .itiicult to manipulate. The switch 10 is suticiently heavy to auto- One purpose of the present invention is matically operate, the switch sliding in- 10 the elimination of the above defects, and the wardly and outwardly of the casing, under invention resides chiefly in having the con the influence of its own weight, when held tac member of such a type that, by reason in position for such operation of its own weight, it can move freely against If desired to hold the switch in circuit the closure or contact point and, in similar opening position, so that it ill not operate 15 manner, away from the contact point when automatically under its own weight, the the lamp is in a given position, thus closing switch is pushed back beyond click member and opening the circuit by its own weight. 16 to the position shown in Fig. 3 where- Further, the external part of the switch is upon the click 16 snaps over the end 15 of connected with the contact members in such switch 10, and holds the switch in open posi- 20 a manner as to move freely with this part, tion, until it is again positively moved from the direction of movement being away from, such position. Normally, when operated by and toward the casing for respectively closits own weight to opening position the ing and opening the circuit. Hence, on GX- switch member is held from passing back ternal contact with an operating member, of the click member by click 16, bearing the contact member is moved back from the against the curved portion of end 11' of closure position and the circuit in the lamp switch 10. Vith the switch in circuit clos is opened. ing position as shown in Fig. 2, a circuit One embodiment of the invention is ilis formed from the source 7, through conlustrat-ed in the accompanying drawing tact 8, switch 10, casing 1, contacts 5 and so 30 wherein, 6, and member 9, back to the source.

Fig. 1 is an elevation of a pocket lamp ac Having described my invention, what I cording to this invention with a portion claim is of the casing removed. A contact device for pocket lamps, com- Figs. 2 and 3 are plan views, showing the prising, a casing, an electric circuit therein, 3:} device with closed and with open circuit, and a switch in the circuit, the switch being respectively, the front lamp cover being rcweighed, whereby to freely move under the moved. sole influence of its own weight, when held The device includes a casing, with the in proper positions, for opening and closusual front cover 2, and lens 3. WVithin the in; the circuit, said switch being supplied 4o casing, and behind lens 3 is an incandeswith an operating button exterior of the cent bulb 4t, fitted with contacts 5 and 6, casing, for manual operation when desired, for connection with a source of electric cur- Said ch moving inwardly of, and out rent 7. The current source 7 has leads 8 q y C S 1g, for breaking and d 9 f connection ith th t t 5 making the circult respectively, and means (5 16 ti l coacting w th the switch for locking the Positioned in the upper end of the casing, FQ agamst autofnatlc molement P is a slidable switch 10, formed in an open P operatlon 0t h y 10013 One d 11 f hi h i lid b i the ton to 1ts 1nnermost position 1n tliecasing. casing at 12, and extends to the exterior In tesblmony Y f I have slgned y thereof, to receive an operating button 13. name to thls Speclficatlon- In one side of easing 1, is a U-shaped spring FRANS ROBERT PAIVIC).

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