US1398799A - Flashlight - Google Patents

Description

A. C. BECKER.

FLASHLIGHT.

UNITED' STATES PATENT OFFICE.

ADOLPH C. BECKER, OF OAKVILLE, CONNECTICUT, ASSIGNOR TO THE CHASE COMPANIES INC., OF WATERBURY, CONNECTICUT, A CORPORATION.

FLASHLIGHT.

Specification of Letters Patent.

Patented Nov. 29,1921.

Application led February 28, 1921. Serial No. 448,692.

To all whom t may concern:

Be it known that I, AnoLPH C. RECKER, a citizen of 'the United States, residing at Oakville, inthe county of Litchfield and State of Connecticut, have invented a newv and useful Improvement in Flashlights; and I do hereby declare the following, when taken in connection with the accompanying drawingsand the charactersof reference marked thereon, to be a full, clear, and exact description of the same, and which s aid drawings constitute part of this application, and represent, in

Fi re 1, a view in side elevation of a flash ight constructed in accordance with my invention.

Fig. 2, an enlarged view thereof in central longitudinal section, with its telescopic cover in its normal or extended position in which the circuit through the lamp is open. l

Fig. 3, a` corresponding view with the cover and cell telescoped to close the circuit through the lamp.

Fig. 4, a view in transverse section on the line 4 4 of Fig. 2.

My invention relates to an improved flashlight, the object being to mount` the lampcarrying means directly u on tl1e cell itself, and thus produce a Simp e, light, compact, convenient and effective. lamp at the very minimum expense.

With these ends 'in view, my invention consists in a flashlight having lamp-carrying means telescopically mounted directly upon the cell itsel My invention further consists in certain details of construction and combination of parts as will be hereinafter described and pointed out in the claims.

In carrying out my invention as herein shown, employ lamp-carrying means consisting of a cylindrical sheet-metal cover I5 having its outer edgeturned inwardly to form a retaining-flange 6 conlining a lens 7, the inner edge of which lrests upon a reflector 8, having a concentric threaded sleeve 9 receiving the threaded stem 10 of an incandescent lamp 11 having a terminal 12. A rubber tube 13 encircling the threaded sleeve of the reflector engages at its outer end with the inner face of the reflector, so as to hold the same in position within the telescopic cover 5, while the inner end of the tube lits snugly over the projecting end of the carbon electrode 14 of the." cell and rests upon the seall or closure 15'` thereof. The electrode .14 and closure 15 form features of an ordinary dry' cell also comprising a zincv cup 16 and an electrolyte 17, which latter surrounds the elect-rode 14 and is confined within the zinc cup by .the closure 15.

At its inner end the telescopic-cover 5 is formed with inwardly projecting circumferential assembly-threads 18, which coact with corresponding but outwardly projecting assembly-threads 19, formed in and slightly offset from the edge of the cup 16.

The said threads 18 and 19 provide for mounting the cover 5 upon the cup 16 and retaining it thereupon, while, at the same time, providing for the telescopic movement of the cover and cell with respect to each other. Normally the yrubber tube 13 exerts a constant outward pressure against the reliector 8, which in turn pushes outward upon the lens 7, which in'turn similarly acts upon the cover 5,V to hold the same in its extended position, in which the innermost of the threads 19 in the cup 16 of the cell coact with the outermost of the threads 18 in the cover 5 to form a stop, preventing' the cover and cell from separating. To light the lamp the cover 5 is longitudinally compressed with suflicient force to telescope it over the battery-cell 16, and so deform the tube 13 suiiciently, as shown in Fig. 3, to permit the lam4 -terminal 12 to be brought into contact with theadjacent end,v of the electrode 14 and so close the circuit throu n 'the lamp. The contact thus established epends upon the maintenance of such compression, so that the moment that compression is removed, the rubber tube 13' reas! serts itself'and pushes the cover outward 4into its normal or extended position, in

' opening positions,

my invention being characterized by a flashlight in which lampcarrying means are telescopically applied directly to a cell.

I clalm: 1. A flashlight means adapted to having its lamp-carrying be rotatably applied and 1 thereafter telescopically mounted directly said cup, the said cup and cover. having assembly-threads which engage with an pass by each other and act as a stop for the cover, a lamp carried by the cover, and means for yieldingly maintaining the'cover in its extended position in which the lam terminal is held out of contact with tg said electrode.

4.- A flashlight compri zinc cup and an electrode, a cover telescopically mounted directly upon 'the cup, the said cup and cover having assembly-threads adapted to pass by each other and to act as a sto for the cover, a lamp and a reiector t erefor carried by the cover, and yielding means interposed between the re- Hector and cell for normally maintainin the cover in its extended position and the imp and electrode terminals out of contact.

In testimony whereof, l have signed this specification in the presence of two subscribing witnesses.

ing a cell having a ADOLPH C. BECKER.

Witnesses:

JOHN S. NEAGLE, JOHN W. HARD.

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