US1150066A - Pocket flash-light. - Google Patents

Description

F. M. ROSENFELD.

POCKET FLASH LIGHT.

APPucATxoN FILED MAR. 1o, |915.

1 150,066` f Patented Aug. 17, 1915.'

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4 UNITED srarns PATENT OFFICE.

Fri/.ANUIES M. ROSENFELD, F NEW YORK, N. Y., ASSIGNOR TO IMPORT l A CORPORATION 0F. NEW YORK.

SALES COMPANY,

. ocxn'r FLASH-LIGHT.

Specification of Letters Patent.

'Patented Aug. 17, 1915.

Application fried March 1o, 1915. serial No. 13,319.

To all whom it may concern Be it known that I, FRANCIS M. RosEN- FELD, a citizen of the United States, and a resident of the borough of Manhattan, city, county, and State of New York, have 1nvented certain neW yand useful Improvements in Pocket Flash-Lights, of which the following is a description.

My invention relatesto portable electrlc flash lights and particularly to such devices which are lsmall in Size and are adapted to be carried in th pocket in the same manner as are pencils, ountain pens, etc.

The object vof my invention is to provide such av device, which will be small and .cornpact and. which shall be provided w1th a circuit making device, which cannot be accidentally operated to close the circuit.

It is also an object of my invention to make use of the circuit closing device as a means for retaining the iash light in the pocket.

AIn the drawings, Figure 1 is an elevation of my improved device; Fig. 2 is also an elevation taken at right angles to. Fig. 1; 'F ig. 8 is a longitudinal sectional yleW; and Fig. 4 is a transverse sectional View, taken on `the line 4.-4 of Fig. 3.

some other conducting material.

' rial, such as is shown at'14.

Referring to the drawing, represents the casing which is preferably of metal or Within this casing is a vbattery 11 of the type com- .monly used in devices' of this character, having at its lends the terminals 12, 18.

This battery is preferably insulated from .the casing by a coating of insulating mate- The reflector 15 is removably secured inv [one end of the casing in any suitable manner, as for instance, by the bayonet joints indicated at 16.y The reiiector serves also as' a socket, into which the base of the lamp:

17 may be screwed. l/Vhen these parts are "in the lposition shown in Fig. 3, the ,clrcuit runs from the-terminal y12 of the battery through the lamp vfilament and reflector to the casing and thus the casing may be said .to form one terminalof the lamp circuit.

Referring now to the other end of the-battery and casing, 18 de`signates a suitable cap, which maybe removably secured to the end ofthe casing in any desired manner, as for example, as shown at 19. Some suitable means, such as the coiled spring 20 for contact with the terminall of thefbattery l secured .to the inner side of the cap, but is insulated therefrom by some suitable means,

such as the Washer 21 of insulating'material. Secured to the. outside of the cap is the L- shaped spring clip 22, which is insulated' from the ca by the washer 23 of insulating material. ome suitable means, such as a rivet 24'is employed for securingboththe spring 2 0 and the clipv .22 4to lthe c ap 18,

This rivet serves tok electricallyl connect the" clip and spring and it should be insulated from the cap 18 by some suitable means,'as

`that the spring clip 22 is connected through the spring 20 tothe other terminal of `the battery and thus forms the other terminal of the electric lamp circuit. Therefore when an electrical' contact between the casing 10 and the clip 22 occurs, the circuit 'through the lamp Will be completed.

The spring clip 22 not only serves as a circuit closing device, but also as a means for retaining the flash light in the pocket. F or this reason it is preferable, though not necessary, thatl this clip should be normally spring pressed into physical .contact with the casing or with some projection on the casing. In the device shown herein, I provide the free end of the spring clip with an insulator 26 which is normally in physical contact with the casing, but which4 prevents electrical contact between the clip and casing. 'When it is desired to close the lamp circuit, it is merely necessary'to apply force with the thumb atan intermediate point in the spring clip to' cause contact between such point and the-casing.

,merous other ways, as will' be readily understood.

The'operating of my improved device should be apparent Ifrom the foregoing.

It is obvious that the spring clip, which is normally pressed toward the casing, will effectively retain the device inthe pocket,

.is also clear that in the preferredform of my invention the lamp circuit .cannot be accidentally closed, either when the lamp lis inthe pocket or when it is removed therefrom, since it requires a certain degree of force to effect Contact between the inter-.

mediate portion of the clip and the casing.

While I have disclosed one particular embodiment of my invention, I do not wish to limit myself to this embodiment, which is shown merely asan example of the many forms which my invention may take. Obviously many changes may be made by those skilledv in the art, Without departing from the spirit of my invention.

What I claim is :4

1. In 'a device of the characterdescribed provided with `an electric circuit, includingr abatteryand lamp, a combination of a casing, of conducting material forming one terminal ofthe circuit and a spring` clip adapted to retain the device in the pocket and forming the other terminal of the circuit, one vend of said clip being?r supported by, but insulated from, the casing and the other end thereof being normally in physical contact with, but insulated from, the

casing, said clip being adapted to be manually forced at a point intermediate 1ts ends' into electrical contact with the casing to complete the circuit.

2. In a device of the character described, provided with an electric circuit, including a battery and a lamp, the combination of a asing of conducting material forming one l a. battery and. a lamp, the combination of a casing,- of conducting material forming; one terminal of` the circuit and an Lsbaped spring clip forming the other terminal of the circuit, one end of said. clip being connected to, but insulated from the casing, and the other end thereof being normally spring pressed against the casing and provided with an insulator to insulate itself therefrom, said clip being so constructed that its intermediate portion may be manually-forced inte contact with the casing to complete the circuit.

l. In a device of 'the character described, a casing of conducting material, a battery within said easing, and provided with a terminal at either endv thereof, a. lamp mounted in one end of the casing and electrieally connected to one terminal of the battery vand to the casing, a cap mounted at the other end of the casing-and a spring clip one end of which is secured to and insulated from said cap and electrically connected to the other terminal of the battery, the other end of said clip being'normally in physical contact with, but insulated from the casing, said clip being adapted to be manually Iforced at a point intermediate its ends into electrical Contact with the casino', to completethe circuit through thelamp.

In a device of the character described, a casing of conducting' material, a battery within said casing, and provided with a terminal at either end thereof, a .lamp nmunted in one end of the casing;r and electrically connected to one terminal'of the battery and to the casing, a cap mounted at the other end of the casing, and a springr clip one end ofv which is secured to and in Sula-ted from said cap, a coiled springr also secured to and insulated from said cap and electrically connecting the clip with the other terminal of tbe battery, the other end of said clip being normally in physicai contact with, but insuiated from the casing, said clip being adapted to be manually forced at a point intern'iediate its ends intoelectrical Contact with the casing to complete 'the cir'- cuit through the lamp.

In testimony' whereof l have signed this specifica tion in the presence of two subscrib ing witnesses.

FRANGS M.. ROSEN l lGLD.

Witnesses ANNA Maarn WALL, IVALrun S. Jones.

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