US1196950A - Lighting apparatus. - Google Patents

Description

' E., A. H AWTHORNE LIGHTING APPARATUS.

APPLICAHON'FILED MAR. 24. 1913.

Patented Sept. 5, 1916. I

IIIIIIF" 4%: [III ELLSWORTH A. HAWTHORNE, F BRIDGEPORT, CONNECTICUT:

LIGHTING APPARATUS.

To all whom it may concern:

, Be it known that I, ELLSWORTH A. HAw-- 'rnounu. a citizenof the United States, and a resident of Bridgeport, county of Fairfield, State of Connecticut, (whose postotlice address is 35 Spruce street, Bridgeport, COnnectiCut,) have invented an Improvement in Lighting Apparatus, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

This invention relates to lighting apparatus and more especially, though notexclusively, to tail lamps for motor vehicles and more particularly motor cycles.

My invention will be best understood by reference to the following specification when taken in connection with the accompanying drawings of one illustrative embodiment thereof, while its scope will be more particularly pointed out in the appendedclaims.

In the drawings: Figure 1 is a vertical sectional view partly in elevation of one j a number plate. The lamp chosen for purform of lighting apparatus embodying my invention, the electric generator and wiring of the generator circuit being shown diagrammatically; Fig. 2 is a sectional view on line 22 of Fig. 1, looking in the direction of the arrows on said line; and Fig. 8 is a plan sectional view on line 33 of Fig. 1.

Referring to the drawings'and to the embodiment of my invention which I have selected for illustrative purposes, I have there shown a tail-lamp which is arranged to show a red light at the rear as well as to illui'ninate poses of exemplification comprises a lampcasing 5 provided at its rear with a lighttransmitting element 6 herein in the form of a so-called red jewel, while the bottom of the casing is provided with a lighttransmittingelemcnt 7 herein in the form of a sheet of clear transparent glass orother transparent substance. These light-transmitting elementsmay be fitted into suitable apertures in the lamp-casing in any appropriate manner. Preferably the element 6 is mounted in the lamp-casing in such a manner as to b conveniently removable to renderthe interior of the lamp-casing accessible.

Within the lamp-casing are two suitable lamps 8 and 9 preferably electric incandescent bulbs having difi'er'ent candle-powers.

' The lamp 8 having the greater candle-power is connected in circuit with a suitable elec- Speeifieation of Letters Patent. Patgfltgd Sept, 5, 1916, Application filed March 24, 1913.v Serial No. 756,493.

tric generator 10 of the character usually employed on motor vehicles and driven by the engine. In the use of motorcycles it is desirable and in fact quite customary to stop the engine when the cycle is at rest. Under these circumstances, the engine-driven generator would cease to supply the necessary current to the lamp. As a means for fur nishing the required light in order to com ply with the law, I provide the low candlepower lamp 9 in circuit with a suitable battery 11, preferably adry battery.' The latter is herein mounted in a battery-casing 12 preferably secured to the lamp-casing 5. A suitable bracket 13 may serve to support both casings.

In. the present instance, the lamp 9 extends through the wall of the lamp-casing 5, through the bracket 13, and through the wall of the battery-casing 12. One terminal 14:

of the lamp 9 is electrically connected through the metallic casing 12 to a terminal .vided on the end of the'battery casing serves to force the switch 18 into contact with the terminal 19 to completethe battery circuit.

By this means, it' the generator should be stopped, or if an accident should occur to v the generator circuit of the system the lamp 9 may be lighted so as to enable the userto comply with the law. By. providing a lamp of low candle-power for the battery circuit the current consumption is low and the lamp may be operated very economically.

While the lamp 8 may be mounted in any other appropriate manner, it is herein fitted into a socket 9.2, and the latter extends through a clamping collar 23 formed as a part of the lamp-casing and provided with a suitable clamping screw 24. By s this means thela'mp socket is rigidly mounted in the lamp-casing in such a manner as to be readily removed and replaced.

hile I have herein shown and described one form of my invention for illustrative purposes, and have disclosed and'discussed in detail the construction and arrangement- 1nc1dental to one specific embodiment thereof, it is to be understood that the invent-ion islimited neither to the mere details nor.

relative arrangement of parts, nor to the I specific embodiment herein shown, but that extensive deviations from the illustrative form or embodiment of the invention may be made Without departing from the'principles thereof.

- Having thus described one embodiment of my invention, what I claim is 1. A lighting apparatus for a vehicle comprising, in con'rb natlon, a lamp-casing havlng provision for the transmission of light through its rear and its bottom, two lamps of different candle-powers within said lampcasing and both arranged to shed their rays through the rein and bottom of the casing, separate means for furnishing a lighting supply of the same character to said lamps,

and means at will to cut ofi" the supply from one of said lamps. I

2. A lighting fixture for vehicles comprising a lamp casing, a battery casing secured .to'i'said lamp-casing, a low candle-power ELLSWORTH A. HA lVTHOR NE.

\Vitnesses I LOUIS A. JoNics, CLARA L. STUART.

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