US1117270A - Lighting-fixture. - Google Patents

Description

Q E. G. SOFIO & L. SGHEPMOES.

Patented Nov. 17', 1914.

INVENTORS WITNESSES brouck Heights, county. of Bergen, and

; UNITED STATES PATENT OFFICE.

EDWARD C. SOFIO, OFEIO IBOKEN, AND LTNDSLEY SCHEPMOES', OF HASBROU'CK HEIGHTS.

NEW JERSEY, ASSIGNOBS TO SAFETY CAR. HEATING &LIG1-I'IING COMPANY, A 0011- Y PORATION on NEW JERSEY.

citizen of the United States, residing in Hobolren, county of Hudson, and-Stateof New Jersey, and LINDSLEY SmrnrMons, a citizen of the Unlted- States, residing -1I1 Has- State of New Jersey, have invented new and useful Improvements in Lighting-Fixtures,-

1? which the following is a (description. Our nvention pertainsto that class of lightingfixtures adapted to adjustably hold an incandescent lamp in a fixed position in such manner that its position may readily be altered as will hereinafter more plainly appear. y

Figure 1 of the drawing is a vertical section of one form of lighting fixture embodying our invention. Fig. 2 is a vertical plan of the fixture shown in Fig. 1. ,Fig. 3 is an elevation of a portionof the fixture shown, in Fig. 1. Fig. l 1s a partial YQITtICZLl section showing in elevation some of the parts shown in section in Fig. 1.

Referring to the drawings, particularly Fig. 1, 1 represents a base plate which may be attached to .the member indicated at 2 upon which the fixture is supported and held in place as by screws 3. The base plate 1 is provided with the extension 4 which is preferably threaded and carries the sleeve 5 provided with the opening 6 through which the wires 7 may be led into the fix ture. The extension 1 is provided on its upper horizontal face with radial teeth 8 as shown particularly in Fig. 4 and indicated by dotted lines in Fig. 1. The sleeve 9, having the bore 10, is fitted snugly over the sleeve 5 and provided at its lower end with the flange 11, also having radial teeth engaging the teeth 8 and pressed downwardly thereupon as by means of the spring 12 carried within the sleeve nut '13 threaded upon the member 4: and provided with the flange portion 1% for engaging the said spring. The sleeve 9 has attached thereto the revoluble bctticoat 15 carrying the verticalv hollow 3 member 16 provided with an arm 17 having the corrugated head '18 upon which is fastened the bifurcated member 20v (see Figs. 1, 2 and 3) as by screws 19. The member 20 is engagement with the 3% by the Specification of Letters fatent. I Application filed June 14, 1911. Serial, No. 633,135.

above said engaging means.

LIGHTING-FIXT RE;

, Paaadm. 17,1914.

spring The member 20 also hasthc threaded portion 2 1 uponwhich is threaded the nlpple 25 carryingthe spring shadeeiigaging means 26 which may be pressed into engagement with the shade 28- as by. the

conical bonnet 27 threaded upon-saidv nipple 29. 's the lamp socket carried by the nipple 25 and adapted to carry the bulb 30. 29 is properly connected in an obviousmanner .with an'yexternaL circuit as by means of wires7. i. r

The operation ofourimprovedfixture is substantially as follows: With the base plate 1 fixed n'gidly in position as shown in Fig. 1

and the teeth 11 and 8 pressed into engagement by the sp'ringflg as shown,- the member 16" carrying the lamp cannot revolve unless suificient force be applied thereto. tocause the sleeve 9 to be raised against the spring 13 and the teeth moved intodifi'erent relative engagement and thus the lamp is-yieldingly locked in any position into which it may be revolved as, for example, when the center line of the arm 17 indicated at a b in Fig. 2 is swung into the position a-c in said figure. If it be desired'to change the angular position of the lamp 30 this may readily be accomplished by applying sufficient force in the direction desired to move the lamp to cause the spring bolt 92 to rise over one of the corrugations of the member 18 and fall into the next hollow and so on until the proper position is reached as, for

example, that indicated by dotted lines in Fig. 1. Thus it will be seen that the lamp tion into which it may readily be forcedwithout sutfering alteration due to vibration.

We do not wish in any way to limit ourselves to the exact details of construction nor so I,

to the exact mode of operation set forth in this specification and drawing which are given as one example of lighting fixture embodying the essentials of our invention, for

itis. obvious that wide departure in both may be made without departing from the and 'for holding the carrying members in 35 spirit and scope of our invention which is as set forth in the following claims to wit:

1. A lighting fixture comprehendinga! rigid supporting member; means permitting the same to be moved to a lateral position and foryieldingly looking the same in such respect to the supporting member.

position; means for carrying a source of illumination comprising a movable member mounted on said supporting member by meanspermitting it to be'moved at a rightangle to the movements of the supporting member; and means for yieldingly locking the carrying means in fixed relations with her with the extension member; means for yield-ingly holding the supporting member ."in definite positions of revolution; a member carried by said supporting member provided with engaging means; and means for carrying' a source of illumination movably mounted uponsaid member and provided with yielding means cooperating with said en-. gaging means' 3IA lighting fixture comprehending a base member adaptd to .be held in a fixed -'position'; a projecting member carried there'- by; 'a' carrying member carried upon said propectmg member and revoluble thereupon; yielding" means for opposing said revolution.

adjusted position; a swinging member supported by said carrying member; a source of i V illumination carried by said swingingmem-l her; and yielding means opposing the motion of said swinging member.

4. A lighting fixture comprehending a base member adapted to be held in a fixed position; 'a standard revolubly' mounted thereupon yielding means for opposing the revolution of said standard andfor holding it in ad usted position; lamp carrying means supported by said standard immovable relation thereto; and yielding locking means opposing the motion of said lamp carrying means, and for holding the latter in adjusted position.

5. A lighting fixture comprising a base; a. hollow member 'or support i'evolubly mounted upori said base; means between the base and support for yieldingly holding the two in adjusted position, and for permitting the two-to be moved for adjustment by force applied to one of them; anarm extending from the support, and means carried by said arm for adj'ustably holding a lighting fix ture in various positions relatively to the arm.

now. 0. some LiNnsLnY isonnraions.

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