US567531A - Holder for electric lamps - Google Patents

Description

(No Model.)

W. s. ARNOLD. HOLDER FOR ELECTRIC LAMPS.

Patented Sept. 8, 1896.

THE NORRIS FETER$ cu, Puo'rouma" WASHINGTON, nxc.

UNITED STATES PATENT OFFICE,

\VILLIAM S. ARNOLD, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR TO THE ARNOLD NOVELTY COMPANY, OF TACOMA, IVASHINGTON.

HOLDER FO R ELECTRIC LAMPS.

SPECIFICATION forming part of Letters Patent No. 567,531, dated September 8, 1896.

Application filed March 17, 1896. Serial No. 583,584. (No model.)

To all whom it may concern: In making the support or bracket I provide Be it known that I, IVILLIAM S. ARNOLD, a as a base or body of the support a number of citizen of the United States, residing at San wires having considerable rigidity, and yet Francisco, in the county of San Francisco and sufficiently pliable to be readily bent into the State of California, have invented certain new form desired 5 5 and useful Improvements in Holders for Elec- I have shown the core or body as consisting tric Lamps; and I do hereby declare the folof a number of wires at. These wires may lowing to be a full, clear, and exact descripbe of soft copper or other pliable material tion of the invention, such as will enable othand may be covered with any suitable insuers skilled in the art to which it appertains lating-covering, as a, or what is known in the to make and use the same. art as underwriters wire. These wires are My invention relates to supports for electwisted about a central spiral coil of wire a trio lights; and it has for its object to provide to form a substantial core orbody which shall a simple, cheap, and effective support for an be able to practically support the lamp and I 5 ordinary incandescent light or similar device hold it in the position desired. a '6 5 which, while being flexible and capable of be- It will be understood that any number of ing turned or bent to cause the lamp to assume wires may be employed for said core, the numvarious positions and relations to its supporther being governed by the cause for which ing-base, is still sufficiently rigid to properly they are used, the essential feature being to 20 hold and maintain the lamp in the position in form a body having the proper degree of pliwhich it is placed. ability and at the same time having sufficient To these ends my invention consists in a rigidity for the purpose intended. flexiblesupportor bracket embodyingthe fea- The conductors b 1) preferably consist of tures of construction and arrangement subcopper wires covered with suitable insulating 2 5 stantially as hereinafter more particularly material b b, and are connected to the terinipointed out. nals c c of the socket and pass, preferably, Referring to the accompanying drawings, through the passage formed by the spiral coil Figure 1 is a side view showing the various a This core is then tightly covered with a features or elements of construction going to binding, as insulating-tape e, which is shown 0 make up the holder, it being mounted in a as being wound spirally over the body of the socket shown in section. Fig. 2 is anenlarged core. The Whole is then further covered with transverse section of the preferred form of any suitable braided or ornamental covering. embodiment, and Fig. 3 is a side elevation The above-described core constitutes my showing the various features or elements of preferred form, but I also contemplate form- 3 5 construction going to make upamodified form ing a core in the following manner: of holder. A number of insulated wires, preferably In the ordinary use of incandescent electhree, are twisted together to form a substantric lamps it is often desirable to adjust the tial core or body of sufficient rigidity to suplamp in some convenient position where the port the lamp in any desired position.

40 best illuminating effects can be obtained, and The conductors ff, preferably of insulated 0 means heretofore have been suggested for atcopper wire, are connected to the terminals taining this object and providing a flexible o c 7 of the socket and are wound spirally support or bracket which shall be adjustable around the core, fitting closely in the recesses but still be of sufficient rigidity to maintain between the wires of said core. It is desir- 45 the lamp in the position placed, and at the able to strengthen this core, especially at 5 same time shall supply a current to the lamp. the end at which it is supported, and I there- By my invention these objects can be obfore applythereto two or more strengtheningtained in a thoroughly practical manner, in wires 01 d, which are preferably twisted and a simple, substantial, and effective structure, formed so as to lie in the recesses of the core.

50 and at little expense. These wires 01 d are of different lengths, the loo wire (1 extending about one-third and the wire (1 two-thirds of the length of the support, which in this case is about eight inches.

Longer supports of course require more strengthening wires. By using different lengths of wire the support bends evenly its whole length, and such construction prevents the support bending at its point of contact with the socket K, thus remedying a defect incident in prior brackets.

The whole core, with the conducting-wires and the strengthening-wires, is then preferably tightly covered with a binding, as insulating-tape c, which is shown as being wound spirally over the body of the core and conductors and serving to hold them in place, but at the same time permitting them to bend and assume the positions desired.

The whole core can further be covered with any suitable covering f which may be braided onto the core, or which, as in the form shown, may consist of an ordinary gas-tubing or phonograph speaking-tubing as usually found in the market, and this tubing may or may not have the spiral wire 9. The inside wire, however, renders it an easy matter to screw the tubing upon the core and assists greatly in holding the tubing in place, in addition to preventing angular bends in the support. The tubing usually comprises a body h, of rubber or like material, over which are one or more coverings t, or braided or otherwise applied material. This tubing or covering furnishes a finished appearance to the bracket or holder and assists in maintaining the parts in proper relation to a greater or less extent, and also insures a thorough insulation of the holder.

Either of the above-described holders may be applied to a suitable socket 7c and the conductors connected to binding-posts therein, or it may be secured to an electrolier or other support, and a lamp may be adjusted to its free ends, the lamp-terminals being secured to the conducting-wires in the ordinary way.

By my construction of core shown in Fig. l I am enabled to provide a free passage for the circuit-wires from which they can be instantly removed for repairs or the insertion of new ones.

While l have described and illustrated the preferred embodiment of my invention and its use as an electric-lamp support, it is evident that the holder can be used for other purposes, and that the device may embrace other details of construction and arrangement without departing from the general principles set forth, but when constructed in accordance with my invention it forms a simple, cheap, and substantial holder or bracket that is well adapted for the purposes intended.

Vhat I claim is- 1. A flexible support, the core or body portion of which comprises a number of ductile wires twisted together, and having the conducting-wires twisted and laid in the recesses between the wires forming the core, and having strengthening-wires also lying in said recesses, substantially as described.

2. A flexible support, the core or bodyportion of which comprises a number of wires twisted together, and having the conductingwires twisted and laid in the recesses between the wires forming the core, and having strengtheningwires also lying in said recesses, substantially as described.

3. A flexible support, the core or body portion of which comprises a number of wires twisted together, and having the conductingwires twisted, and laid in the recesses between the wires forming the core, the whole being surrounded by a covering, substantially as described.

4. A flexible support, the core or bodyportion of which comprises a number of wires twisted together, and having the conductingwires twisted and laid in the recesses between the wires forming the core, a tape wound spirally around the wires and a tubing surrounding the tape, substantially as described.

5. In a flexible support for electric lamps, a core comprising a number of wires twisted together, conducting-wires laid in the reoesses between the wires forming the core and strengthening-wires interwisted with said core-wires, and being of different lengths, substantially as described.

6. In a flexible support for electric lamps, the combination with the solid core composed of a number of wires twisted together, of the conductors twisted and laid in the recesses between the wires forming the core, strengthening-wires surrounding the core, a tape covering outside the same, and a tubing en1bracing the whole, substantially as described.

In testimony whereof I hereunto aflix my signature in presence of two witnesses.

\VILLIAM S. ARNOLD.

lVitnesses:

N. A. ACKER, LEE D. CRAIG.

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