US719574A - Portable bracket. - Google Patents

Description

No. 719,574. I PATBNTED FEB.3,1903.

A. FERGUSSON. PORTABLE BRACKET.

APPLICATION FILED SEPT. 4, 1902.

N0 MODEL.

-UNTTED STATES PATENT OFFICE.

ALAN ROBB FERGUSSON, OF MOUNT VERNON, NEW 'YORK, ASSIGNOR TO ELECTRO-MEOHANIOAL SPECIALTY COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

PORTABLE BRACKET.

SPECIFICATION forming part of Letters Patent No. 719,574, dated February 3, 1903.

Application filed September 4, 1902. Serial No. 122,048. (No model.)

To all whom it may concern: ing-surface, so that standard 4., screw 5, and

Be itknown that I, ALAN ROBB FERGUSSON, washer 6 are capable of being rotated on the a citizen of the United States, residing in seat 3 of the base 1. The upper end of the Mount Vernon, in the county of Westchester standard 4 is provided with a split, forming 5 and State of New York, have invented certain thereby two members 7, which by means of new and useful Improvements in Portable an adjusting or thumb screw 8 holds the col- Brackets, of which the following is a specifilar 9 by its shank 10 in any desirable posication. tion. The collar 9 is permanently fixed to This invention relates to portable brackets one end of a supporting-staff 11, which in the 10 such as used for supporting electrical transpresent case is shown to be rigid, although lating devices. the same may be flexible. Instead of one sin- One of the defects of the portable brackgle staff a plurality of telescopic members ets heretofore in use consists of the impossimay be used, or a rigid member may be combility of bending the supporting-staff below bined with a flexible staff, or telescopic mem- 15 the level of the base, so that, for instance, a 'bers may be combined with a flexible staff. lamp-bracket placed on the top of a roll-top In all cases it is preferred to have the staff desk holds the source of light too far away hollow from end to end in order to receive the and above the writing-surface. One of the conductingwires 15 for the translating deobjects of the present invention, therefore, is vice.

20 to obviate this defect; and the purpose of the In the present case a universal joint is invention is to provide a portable bracket of shown at the free end of the staff, consisting simple construction which readily can be used of a split tubular member 12, secured to the in any position and the translating device staff 11 bya collar 13. The tubular member carried by the same can be positioned in any 12 surrounds a spherical member 14;, having 25 desired manner above or below the supportathreaded end for holding the translating deing-base. vice. Both members 12 and 14 are of course The accompanying drawings, forming part hollow for the passage of the conductingof the present application, illustrate one prewires 15. ferred form of this new bracket. The use of the device is obvious. Due to 30 Figure 1 of the same is a perspective side the shank 10 the supporting-staff 11 may be view of the new improvement; Fig. 2, a top so bent as to form a very acute angle with view of the same; Fig. 3, a front view, partly the standard 1, so that the freeend of the in cross-section, of the supporting-standard. staff may be positioned below the level of the Figs. 4: and 5 are views of the shanked collar supporting-base,asindicatedin dottedlinesin 35 for the supporting-staff, and Fig. 6 a side Fig. 1, whereas at the same time the staff 11 view of the adjusting-screw. may be swung around its vertical axis to any The base 1 of the bracket is preferably desired position, as indicated in dotted lines made of sheet metal weighted by a heavy anin Fig. 2.

nular block 2, of iron, stone, or lead. If de- In the above-described improvement what 0 sired, it may be made in its entirety of ornais claimed as new and novel is 0 mental stonesuch as marble, onyx, &c. 1. The combination with a portable base,

provided, however, that sufficient provisions of a rotatable standard thereon, a movable are made for receiving the rotatable standstaff on said standard, a ball-and-socket holdard 4 of the bracket. The top of the base 1 ing means on said staff, said stafi and said 45 is provided with a depressed seat 3 for the holding means being hollow, and conductinglower end of the supporting-standard 4. This wires for an electric translating device, passstandard at is held in its seat by means of a ingthrough said staff and saidholding means. screw 5 passing through the depressed seat 3 2. The combination with a portable support, of the base 1, and a suitable washer 6, prefof a weighted base-plate, a depressed seat in 50 crably keyed to the screw 5, provides a bearsaid support, a standard adapted to rotate on said seat, of a shanked collar movably conhand, in the presence of two subscribing witnected to said standard, a supporting-staff senesses, this 29th day of August, 1902.

cured in said collar, a split tubular member on the free end of said staff, and of means ALAN ROBE FERGUSSON' 5 movable in said tubular member for carrying In presence of a translating device. RALPH JULIAN SACHERS,

In testimony whereof I have hereunto set my MARCUS O. HOPKINS.

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