US120364A - Improvement in drawing-stamps - Google Patents

Description

WELUM BHL.

mgrovemeas' in rawing Stands.

'\1 r 11G, 126,354, Patened Oct. 31,1871.

wfTNESsEs; y' l 'y ,NVENTORIF' WILLIAM BELL, OF BUFFALO, NEV YORK.

IMPROVEMENT IN DRAlNiNG-STANDS.

Specification forming part of Letters Patent No. 120,364, dated October' 31, 1871.

To all whom t may concern.:

Be it known that I, VILLIAM BELL, of ButL falo, in the county of Erie and State of New York, have invented certain Iinprovenients in Drawing-Stands, described in the following speciiioation.

My invention relates to the combination oi' a hall having a part projecting Jfrom one side 0f the proper t'orni to receive the drawing-board or top, and a clamping device for iirinly holding the saine at any angle required; also, in arranging therewith a revolving rest and atchet, so constructed that the board niay revolve on a vertical axis, or raised or lowered,the object being to at'- ford an easy ineans of adjusting the board to any position that inay be desired.

Figure 1 is a front elevation of a stand einhodying iny invention. Fig. is a top view of the ball and clainp, showing the part to which the board or top is fastened. Fig. 5 is a section through the rest, showing the ratchet and the pinion for elevating or lowering the board.

A is the board or top. It is fastened to the piece L on the ball B. O represents the movable part oi" the clamping device. It is jointed at S by a pin passing through the standard D, 0il which the top fornis a part ol' the ball-clamp, as shown. G is a pinion, which enga-ges with a rack in the standard D for the purpose of adjusting l the saine vertically. It is more clearly shown in Fig. 3. F is a inovable collar, loosely fitted to the said standard, which drops by its own weight land engages with the pinion G for the purpose ot' preventing the descent oi' the saine, as clearly shown in Fig. 3. H is a sinall handwheel i'oiturning said pinion. E represents a tighteningscrew for operating the ball-clainp, and J is a screw i'oiI preventing the standard i'roin turning, or for holding it rigidly to the i'raine M when desired. The standard l), which passes down through the traine M, as plainly shown in the drawing, inay be either raised or lowered by litting up the collar F and turning the hand-wheel M y invention may be used to support a writing desk, cutting-board, table, artistls easel, or an engi'avers stand; and it is well adapted, and is intended, for any purpose where an adjustable table or board is required.

l claini as iny inventionl. The coinbination oi' the ball B, olainp t), and the adjustable standard or rest D, substantially as and i'or the purposes described.

2. The collar F, substantially as and for the purposes siiowii.

VILLiAM BELL.

WTitnesses:

.Mains Si Nes'rint, G. 1t. WALDON. (5i)

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