US804895A - Swinging ladder-bracket. - Google Patents

Description

No. 804,895. PATENTED NOV. 21, 1905.

' R. W. SPENCER.

SWINGING LADDER BRACKET. APPLICATION 11.21: NOV. 1a, 1904.

ROBERT WILLIAM SPENCER, OF KANKAKEE, ILLINOIS.

SWINGING LADDER-BRACKET- Specification of Letters Patent.

Patented NOV. 21, 1905.

Application filed November 18, 1904. Serial No. 233,348.

T0 all whom it may concern:

Be it known that I, ROBERT WILLIAM SPEN- GER, a citizen of the United States, residing at Kankakee, in the county of Kankakee and State of Illinois, have invented a new and useful Swinging Ladder-Bracket, of which the following is a specification.

This invention is an improved construction ofswingingladder-bracket by means of which a swinging scaffold or stage is supported or hung from a ladder.

The object of my invention is to provide a device which will be an improvement over the brackets now in use, inasmuch as my bracket is attached to the side rails of the ladder and is not supported upon the rungs.

Another object of the invention is to provide a bracket which can be connected to various widths of ladders.

With these and certain other objects in view my invention consists in the novel features of construction hereinafter fully described, and pointed out in the claim.

In the drawings forming a part of this specification, Figure 1 is a view showing the practical application of my invention. Fig. 2 is a perspective view of the bracket attached to a ladder. Fig. 3 is a view of the bracket detached, and Figs. 4 and 5 show details of construction.

In constructing a bracket in accordance with my invention I employ two suspendingbars A and two supporting-bars B, connected by means of a bolt C, upon which is arranged a link D, to which the block or pulley E is connected. The apertured ends of the bars through which the bolt passes are straight, as shown, and are arranged in parallel relation, while the remainder of each bar is curved or bowed, the bars A being arranged upon the outer sides of the bars B, and consequently are curved or bowed slightly more than the said bars B. Each bar A has a hook A pivotally connected to its rear end, which hook is adapted to embrace the side rail of the ladder from the inner side, as most clearly shown in Figs. 1 and 2. Each bar B is provided with a forked foot-piece B, which is adapted to straddle the side rail of the ladder upon the side opposite the bearing-point of the hook A, and one member of each foot-piece has a threaded aperture produced therein and through which works a clamping-screw G, having a plate G swiveled upon its inner end, and which is adapted to be clamped firmly against the side of the rail F. If desired, the

plate Gr may be faced with rubber or other suitable material.

The bars are connected to the ladder, as shown in Fig. 2, and their meeting ends can be bound together as closely as desired by screwing up the nut C upon the bolt C. By having this adjustment I provide a bracket which can be made to fit various widths of ladders, and by having the books A pivotally connected to the ends of the bars A, I am enabled to arrange the bracket upon all classes of ladders.

It will be noted that a bracket constructed and arranged as herein shown and described will be supported entirely from the side rails of the ladder and not from the rungs thereof. After the bracket has once been adjusted it will not be necessary to readjust it.

Having thus fully described my invention, whatI claim as new, and desire to secure by Letters Patent, is

A ladder bracket comprising a pair of curved suspending-bars having hooks pivotally connected at one end, and flat at the opposite end, a pair of curved supporting-bars, flat at one end, and provided with forked footpieces at the opposite end, a clamping-screw passing through one member of each footpiece, a bolt passing through the flat ends of the bars, a link arranged upon said bolt and a nut upon the end of said bolt for the purpose described.

ROBERT WILLIAM SPENCER.

Witnesses:

FRANK E. SOHWINDEL, JOHN Joonns.

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