US2080015A - Safety device - Google Patents

Description

May 11, 1937 SNEDDQN 2,080,015

SAFETY DEVICE Filed Jan. 50, 1936 JOHN 6NE00o/v Patented May 11, 1937 UNITED STATES PATENT OFFICE SAFETY DEVICE Jersey Application January 30, 1936, Serial No. 61,624

1 Claim.

This invention relates to safety devices and more particularly one which is adapted for use on a ladder.

It is among the objects of the present invention to lessen the hazard incident to the performance of work while standing on a ladder.

The foregoing and further objects will be apparent after referring to the drawing, in which:

Figure 1 is a sectional elevation of the device of the present invention.

Figure 2 is a plan.

Figure 3 is a sectional view on the line III-III of Figure 1.

Referring more particularly to the drawing, the numeral 2 designates a cage of assembled vertical, horizontal and diagonal metal bars. The cage 2 has a platform 3 secured to its bottom and is open at its top and on one of its sides. This platform 3 is formed of two parts; one of which (the back section 3 is secured to the cage 2, while the front section 3 is hinged thereto, as at 4. This hinged front section 3 rests on the members forming the bottom of the cage 2. The front section 3 carries an extension 3 for a purpose which will be later described. The upper ends of the cage 2 on its open side carry a pair of hooks 5 whose openings 6 are vertically arranged. Both of these hooks 5 are drilled, as at 1, to receive a pin 8. These pins hold the hooks 5 on the rung of a ladder and are carried on conveniently secured chains 9.

A second pair of hooks I2 is carried by the cage 2. These hooks I2 are secured to the lower ends of the open side of the cage and provide vertical openings l3 in which a ladder rung is adapted to seat. The cage 2 is provided around its bottom with wire-mesh, or expanded metal for retaining any tools or other small objects which may be carried on the platform 3. A chain I5 is connected on one of its ends to the upper part of the cage 2 and on the other of its ends to the front section 3 of the platform 3, whereby it may be easily moved on its hinges.

When using a single section ladder, the cage 2 is attached to the proper rungs by the hooks 5 and I2 prior to raising the former. The weight of 5 the device of the invention is so slight that its presence on the ladder does not materially increase the difiiculty of raising it. When using an extension ladder, the cage is attached to the top section before extending. 10

After the ladder carrying the device has been placed in position, a workman may ascend past the platform 3 by moving the hinged front section 3 thereof. The front section 3 of the platform 3 is then permitted to move back into its original position in which its extension 3 will rest upon the rung of the ladder that is engaged by the hooks l2. This establishes a continuous and guarded surface upon which the workman may stand and perform his duties with freedom of action and a feeling of security. At the time the workman wishes to descend he merely pulls the chain l5 to raise the front section 3 of the platform 3, thus providing an opening.

While I have shown and described one specific embodiment of my invention it will be understood that I do not wish to be limited exactly thereto, since various modifications may be made without departing from the scope of my invention, as defined by the following claim.

I claim:

A safety device comprising an open-sided cage, hooks on the upper and lower ends of the open side of said cage, whereby said cage may be supported by a ladder, a hinged floor in the bottom of said cage, and an extension on said hinged floor, said extension being adapted to rest upon that rung of said ladder which is engaged by the hooks on the lower ends of the open side of said cage.

JOHN SNEDDON.

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