Handle-rung module

Details Handle-rung module Handle-rung module

1975-04-10

1976-07-27

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Independent rung or step

280163, B60R 300

Patent

active

039714560

ABSTRACT:
A handle-rung module adapted to be secured to a mounting surface to provide a handle and/or rung which is recessed and substantially flush with the mounting surface, the module is installed in a rectangular aperture in the mounting surface and is constructed to retain a closed surface when secured in the mounting surface, the module includes a longitudinally extending inwardly projecting segment having the arcuate contour of a longitudinal segment of a cylinder wall, with end walls contoured and connected to the ends of the inwardly projecting segment, and a longitudinally extending cross member centrally spanning the inwardly projecting segment and connected to the end walls, the cross member being adapted to provide a grip or step and the inwardly projecting segment being adapted to provide a recess for receiving the knuckles of a clenched hand or the end of a foot.

REFERENCES:
patent: 1505015 (1924-08-01), Dunlap
patent: 1760200 (1930-05-01), Large
patent: 1916252 (1933-07-01), Boardman
patent: 2580326 (1951-12-01), Stvens
patent: 2603821 (1952-07-01), Bacon

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