Auxiliary tower climbing step

Details Auxiliary tower climbing step Auxiliary tower climbing step

1989-05-04

1990-06-12

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Independent rung or step

182189, 2482317, A63B 2700, A63B 2904

Patent

active

049324977

ABSTRACT:
For assisting ascent of metal frame towers where steps are not provided, a U-shape adapter is provided for temporarily mounting a step bolt. The adapter has spaced apart legs for straddling the flange of a tower structural member. A tapped bore through one of the legs receives the threaded shank of the step bolt, and the assembly can then be secured to the tower flange like a C-clamp.

REFERENCES:
patent: Re25341 (1963-03-01), Majewski
patent: 1312399 (1919-08-01), Heywood
patent: 2957538 (1960-10-01), Pottmeyer
patent: 3182943 (1965-05-01), Crossman
patent: 3399746 (1968-09-01), Wood
patent: 3902931 (1975-09-01), Danciger
patent: 4775030 (1988-10-01), Wright

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