Portable steps

Details Portable steps Portable steps

1984-05-14

1985-06-04

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Independent rung or step

182 46, 182223, 182228, 108130, E06C 708, E04G 128

Patent

active

045208972

ABSTRACT:
Portable steps are disclosed herein including a plurality of step rungs arranged next to each other in parallel side-by-side relationship wherein each step rung has an elongated rigid member intended to be stepped upon by a riser which incorporates a pair of ground engaging spikes at each end of the step rung adapted to penetrate into the ground for a given length determined by a releasable guage. The spikes are pivotally carried on the step rung which includes a shaped recess corresponding to the shape of the spikes for storage and transportation purposes.

REFERENCES:
patent: 471626 (1892-03-01), Streeter
patent: 2619154 (1952-11-01), Erickson
patent: 2703741 (1955-03-01), Pucci
patent: 4125175 (1978-11-01), Ernst
patent: 4373609 (1983-02-01), Donato
patent: 4445591 (1984-05-01), Mitchell

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