Portable fence-scaling step

Details Portable fence-scaling step Portable fence-scaling step

1992-01-10

1993-09-14

Chotkowski, Karen J.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Independent rung or step

182228, 182150, E06C 700

Patent

active

052440583

ABSTRACT:
A portable step has a tread member to which is pivoted corresponding ends of a pair of support arms that terminate at their opposite ends in projections which extend from the arms at an acute angle thereto. The support arms are rockable to positions in which they substantially parallel one another and extend in the same direction from the tread member, thereby enabling the projections to be passed through openings in a fence or other barrier to suspend the tread member in a substantially horizontal position at an intermediate level between the top and bottom of the fence, thereby facilitating scaling of the fence by a person.

REFERENCES:
patent: 2252025 (1941-08-01), Olson
patent: 2848150 (1958-08-01), Tans
patent: 2878078 (1959-03-01), Moultrop
patent: 3078955 (1963-02-01), Rich
patent: 4222136 (1980-09-01), Valentino
patent: 4243121 (1981-01-01), Kiss et al.
patent: 4495883 (1985-01-01), Hoy
patent: 4778032 (1988-10-01), Takahashi
patent: 4785910 (1988-11-01), Tonkovich
patent: 4907674 (1990-03-01), Miller
patent: 4911264 (1990-03-01), McCafferty
patent: 5033583 (1991-07-01), Candelaria, Jr.

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