Safety ladder

Fire escape – ladder – or scaffold – Safety device for ground-supported ladder

Patent

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Details

182109, 182204, 182106, E06C 748

Patent

active

060125462

ABSTRACT:
A new Safety Ladder for providing a ladder which may be safely and stably positioned relative to a building. The inventive device includes a pair of side rails, a plurality of spaced rungs supported between the side rails, a pair of adjustable legs each telescopically extendable from a lower end of one of the side rails, and a pair of standoff arms each pivotally coupled to an upper end of one of the side rails. A first foot adapted for frictional engagement with an underlying surface is pivotally coupled to the free end of each of the adjustable legs and a second foot adapted for frictional engagement with a roof of a building is pivotally coupled to the free end of each of the standoff arms.

REFERENCES:
patent: 1152687 (1915-09-01), Acton
patent: 2691479 (1954-10-01), Sharp
patent: 2767898 (1956-10-01), Cramer
patent: 3071204 (1963-01-01), Piltingsrud
patent: 3143185 (1964-08-01), Wenger
patent: 3861500 (1975-01-01), Dempsey
patent: 4146114 (1979-03-01), Beavers
patent: 4694932 (1987-09-01), Schmitt
patent: 5165501 (1992-11-01), Donahey
patent: 5651417 (1997-07-01), Coughlin

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