Fire escape – ladder – or scaffold – Ladder – With spacer means
Patent
1990-04-06
1992-05-19
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder
With spacer means
182107, E06C 748
Patent
active
051139731
ABSTRACT:
A stand-off brace for attachment to the top end of a ladder maintains the top end of the ladder away from the work surface against which it would ordinarily rest. The brace has a general U-shape wherein the legs are adjustable to vary the distance between the ladder and the work surface. The distance between the legs is also adjustable so that the brace spans the work surface.
REFERENCES:
patent: 1570576 (1926-01-01), Rivitz
patent: 2327317 (1943-08-01), Randall
patent: 2597902 (1952-05-01), Roketa
patent: 3288249 (1966-11-01), Gibson
patent: 3693756 (1972-09-01), Walker
patent: 3708080 (1973-01-01), Schlei
patent: 3780828 (1973-12-01), Overturf
patent: 4369860 (1983-01-01), Beane
patent: 4440263 (1984-04-01), Smith
patent: 4502566 (1985-03-01), Wing
James John L.
Machado Reinaldo P.
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