Fire escape – ladder – or scaffold – Safety device for ground-supported ladder
Patent
1988-09-01
1989-11-14
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Safety device for ground-supported ladder
182214, E06C 748
Patent
active
048800791
ABSTRACT:
A device for use with a ladder comprising one cylindrical member with horizontally spaced apertures in said cylindrical member to accept the top ends of the rails of the ladder when the invention is placed horizontally thereon. The invention is affixed to the ladder by a pliable strap or straps with fastening means and may be permanently mounted or easily removed as required.
REFERENCES:
patent: 2868427 (1959-01-01), Hess
patent: 2904128 (1959-09-01), Boham
patent: 4469194 (1984-09-01), McBride
patent: 4491192 (1985-01-01), Skarsten
patent: 4580660 (1986-04-01), Oling
Bishop Douglas S.
Machado Reinaldo P.
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