Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1985-05-09
1986-12-23
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182145, 182102, E06C 712, E04G 310
Patent
active
046307109
ABSTRACT:
This invention is a self-hoisting platform which can be used by painters, carpenters, or the like when painting or repairing elevated building structures. This is accomplished through the provision of a seat-like means having an interconnected dual lift system with reversible, pawl type locking means for manually raising and lowering the system.
REFERENCES:
patent: 264577 (1882-09-01), Smith
patent: 391854 (1888-10-01), Noll
patent: 731708 (1903-06-01), Quinn
patent: 738164 (1903-09-01), Cody
patent: 859266 (1907-07-01), Ulery
patent: 1198122 (1916-09-01), Golden
patent: 1453227 (1923-04-01), Murray
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