Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent
1989-12-12
1990-11-20
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
182150, 182152, E04G 308, E04G 310
Patent
active
049711695
ABSTRACT:
An improved method and apparatus of scaffolding during building has a scaffold with folding hanger and work frames, storable bumpers on the work frame for propping the scaffold off of a wall, and a hanger structure in the hanger frame for suspending the scaffold from the cap or upper header of a building wall. The scaffold is also usable as a sawhorse and a ground/floor supported scaffold. The method of scaffolding provides the steps of hanging the scaffold from the header or cap, propping the scaffold off with storable bumpers, and folding the scaffold flat for storage and transportation.
REFERENCES:
patent: 197766 (1877-12-01), Crawford
patent: 2308142 (1943-01-01), Alloway
patent: 3124213 (1964-03-01), Jorsey
patent: 3134567 (1964-05-01), Shoemaker
patent: 3391757 (1968-07-01), Duke
patent: 4029173 (1977-06-01), Wakabayashi
patent: 4074792 (1978-02-01), Zaugg
patent: 4089389 (1978-05-01), Olssom
patent: 4263985 (1981-04-01), Shady
Kovar Henry C.
Machado Reinaldo P.
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