Folding ladder

Details Folding ladder Folding ladder

1988-02-19

1989-03-28

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Unitary foldable, rigid scaffold or ladder

Collapsible ladder

182 96, 182163, E06C 1383

Patent

active

048155640

ABSTRACT:
A folding ladder comprising a plurality of hingedly intermounted sections having channel-shaped side members, ladder rungs being shiftedly connected to a first of the side members and being pivotally connected to a second of the side members, such that the rungs slide upon collapse of the side members together after a folding of the sections into a compact unit for carriage and storage.

REFERENCES:
patent: 1783686 (1930-12-01), Williams
patent: 1943206 (1934-01-01), Corneloup
patent: 2981364 (1961-04-01), Webber
patent: 4463829 (1984-08-01), Grin

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