Foldable ladder

Details Foldable ladder Foldable ladder

1987-06-04

1988-06-21

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Unitary foldable, rigid scaffold or ladder

Collapsible ladder

182198, 182206, E06C 136

Patent

active

047519827

ABSTRACT:
A foldable ladder having a plurality of rigid steps and inwardly folding arms pivotably secured to the steps so as to be rigid in use by capable of being folded for storage.

REFERENCES:
patent: 1101808 (1914-06-01), Michel
patent: 1859984 (1932-05-01), Reese
patent: 2575573 (1951-11-01), Wiedman
patent: 3307654 (1967-03-01), Green
patent: 3344886 (1967-10-01), Boscarino
patent: 3677366 (1972-07-01), Loeffel
patent: 4189030 (1980-02-01), Leslie
patent: 4231449 (1980-11-01), Lauritas

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