Escape ladder

Details Escape ladder Escape ladder

1976-02-06

1977-07-26

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Ladder

182 97, 182160, E06C 1383, E06C 908

Patent

active

040376869

ABSTRACT:
An escape ladder including a plurality of cross-pieces or rungs extending in parallelism between and pivotally connected to a pair of side pieces or rails for parallel movement of the latter between an open spaced operative ladder condition and a closed condition with the rungs concealed within the side pieces, at least one side piece being detachably pivotally mounted to a building for use therewith and removal therefrom.

REFERENCES:
patent: 27972 (1860-04-01), Deckelmann
patent: 149909 (1874-04-01), Barnard
patent: 716057 (1902-12-01), Labranche
patent: 1799089 (1931-03-01), Clark
patent: 3024864 (1962-03-01), Padlo

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