Collapsible fire escape ladder

Details Collapsible fire escape ladder Collapsible fire escape ladder

1990-08-09

1991-06-11

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Ladder

182 70, 182163, E06C 910, E06C 914

Patent

active

050224913

ABSTRACT:
A collapsible fire escape ladder. A plurality of folding ladder sections are retained in the folded position by a retractable ladder retention means that slidably engages retention posts fixedly attached to the respective ladder sections. A pivotally mounted ladder entry step is attached to the proximal end of the ladder retention means to facilitate emergency escape through a window or the like. In an alternative embodiment of the ladder, the ladder retention means includes an exit platform having an exit portal disposed when said ladder retention means is retracted above the rungs of the ladder sections.

REFERENCES:
patent: 261847 (1882-08-01), Graff
patent: 280527 (1883-07-01), Smiley
patent: 389696 (1888-09-01), Fink
patent: 494073 (1893-03-01), Necker
patent: 1064166 (1913-06-01), Murphy
patent: 1203313 (1916-10-01), Danke
patent: 2513835 (1950-07-01), Allen
patent: 2615665 (1952-10-01), Baxter
patent: 3042143 (1962-07-01), Silen
patent: 4401183 (1983-08-01), Schler

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