Folding fire escape ladder

Details Folding fire escape ladder Folding fire escape ladder

1981-10-09

1984-01-17

Machado, R. P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Ladder

182160, E06C 912

Patent

active

044259832

ABSTRACT:
The ladder of the invention includes first and second upright angle members connected together for movement in a parallel, arcuate relationship between an open position and a nested position. A cam surface on one of the uprights, when the uprights are going toward nested position, bears against a notched lever mechanism including a cap pivoted on the other one of said uprights. Normally, the lever mechanism is urged by a spring into latching position. The movement of the movable upright with respect to the other upright cams the cap and lever out of the way. The first and second uprights, when nested, are in a position with a flange on one of the uprights in a notch in the lever so that the uprights are contained in nested position. There is a pull cord for releasing the lever mechanism.

REFERENCES:
patent: 2299584 (1942-10-01), Low
patent: 4189028 (1980-02-01), Reinhard

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