Extensible and retractable step assembly

Details Extensible and retractable step assembly Extensible and retractable step assembly

1990-03-21

1991-04-09

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Horizontal traversing - actuation, control, or response

Occupant actuation or control

182 88, 182 35, A47B 7710, A47B 9600

Patent

active

050056670

ABSTRACT:
An extensible and retractable step assembly for a floor cabinet having an open rectangular base slidably mounted in an interior space at the bottom of the cabinet immediately above the floor and selectively positionable in the cabinet or in front of the cabinet, a step which fits inside this base, and slidable pivoted linkages connecting the step to the base and permitting the step to be raised up from the base when the base is extended in front of the cabinet.

REFERENCES:
patent: 1681879 (1928-08-01), Putnam
patent: 2314478 (1943-03-01), Brower
patent: 2881040 (1959-04-01), Hartridge
patent: 3311190 (1967-03-01), Naumann
patent: 3481429 (1969-12-01), Gaede

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