Fire escape – ladder – or scaffold – Horizontal traversing - actuation – control – or response – Occupant actuation or control
Patent
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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