Movable pedestal scaffold

Details Movable pedestal scaffold Movable pedestal scaffold

1985-09-27

1986-06-03

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder with land vehicle

182 16, 182 63, 182141, 280 53, 180 82, E04G 122, E04G 124

Patent

active

045924473

ABSTRACT:
A movable pedestal scaffold having two sets of wheels on the scaffold base to permit the scaffold to be rolled horizontally while the mast of the scaffold is in a vertical position. A transport frame is mounted for vertical movement on the mast, with such movement being powered by a hydraulic cylinder. A first set of wheels is mounted on the transport frame to support the scaffold at (1) a tilted position relatively near to vertical when the transport frame is close to the base member, and (2) at a tilted position substantially inclined from vertical when the transport frame is away from the base member. A second set of wheels is mounted on the transport frame closer to the mast and to the base frame then the first set of wheels on the transport frame, the first and second sets of wheels on the transport frame acting together to support the scaffold on an elevated horizontal surface as the scaffold is raise to or lowered from that surface.

REFERENCES:
patent: 2192396 (1940-03-01), Burch
patent: 3612218 (1971-10-01), Blair
patent: 3907138 (1975-09-01), Rhodes
patent: 4044857 (1977-08-01), Guerette
patent: 4183423 (1980-01-01), Lewis
patent: 4194591 (1980-03-01), Fisher
patent: 4310166 (1982-01-01), Eicher
patent: 4397373 (1983-08-01), Ream

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