Mobile pedestal scaffold

Details Mobile pedestal scaffold Mobile pedestal scaffold

1982-01-25

1983-08-09

Machado, R. P.

Fire escape, ladder, or scaffold

Horizontal traversing - actuation, control, or response

Holding means

182 63, 182102, 182116, 182127, 182152, E04G 134, E04G 130, E04G 124

Patent

active

043973736

ABSTRACT:
A pedestal scaffold having a base member with an upwardly extending mast and a work cage mounted thereon for vertical movement. Retractable outriggers with ground-engageable pads are extendable outwardly on the cage side of the scaffold and lockable into support position to provide a large support area for the elevated work cage. Ground-engageable casters are mounted on the base and the cage and the cage is releaseably locked to the base. When the base and cage are locked together, the scaffold can be moved horizontally on the base and cage casters with the mast being vertical. When the cage is unlocked for vertical movements, scaffold weight is transferred from the cage casters to the non-rolling outrigger pads so that the scaffold cannot be moved along the ground when the cage is elevated. If the cage-side outriggers are not properly braced, the cage can be unlocked from the base but cannot be raised off the ground.

REFERENCES:
patent: 294860 (1884-04-01), Dye
patent: 2409622 (1946-10-01), Gottfried
patent: 2969123 (1961-01-01), Jamerson
patent: 3176794 (1965-04-01), Evans
patent: 3631940 (1972-01-01), Richins
patent: 3874477 (1975-04-01), Hedstrom
patent: 3934681 (1976-01-01), Herrell
patent: 4015686 (1977-04-01), Bushnell
patent: 4194591 (1980-03-01), Fisher

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