Portable scaffold and retrofit kit therefor

Details Portable scaffold and retrofit kit therefor Portable scaffold and retrofit kit therefor

1986-01-16

1987-05-05

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Horizontal traversing - actuation, control, or response

Occupant actuation or control

182 16, 182 63, 180 21, 180 13, E04G 124

Patent

active

046624767

ABSTRACT:
A retrofit kit for a portable scaffold having a relatively open frame supported for movement on a plurality of wheels and a platform for a worker disposed on the frame includes a wheel and a mount to mount the wheel to the open frame. The mount allows horizontal movement of the rotational axis of the wheel. The wheel may be steered by structure controllable from the platform to control the direction of the movement of the scaffold. A motor is provided and is operatively connected to the wheel for moving the scaffold in the direction selected by the steering means.

REFERENCES:
patent: 2573575 (1951-10-01), Keroson
patent: 3256954 (1966-06-01), Warthen
patent: 3387681 (1968-06-01), Rabjohn
patent: 3429398 (1969-02-01), Reynolds
patent: 3731758 (1973-05-01), Hibma
patent: 3865203 (1975-02-01), Hibma
patent: 3930548 (1976-01-01), Wallraff
patent: 4053025 (1977-10-01), Slusarenko
patent: 4088202 (1978-05-01), Costello
patent: 4475611 (1984-10-01), Fisher

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