Universal motorized scaffold truck

Details Universal motorized scaffold truck Universal motorized scaffold truck

1996-02-20

2000-08-29

Chin-Shue, Alvin

Fire escape, ladder, or scaffold

Horizontal traversing - actuation, control, or response

With handle or steering means

182 13, E04B 120

Patent

active

061093904

ABSTRACT:
A universal motorized scaffold truck with a horizontal support frame adapted for removably supporting scaffold or "A" ladders thereon and supported by wheels for lateral movement on a ground surface. A vertically extendable steering mast is provided which is secured at its lower end to the frame and adapted for steering selected of the wheels from the upper end of the mast. An electric motor is mounted on the frame and adapted for driving desired wheels and a switch is provided at the upper end of the mast for selectively engaging the electric motor to drive the truck in either direction. The steering mast is adapted to fold down horizontally for storage on the frame and may be locked into position in its upright position and secured to the scaffold or ladder for security.

REFERENCES:
patent: 1736501 (1929-11-01), Macklem
patent: 2857212 (1958-10-01), Everitt
patent: 3503466 (1970-03-01), Rosander
patent: 4967733 (1990-11-01), Rousseau

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