Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1981-09-18
1984-03-13
Rolla, Joseph J.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
182 14, 182148, B66B 1104
Patent
active
044361831
ABSTRACT:
A lift apparatus for use in material handling characterized by a self-propelled and steerable chassis which mounts a pair of laterally spaced multi-stage mast assemblies for raising and lowering a lift carriage, and a stabilization torsion bar system actuatable by the mast assemblies for maintaining the lift carriage in a horizontal plane during such operation.
REFERENCES:
patent: 3757899 (1973-09-01), Smith
patent: 3782503 (1974-01-01), Sinclair
patent: 3788444 (1974-01-01), McWilliams
patent: 4261438 (1981-04-01), Olson
Fitzgerald Thomas
Rolla Joseph J.
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