Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1976-04-13
1977-04-05
Spar, Robert J.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 9R, B66F 920
Patent
active
040157385
ABSTRACT:
A counterbalanced lift truck mast is adjustable to a plurality of discrete different longitudinal positions between the truck load bearing wheels to overcome additional counterweighting requirements or load de-rating if various load manipulators position the load at varying distances from the load wheels. The load bearing wheels are driven through separate very narrow gear train housings to provide adequate space for mast adjustment.
REFERENCES:
patent: 1997490 (1935-04-01), Hoar
patent: 3098574 (1963-07-01), DeMarco
patent: 3376990 (1968-04-01), Latall
patent: 3378159 (1968-04-01), Trusock
patent: 3414086 (1968-12-01), Ulinski
Gibson Christian D.
Hart Kenneth F.
Oresky Lawrence J.
Spar Robert J.
Stephens Richard G.
The Raymond Corporation
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