Lift truck apparatus

Details Lift truck apparatus Lift truck apparatus

1976-02-23

1977-05-24

Oresky, Lawrence 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 9E, 187 95, 214620, 214731, B65G 4700

Patent

active

040249727

ABSTRACT:
For use with a lift truck, a lifting apparatus which combines compact height when not fully extended with extended height exceeding that of a conventional mast and frame assembly. The apparatus includes a selectively engageable transmission which drives a load-engaging and lifting member vertically with respect to the frame apparatus. The transmission is engaged to convert relative motion between the mast and frame into motion of the engaging member with respect to the frame. A significant increase is achieved in the maximum elevated height of the assembly, while maintaining the compact unelevated height of the conventional mast and frame assembly. In one embodiment of the invention, the transmission drives load-engaging members laterally to accommodate wider loads.

REFERENCES:
patent: 2507583 (1950-05-01), Wellman
patent: 2618360 (1952-11-01), MacDonald
patent: 3191788 (1965-06-01), Hopfeld
patent: 3414086 (1968-12-01), Ulinski
patent: 3727781 (1975-04-01), Ramsey
patent: 3782503 (1974-01-01), Sinclair

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