Drive system for wire rope hoists

Details Drive system for wire rope hoists Drive system for wire rope hoists

1982-09-30

1985-03-05

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

187 27, 745015R, 254328, 254393, B66B 710

Patent

active

045025703

ABSTRACT:
A hoist cage is supported by a loop of rope extending around a drive sheave and an idler sheave respectively positioned at the ends of the hoist cage path and attached to the hoist cage by attachment of separate ends of the loop to separate drums rotatably attached to the hoist cage. The drums are coupled to rotate together to take up and pay out rope at different rates and in opposite senses with the rate being higher for the drum from which the rope extends downwardly.

REFERENCES:
patent: 796720 (1905-08-01), Hanscom
patent: 907994 (1908-12-01), Haddow
patent: 964842 (1910-07-01), Boening
patent: 1507712 (1924-09-01), Proudfoot
patent: 3565217 (1968-10-01), St. Louis
patent: 3641835 (1972-02-01), Tornheim

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