Apparatus for driving a self-propelled elevator

Details Apparatus for driving a self-propelled elevator Apparatus for driving a self-propelled elevator

1995-05-11

1997-06-10

Merritt, Karen B.

Elevator, industrial lift truck, or stationary lift for vehicle

Having independent supports carrying distinct loads and...

187250, 187404, 187410, B66B 902

Patent

active

056367120

ABSTRACT:
A friction wheel drive apparatus for a self-propelled elevator car movable in an elevator shaft can be mounted on the top side or bottom side of the car. The drive apparatus is connected with a counterweight by a force transmission device for balancing the car weight and a portion of the conveyed load. The force transmission device is fastened to and guided at the drive apparatus such that a force generated by the counterweight, the weight of the car and the weight of the conveyed load is applied as a contact pressure to urge a friction wheel of the drive apparatus against a travel track surface.

REFERENCES:
patent: 353458 (1886-11-01), Murtaugh
patent: 1730974 (1929-10-01), Higbee
patent: 3101130 (1963-08-01), Bianca
patent: 3381541 (1968-05-01), Thireau et al.
patent: 5464072 (1995-11-01), Muller

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