Device for enhancing elevator rope traction

Details Device for enhancing elevator rope traction Device for enhancing elevator rope traction

1997-09-09

1999-07-13

Terrell, William E.

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

B66B 1108

Patent

active

059213523

ABSTRACT:
A traction drive elevator system includes a device to enhance the traction forces between the ropes as the traction sheave. As a result, the traction force is the sum of the traction force caused by the tension in the ropes and the traction force caused by the traction enhancement device.

REFERENCES:
patent: 4620615 (1986-11-01), Morris et al.
patent: 5186283 (1993-02-01), Salmon

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