Two car elevator system

Details Two car elevator system Two car elevator system

1994-07-15

1996-06-18

Terrell, William E.

Elevator, industrial lift truck, or stationary lift for vehicle

Having independent supports carrying distinct loads and...

187254, 187266, 187412, B66B 900

Patent

active

055269010

ABSTRACT:
An elevator is provided comprising a first car, a second car, and a counterweight for travel within a hoistway. A plurality of ropes connect the first and second cars to the counterweight for travel within the hoistway. A machine is provided for driving the cars and counterweight within the hoistway. The plurality of ropes are arranged to cause the second car to travel 1/N of the distance, at 1/N of the speed, of the first car when the machine is driving the cars.

REFERENCES:
patent: 849840 (1907-04-01), Foster
patent: 1837643 (1931-12-01), Anderson
patent: 1896776 (1933-02-01), James
patent: 1976495 (1934-10-01), Halfvarson

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