Elevator system

Details Elevator system Elevator system

1977-11-30

1979-07-31

Truhe, J. V.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 502

Patent

active

041627199

ABSTRACT:
An elevator system including a plurality of elevator cars capable of individual, independent control, and a system processor which places the plurality of elevator cars under group control. A monitor responsive to the calls for elevator service, and the resetting thereof when a call has been served, removes the elevator cars from group control to allow them to operate upon independent control, when a call for elevator service exists for a predetermined period of time during which no call resets were generated.

REFERENCES:
patent: 2695077 (1954-11-01), Suozzo
patent: 3584707 (1971-06-01), Suozzo et al.
patent: 3645361 (1972-02-01), Stichweh et al.
patent: 3854554 (1974-12-01), Booker, Jr.
patent: 3973648 (1976-08-01), Hummert et al.
patent: 4082164 (1978-04-01), Sackin et al.

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