Elevator landing control apparatus

Details Elevator landing control apparatus Elevator landing control apparatus

1978-03-22

1980-03-25

Dobeck, B.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 140

Patent

active

041945948

ABSTRACT:
An elevator landing control apparatus comprises a cage and a counter-weight which are suspended by a main rope in a hoistway; a winding motor which drives a driving sheave; a brake for holding the cage by holding the motor during the stop of the cage; a landing device or a cage acceleration control circuit; a lower floor detecting circuit and a door open detecting circuit and a control circuit which releases the holding of the motor by the brake and actuates the landing device or the cage acceleration circuit when the lower floor detecting circuit and the door open detecting circuit are in the actuated condition.

REFERENCES:
patent: 2847091 (1958-08-01), Santini et al.
patent: 3207265 (1965-09-01), Lund et al.
patent: 3815711 (1974-06-01), Hoelscher
patent: 3983961 (1976-10-01), Aron
"Speed Control of High Speed (1800 ft/min) Elevator" (YP 4706), IEEE Conference Paper C75 118-5, Nov. 1974.

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