Elevator car evacuation deterrent device

Details Elevator car evacuation deterrent device Elevator car evacuation deterrent device

1995-10-31

1998-03-31

Terrell, William E.

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Operation variable for emergency, maintenance, or abnormal...

187330, B66B 1314

Patent

active

057327963

ABSTRACT:
An elevator door evacuation deterrent device in combination with a moving vane elevator door coupler having a pair of coupler vanes pivotally connected by links to form a parallelogram movable between a compressed position, an expanded interlock position and a third expanded overtravel locking position when the elevator car is outside a landing zone. A top end from one of the vanes projects upwardly and abuts a locking plate on the elevator car to limit movement of the car door in the overtravel locking position when the car is outside of a landing zone.

REFERENCES:
patent: 1950150 (1934-03-01), Norton et al.
patent: 3783977 (1974-01-01), Voser
patent: 4357998 (1982-11-01), Gibson et al.
patent: 5005673 (1991-04-01), Rivera
patent: 5651427 (1997-07-01), Kulak et al.
patent: 5651428 (1997-07-01), Ahigian
U.S. Patent Application Serial No. 08/225,220 filed Apr. 8, 1994 entitled Stationary Actuator Moving Vane Elevator Car Door Coupling.
U.S. Patent Application Serial No. 08/550,971 filed Oct. 31, 1995 entitled Elevator Door Coupling and Hold-Close Apparatus.

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