Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing
Patent
1995-10-31
1997-07-29
Noland, Kenneth
Elevator, industrial lift truck, or stationary lift for vehicle
With barrier for regulating access to load support
Including barrier mounted at landing
49120, B66B 1312
Patent
active
056514271
ABSTRACT:
An elevator door hold-close device in combination with a moving vane elevator door coupler having first and second vanes pivotally connected by links to form a parallelogram pivotally movable between a first compressed uncoupled position and an expanded coupled position. A structural member is fixed to the elevator car and has a friction pad configured for retentive engagement with a friction pad on the vane assembly to hold the car door closed against manual operation when the elevator car is in flight.
REFERENCES:
patent: 3783977 (1974-01-01), Voser
patent: 4926974 (1990-05-01), Morris et al.
patent: 5005673 (1991-04-01), Rivera
patent: 5575357 (1996-11-01), Spiess
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. 08/550,970 filed Oct. 31, 1995 entitled Elevator Car Evacuation Deterrent Device.
Ahigian Edward E.
Barrett David W.
He Thomas
Jaminet Jerome F.
Kowalczyk Thomas M.
Noland Kenneth
Otis Elevator Company
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