Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support – Including barrier mounted at landing
Patent
1994-04-06
1996-01-23
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
054858968
ABSTRACT:
A horizontally stiff, but vertically yielding coupling between an elevator car door and an elevator hoistway door includes a brushless torque actuator which rotates a member (disposed on the elevator door) between a first, clearance position and a second, coupling position where it becomes wedged between the walls of a channel disposed on a hoistway door. The member may have rollers to make contact with the walls of the channel, or it may simply have sliding surfaces for contact with the channel.
REFERENCES:
patent: 2432293 (1947-12-01), Giovanni
patent: 2626018 (1953-01-01), Healey
Ahigian Edward E.
Barrett David W.
He Thomas
Jaminet Jerome F.
Kowalczyk Thomas M.
Noland Kenneth
Otis Elevator Company
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