Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1982-05-05
1984-03-13
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
187 57, B66B 1316
Patent
active
044361840
ABSTRACT:
An elevator system including an elevator car having an electromechanical door restraint mechanism which prevents the forceable opening of an elevator car door by passengers when the elevator car stops outside a predetermined zone adjacent to a floor level, at least to an extent which would enable passenger exit from the car.
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patent: 3878919 (1975-04-01), Dewhurst
patent: 3991858 (1976-11-01), Westerlund
patent: 4313525 (1982-02-01), McDonald
patent: 4357998 (1982-11-01), Gibson et al.
Balbo Anthony M.
Dorman John G.
Randall Charles E.
Sette Robert A.
Duncanson Jr. W. E.
Lackey D. R.
Truhe J. V.
Westinghouse Electric Corp.
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