Overhead supporting beam for an elevator door and a door mechani

Details Overhead supporting beam for an elevator door and a door mechani Overhead supporting beam for an elevator door and a door mechani

1995-10-31

1997-10-21

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Including barrier mounted at landing

187334, B66B 1306

Patent

active

056786603

ABSTRACT:
In the overhead supporting beam of an elevator door, the roller races (4,5) for the rollers of the door panels are formed from one piece with the overhead supporting beam (1). The door operating mechanism (11) with the door operating motor (15) is fitted to form a single unit with the overhead supporting beam (1) of the door.

REFERENCES:
patent: 3315767 (1967-04-01), Walter
patent: 3426480 (1969-02-01), Dzamba
patent: 4177881 (1979-12-01), Kappenhagen

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