Elevator hoist unit

Details Elevator hoist unit Elevator hoist unit

1984-06-18

1985-07-02

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

74421A, B66B 1108

Patent

active

045262527

ABSTRACT:
An elevator hoist unit installed within a machine room disposed in the vicinity of a hoistway for moving an elevator car travelling along the hoistway comprising an electric motor, a reduction gear device having a rotatable input shaft connected to the electric motor and an output shaft for outputting at a reduced rate of rotation compared to the input shaft. The reduction gear device includes a gear for increasing the rotational speed of an auxiliary shaft connected to the gear and having an end projecting outwardly of the reduction gear device. The unit further comprises a brake wheel fixedly mounted on the projecting end of the auxiliary shaft, and braking system disposed about the brake wheel for braking or releasing the brake wheel.

REFERENCES:
patent: 2149629 (1939-03-01), Rattigan
patent: 2188766 (1940-01-01), Buckley
patent: 4322712 (1982-03-01), Yoshida
patent: 4422531 (1983-12-01), Ohtomi et al.
patent: 4433755 (1984-02-01), Ohtomi

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