Elevator hoisting apparatus

Details Elevator hoisting apparatus Elevator hoisting apparatus

1987-03-17

1989-07-11

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

74413, B66B 1104

Patent

active

048463094

ABSTRACT:
This invention discloses a hoisting apparatus for use with an elevator system including a reduction gear assembly connected to a driving electric motor and a sheave. A main rope is reeved around the sheave and a car is suspended from the rope for vertical movement. The reduction gear assembly includes a pair of large and small gears. The small and large gears are connected respectively to the input and output shafts of the reduction gear assembly and the input and output shafts are disposed in face-to-face relationship. The electric motor are connected to the input shaft while the sheave and a brake system is connected to the output shaft. One bearing of the sheave is integral with a gearbox of the reduction gear assembly, and the large gear is supported in an overhanging manner by the shaft of the sheave. This arrangement enables silent and safe operation of elevator cars.

REFERENCES:
patent: 3641832 (1972-02-01), Shigeta et al.
patent: 4422531 (1983-12-01), Ohtomi et al.
patent: 4433755 (1984-02-01), Ohtomi
patent: 4526252 (1985-07-01), Hirano

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