Actuating device for emergency operation of a gearless drive...

Details Actuating device for emergency operation of a gearless drive... Actuating device for emergency operation of a gearless drive...

2005-05-10

2005-05-10

Marcelo, Emmanuel (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

C187S263000

Reexamination Certificate

active

06889959

ABSTRACT:
An actuating device for an elevator having a gearless drive having a motor, a traction sheave over which support ropes are passed and a motor braking device is in the form of a hand drive adapted to be engaged with the motor shaft for emergency elevator operation with a handwheel for manual motor shaft activation. The hard drive may include a gear coupling the handwheel and an output coupling in the form of a grooved hub. The braking device of the elevator is mounted to a pedistal having a cover with an opening through which the hub may be inserted to engage the motor shaft.

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patent: 5148893 (1992-09-01), Vertesy et al.
patent: 5819876 (1998-10-01), Chao
patent: 6146303 (2000-11-01), Wittur et al.
patent: 6478124 (2002-11-01), Cholinski
patent: 6561318 (2003-05-01), Lamb
patent: 0 244 030 (1987-11-01), None
patent: 2 083 292 (1982-03-01), None

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