Actuating device for emergency operation of a gearless drive machine of an elevator
US6889959B2 · kind B2 · utility
4Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 2002 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | Feb 19, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/027
- WIPO fieldHandling
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.