Frictional damper for reducing elevator car movement
US9321610B2 · kind B2 · utility
4Cited by
16References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2010 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Jun 15, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D5/30
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An exemplary device for use in an elevator system includes at least one friction member that is selectively moveable into a damping position in which the friction member is useful to damp movement of an elevator car associated with the device. A solenoid actuator has an armature that is situated for vertical movement. The armature moves upward when the solenoid is energized to move the friction member into the damping position. The armature mass urges the armature in a downward vertical direction causing the friction member to move out of the damping position when the solenoid is not energized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.