Elevator system sound reducing assembly and method
US9908746B2 · kind B2 · utility
2Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2016 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Jul 12, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B9/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator system sound reducing assembly includes an elevator car moveably disposed in an elevator shaft. Also included is a counterweight moveably disposed in the elevator shaft, the counterweight operatively coupled to and guided along a counterweight frame. Further included is a barrier located at a height of the elevator shaft that corresponds to passage of the elevator car and the counterweight relative to each other, the barrier disposed between the counterweight and the elevator car upon passage of the elevator car and the counterweight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.