Ropeless elevator wheel force releasing system
US11524873B2 · kind B2 · utility
0Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2020 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Jan 19, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/043
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
According to an embodiment, an elevator system including: a beam climber system configured to move an elevator car through an elevator shaft by climbing a first guide beam that extends vertically through the elevator shaft, the first guide beam including a first surface and a second surface opposite the first surface, the beam climber system including: a first wheel in contact with the first surface; and a first electric motor configured to rotate the first wheel; and a wheel decompression system configured to move the first wheel away from the first guide rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.