Elevator system including sensor assembly for person detection
US11999591B1 · kind B1 · utility
0Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2023 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Jun 12, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/0087
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator system includes a hoistway; an elevator car configured to travel in the hoistway; a pit located at a bottom of the hoistway; a safety chain configured to enable or disable motion of the elevator car; and a sensor assembly configured to initiate opening the safety chain to disable motion of the elevator car upon detection of a person in the pit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.