Safety device for elevator system and elevator system
US11891276B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2022 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Apr 21, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A safety device for an elevator system, and an elevator system. The elevator system includes a guide rope arranged in a hoistway to be used as a guide rail and a running device running along the guide rope, and the safety device includes a body which is connected to the running device, and a first component and a second component which are provided on the body and define a passage for the guide rope to pass through freely when the running device is in normal operation, the first and second components are configured for clamping the guide rope in the passage when a running speed of the running device exceeds a threshold, to restrict the speed of the running device or stop the running device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.