Elevator car parking brake
US11673771B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2019 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Feb 5, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B17/34
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
According to an aspect, there is provided an elevator car parking brake comprising brake pads and an actuator configured to move the brake pads with respect to a guide rail. The elevator car parking brake further comprises levers, each having an associated brake pad; and at least one screw associated with the actuator and rotatably fixed to at least one lever via at least one attaching member. In a braking operation, the actuator is configured to rotate the at least one screw in a first direction with respect to the at least one attaching member, thus causing the levers with the brake pads to move towards the guide rail. In a brake release operation, the actuator is configured to rotate the at least one screw in a second direction with respect to the at least one attaching member, thus causing the levers with the brake pads to move away from the guide rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.