Compensatory measure for low overhead or low pit elevator
US9809420B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2012 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Apr 17, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A safety system for an elevator is provided including a safety brake. The safety brake is operatively connectable to one of an elevator car or a counterweight. The safety brake includes a trigger configured to engage the safety when actuated. An actuation device is configured to be mounted to a guide rail. The actuation device includes an actuator movable between a first position and a second position. The actuation device is configured to not actuate the trigger of the safety brake when the actuator is in the first position. The actuation device is configured to actuate the trigger of the safety brake when the actuator is in the second position by physically contacting the trigger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.