Elevator cage brake device
US8646580B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 18, 2011 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Jan 13, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator installation comprises an elevator cage movable along guide rails and a counterweight movable along guide rails, wherein provided for braking the elevator cage and the counterweight is at least one brake device in which at least one gearwheel is disposed in mechanically positive connection with the guide rail and the gearwheel can be braked by a brake, wherein a first gearwheel is provided, which when the brake is triggered is disposed in mechanically positive connection with the guide rail, and wherein a second gearwheel is provided, which when the brake is activated is disposed in mechanically positive connection with the guide rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.