Window winder drive
US8181763B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2006 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Apr 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A window winder drive functions with a freewheeling coupling, which has an outer coupling part and an inner coupling part, which is concentric thereto, and comprises clamping bodies arranged between a clamping face of the outer coupling part and a clamping face of the inner coupling part, wherein the clamping bodies are arranged in pairs in the annular space formed between the clamping faces, and the first clamping body of a pair of clamping bodies demonstrates a clamping effect exclusively in a specific direction of rotation of the outer coupling part in relation to the inner coupling part, while the second clamping body of the pair of clamping bodies exclusively has a clamping effect in the opposite direction of rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.