Belt retractor for a safety belt system
US7850111B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2008 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Feb 20, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/469
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A belt retractor for a safety belt system has a frame (2), a belt reel (4) rotatably mounted in the frame (2) for receiving a belt webbing, a reversible belt tensioning unit with a motor (8), an irreversible belt tensioning unit, and a coupling mechanism, by means of which the reversible belt tensioning unit can be coupled to the belt reel (4) and which can be deactivated and reactivated, the coupling mechanism being deactivated when the irreversible belt tensioning unit is activated and the coupling mechanism being reactivated after termination of the irreversible belt tensioning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.