Belt retractor for vehicular seat belt systems
US5505399A · kind A · utility
13Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1994 |
| Grant date | Apr 9, 1996 |
| Priority date | — |
| Expiry date | May 31, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R22/4628
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A belt retractor (10) for vehicular seat belt systems has a rotational belt tensioner drive (12) engaging a belt reel (16). A speed-up planetary gearing (26, 28, 30) is inserted in the power flow between the belt tensioner drive (12) and the belt reel (16). The planetary gearing (26, 28, 30) includes a sun gear (26), planetary gears (28) and a ring gear (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.