Mechanical shifting of multi-load retractor
US6863235B2 · kind B2 · utility
23Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2002 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Feb 9, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/287
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A seat belt retractor (20) comprising: a primary (40) and secondary (60) locking mechanism and deactivation mechanism (74) for mechanically deactivating the second locking mechanism (60) when the retractor is used by occupants not in a designated class; the retractor including at least two load limiting mechanisms including for example, a torsion bar and variable elongation webbing or a torsion bar and a friction brake (or clutch) configured to be selectively employed depending on the size of the occupant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.