Spool for a seat belt retractor
US6336606B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2000 |
| Grant date | Jan 8, 2002 |
| Priority date | — |
| Expiry date | Jun 27, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/3427
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A spool for a seat belt retractor has a cylindrical member with a cylindrical central portion and two end plates at opposite axial ends of the cylindrical portion. There is a channel formed in the cylindrical central portion with an outer and an inner wall and defining a path for guiding seat belt webbing. The path circumscribes the spool axis substantially over the length of the central portion of the spool in a generally smooth curve. The path has a spool entry and a spool exit portion and an acute angle subtended at the spool axis by the entry portion of the path and the exit portion of the path is approximately 90°. The spool may be hollow with a torsion bar forming the inner wall of the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.