Seat belt retractor with integrally formed frame
US6722601B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Jul 15, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/287
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A seat belt retractor (20) characterized by low mass and low operating noise, resistant to dust, moisture, and corrosion comprising: an integrally formed, quadrilaterally shaped main body portion (24). In the preferred embodiment of the invention the frame is injection molded using 50% or greater long glass fiber plastic or die cast or injection molded metal. A spring housing wall and wall of a mechanism cover are also integrally formed in the sides of the retractor. Positioned within the spring housing wall is a spring coil guide, as well as an integrally formed anchor, which is used to hold the outer end of a rewind spring. The mechanism side of the frame further includes an integrally formed post or pin to pivotally support a locking pawl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.