Seat belt retractor system
US6722698B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Apr 18, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/4666
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A new and improved seat belt retractor system having an electronic control unit which is adapted to receive a signal from a sensor responsive to the buckling of the seat belt and causes an electric motor acting through a chain drive to drivingly rotate a reel in one direction for providing a predetermined seat belt loading on the seat occupant and that is responsive to the braking of the vehicle under emergency conditions to increase the tensioning of the seat belt to a level that exceeds the predetermined seat belt loading.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.