Multi-level load limiting retractor
US5788177A · kind A · utility
19Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1997 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Feb 21, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2022/288
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An energy absorbing seat belt retractor having a frame, a locking mechanism to initially stop a spool from rotating in a belt protraction direction, the spool rotationally supported relative to the frame, a seat belt wound about the spool, and bias means to retract the seat belt, a mechanism means for permitting the spool to rotate in the belt protraction direction subsequent to being locked including a wire pulling device which pulls a formed wire member through a tortuous path and in so doing generates a reaction force to control the manner in which the spool rotates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.