Vehicle steering column including a pyrotechnic charge
US6578872B2 · kind B2 · utility
20Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jul 17, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D1/195
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for variable absorption of energy in the direction of the axis of an automobile vehicle steering column includes a steering shaft mounted in a body-tube connected to a mobile support member connected to a fixed support member fastened to the chassis of the vehicle and immobilized thereon up to a particular value. A coil is disposed on each side of the steering shaft and is connected to each of the fixed and mobile support members by a respective connecting pin A pyrotechnic displacement system operates selectively on a mobile retaining rod of each coil to modulate the absorption of energy in the event of an impact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.