Modulatable energy absorption device for automobile vehicle steering columns which uses pyrotechnic charges
US6367840B1 · kind B1 · utility
19Cited by
8References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2000 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Nov 15, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D1/195
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A modulatable energy absorption device for an automobile vehicle steering column includes a number of coils of particular section, a mobile support guided by a fixed support fastened to the vehicle and locked to the fixed support with a particular clamping force, the coils being each connected to a retaining pin and to an attachment pin consisting of a fixed holding rod and two mobile holding rods moved along their axis by a pyrotechnic actuator so as to uncoil one or more coils in the event of an impact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.