Two-stage air bag system
US4213635A · kind A · utility
14Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1978 |
| Grant date | Jul 22, 1980 |
| Priority date | — |
| Expiry date | Nov 13, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/2648
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A two-stage air bag system which includes an air bag, a first pressure device for supplying first stage expansive pressure to the air bag when an impact is detected, a second pressure device for supplying second stage expansive pressure to the air bag and a delayed ignition signal generator responsive to the magnitude of the first stage expansive pressure for activating the second pressure device when the magnitude of the first stage expansive pressure exceeds a predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.