Airbag having a single-piece rebound strap defining two inflation stages
US8684409B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 4, 2011 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Jul 4, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/23384
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An airbag module having an airbag and an inflation device, wherein at least one rebound strap for controlling the inflation of the airbag is disposed in the airbag and attached to portions of the airbag that move away from each other when the airbag is inflated. A first, shorter rebound strip segment breaks after a first inflation stage and subsequently the airbag regions separate from each other until the second, longer segment of the rebound strap is tensioned and the inflation stage of the airbag is predefined by the second, longer segment of the rebound strap. The rebound strap thereof is formed from a uniform textile segment, the first, shorter segment of the rebound strap is formed as a tab cut out of the second, longer segment the tab being narrower and shorter than the second, longer segment of the rebound strap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.