Inflatable knee bolster airbag with internal tether
US7452002B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2006 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Feb 16, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/23382
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An airbag module has an airbag with an inflation chamber. The inflation chamber has a first portion and a second portion. The first portion of the inflation chamber is deployed generally along a first axis and the second portion of the inflation chamber is generally deployed along a second axis. The first axis is transverse to the second axis. The first portion of the inflation chamber is defined by a front panel and a back panel. The second portion of the inflation chamber is attached to the back panel. An inflator is in communication with the airbag. A tether is provided in the first portion of the inflation chamber. The tether has three portions. The first portion of the tether extends across the first inflation chamber and is secured to the airbag at a first panel location and a first back panel location. The second portion of the tether extends across the first inflation chamber and is secured to the airbag at the first back panel location and a second front panel location displaced from the first front panel location. The third portion of the tether extends across the first inflation chamber and is secured to the airbag at the second front panel location and a second back pan…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.