Airbag tear seam
US5957484A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1998 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Jun 2, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R21/21656
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a steering wheel and airbag assembly and an integrated steering wheel assembly having a unique tear seam design. The tear seam is incorporated in an airbag scrim that covers the airbag when the airbag is mounted in the steering wheel assembly. In the most preferred embodiment the tear seam is a straight line that bisects the airbag scrim. The tear seam is formed from three walls joined by a first joint and a second joint. The first joint is substantially a right angle joint and the second joint is a radiused joint. Because of its shape, the first joint is less fracture resistant than the second joint. The tear seam design permits a more efficient deployment of the airbag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.