Airbag and airbag arrangement
US6471244B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2000 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Mar 24, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/23324
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An airbag includes first and second base cloths and a middle base cloth arranged therebetween for defining first and second compartments in the airbag. Gas communicating ports are arranged in the vicinity of the outer periphery of the middle base cloth to ensure gas communication between the two compartments. Four ring-shaped fixing portions are arranged around a gas introduction port to connect the second and middle base cloths, one of which has an exhaust port formed inside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.