Air bag attachment mechanism
US5421607A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 15, 1994 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Jun 15, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R21/2035
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An air bag module includes an air bag having a circular bag opening and a retainer plate including a circular plate opening. A peripheral hem portion surrounds the bag opening. The air bag module also includes a discontinuous circular ring having a first end and a second end which are circumferentially spaced apart to form a circumferential gap. The ring is located within the hem portion of the air bag. The ring has a relaxed position in which the gap is fully open and the ring has a diameter greater than that of the plate opening. The ring also has a deformed position in which the gap is reduced and the deformed ring has a diameter less than that of the plate opening such that the ring and air bag are insertable through the plate opening. Upon insertion of the ring through the plate opening, the ring reopens to the relaxed position and is captured beneath the plate such that the air bag is anchored to the plate and removal of the ring back through the plate opening is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.