Hidden door for an air bag restraint system
US5456490A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 1994 |
| Grant date | Oct 10, 1995 |
| Priority date | — |
| Expiry date | Feb 14, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R21/2165
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An air bag restraint system is housed within an interior trim product with a hidden door that is opened when an air bag is inflated for deployment into the passenger car or a vehicle. The door is formed in a reinforced segment of a layer of low density rigid foam material that forms the load bearing support for the interior trim product and a backing for an outer skin or decorative surface that forms the outer cover of the interior trim product. The hidden door is formed by cast in place segments in the reinforced segment of the layer of low density rigid foam material a door hinge segment and a weakened tear seam segment which separates when the air bag impacts thereagainst to tear the outer skin for forming an opening therethrough for deployment of the air bag into the passenger compartment of a vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.