Air bag installation using integrated energy device to form trim

Details Air bag installation using integrated energy device to form trim Air bag installation using integrated energy device to form trim

1994-10-26

1996-03-05

Culbreth, Eric D.

Land vehicles

Wheeled

Attachment

280732, B60R 2116

Patent

active

054960592

ABSTRACT:
An air bag installation is disclosed in which a flattened tube is expanded by a flow of pressurized gas from the air bag inflator or a separate source when the air bag system is deployed. The resulting tube expansion drives a cutting edge to sever an opening in a covering layer disposed over a substrate panel of an interior trim structure. A pyrotechnic charge may be used to augment the flow of pressurized gas. The tube may alternatively form an integral part of the instrument panel or the air bag assembly.

REFERENCES:
patent: 4991870 (1991-02-01), Beusterien et al.
patent: 5080393 (1992-01-01), Dixon, Jr. et al.
patent: 5082310 (1992-01-01), Bauer
patent: 5181737 (1993-01-01), Lenzen et al.
patent: 5217244 (1993-06-01), Bauer
patent: 5231928 (1993-08-01), Phillips et al.

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