Land vehicles – Wheeled – Attachment
Patent
1994-07-22
1995-12-26
Culbreth, Eric D.
Land vehicles
Wheeled
Attachment
280732, B60R 2116
Patent
active
054781060
ABSTRACT:
An arrangement is disclosed for forming an air bag deployment opening in an instrument panel behind which a passenger side air bag is stored, just prior to the time the air bag is deployed, the arrangement including a pressure driven cutting edge cutting through the covering layer at the start of air bag deployment. A pyrotechnic charge ignited by the air bag ignition circuitry is used to develop the pressure, and various devices used to drive the cutting edge, including a flattened tube enclosing the charge and expanded by ignition of the charge. A separate door substrate panel and frame are fit into a preformed opening in the instrument panel, and the tube may be mounted to the door substrate panel, the frame, or a separate membrane.
REFERENCES:
patent: 4893833 (1990-01-01), DiSalvo
patent: 4989896 (1991-02-01), DiSalvo et al.
patent: 4991870 (1991-02-01), Beusterien
patent: 5080393 (1992-01-01), Dixon, Jr. et al.
patent: 5082310 (1992-01-01), Bauer
patent: 5154444 (1992-10-01), Nelson
patent: 5181737 (1993-01-01), Lenzen
patent: 5217244 (1993-06-01), Bauer
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patent: 5288103 (1994-02-01), Parker et al.
Barnes Kenneth J.
Bauer David J.
Huber John F.
Towler Michael P.
Benefiel John R.
Culbreth Eric D.
Tip Engineering Group, Inc.
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