Land vehicles – Wheeled – Attachment
Patent
1994-02-15
1994-12-13
Culbreth, Eric D.
Land vehicles
Wheeled
Attachment
280732, 165 41, 219202, B60R 2120
Patent
active
053723791
ABSTRACT:
A cover normally concealing a safety air bag is adapted to rupture to form an opening for air bag deployment into the passenger compartment of a motor vehicle. The cover is formed of plastic material that tends to become embrittled and fragment when torn or pierced below a certain ambient temperature. A heater is provided behind the cover that is adapted to heat the rupture area in the event of air bag deployment. A heater control operates the heater to maintain this critical area above the fragmentation temperature when the vehicle is being operated at low ambient temperatures that would cause plastic embrittlement.
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patent: 4387290 (1983-06-01), Yasuda
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patent: 5154444 (1992-10-01), Nelson
patent: 5217244 (1993-06-01), Bauer
patent: 5256354 (1993-10-01), Chadwick
patent: 5257818 (1993-11-01), Steffens, Jr.
Culbreth Eric D.
Davidson Textron Inc.
English Peter C.
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