Air bag cover opening mechanism for use in vehicle

Details Air bag cover opening mechanism for use in vehicle Air bag cover opening mechanism for use in vehicle

1991-08-13

1993-04-06

Rice, Kenneth R.

Land vehicles

Wheeled

Attachment

280743, B60R 2116

Patent

active

051997398

ABSTRACT:
An air bag cover opening mechanism for an air bag for use in a vehicle. An air bag cover for closing an opening provided in an air bag case with an air bag accommodated therein has at one end thereof a hinge formed integrally with an inner surface layer of the air bag cover. A slit is provided in the inner surface layer of the air bag cover at the other end thereof to allow one end of a retainer to be retained therein. The other end portion of the retainer has a hole. With this hole aligned with a hole provided in a side wall of the air bag case, a spacer is inserted into the aligned holes, and a bolt is threadedly inserted into an internally threaded hole provided in the spacer and is tightened, thereby allowing the retainer to be rotatably held onto the air bag case and the other end of the air bag cover to be fixed. At the time of inflation of the air bag, the retainer rotates such that only a tensile load oriented in the same direction as the direction of a load applied to the air bag cover acts on the retainer, allowing a breaking portion of the retainer to be broken.

REFERENCES:
patent: 4842299 (1989-06-01), Okamura et al.
patent: 5060972 (1991-10-01), Satoh et al.

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