Air bag cover door retainer

Details Air bag cover door retainer Air bag cover door retainer

1992-02-24

1993-05-18

Stormer, Russell D.

Land vehicles

Wheeled

Attachment

280732, B60R 2116

Patent

active

052114210

ABSTRACT:
A vehicle air bag installation includes an inflatable air bag mounted in an instrument panel recess for deployment through a rectangular opening. A rectangular cover door engages a recessed abutment around the opening when closed. The abutment includes two apertures which mount rubber fasteners adjacent its rear corners. The fasteners comprise enlarged heads at one end, an intermediate shaft, a shaft enlargement spaced from the head and a mounting shank at the other end received in the abutment apertures. Bifurcated engagement flanges on the door releasably engage the fastener shafts between the heads and the enlargements to mount the door rear edge in the panel opening. Interengageable surfaces on the door and panel have an interference fit to retain the door front edge mounted to the panel. Each fastener has a conical mounting shank having a nipple extending from its end. The nipple extends through and beyond the apertures to enable it to be grasped to deform and pull the shanks through the apertures to secure the fasteners against removal. Air bag inflation applies an upward force to the door which initially disengages the interengageable surfaces which frees the front door edge. This causes the door and the engagement flanges to move upward and forward to stretch and bend the fasteners until the flanges disengage the fastener heads, thus freeing the door rear edge, enabling the entire door to move out of the path of the deploying air bag.

REFERENCES:
patent: 4842299 (1989-06-01), Okamura et al.
patent: 4893833 (1990-01-01), Disalvo et al.
patent: 5060972 (1991-10-01), Satoh et al.
patent: 5150919 (1992-09-01), Sakakida et al.

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