Land vehicles – Wheeled – Attachment
Patent
1991-10-17
1993-07-13
Graysay, Tamara L.
Land vehicles
Wheeled
Attachment
B60R 2216
Patent
active
052266710
ABSTRACT:
An inflatable vehicle air bag is formed of flexible material. A fluid inlet opening is defined by a base portion of the flexible material which circumscribes a central axis. A plurality of deflectable flaps and a plurality of mounting holes are formed in the flexible material. The mounting holes are located radially outward from the deflectable flaps. Segments of reinforcement and resistant materials overlie the gas inlet opening and are secured to the flexible air bag material by concentric seams which surround the central axis. The segments of reinforcement and heat resistant materials have mounting holes located between the concentric seams and aligned with the mounting holes in the air bag material. Moreover, the segments of reinforcement and heat resistant materials form deflectable portions which overlie the deflectable flaps of the flexible air bag material. The air bag is adapted to be secured to a structural part of an occupant restraint system by fasteners (e.g., bolts, rivets) which extend through the mounting holes. The configuration of the fluid inlet opening, the location of the mounting holes, and the reinforcement and heat resistant materials combine to redirect fluid from the inflator into the air bag and to resist tearing of the air bag away from the occupant restraint system under the heat and pressures which are applied to the air bag during its deployment.
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Graysay Tamara L.
TRW Inc.
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