Importance

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Abstract

A supplemental restraint sub-module configured for integral use with a vehicle steering wheel comprising an air bag and an inflator enclosed in a fabric envelope. The sub-module is designed to be incorporated into a well in the central hub section of a steering wheel and is configured to use the well walls and steering wheel mounting plate as reaction surfaces during air bag deployment. The sub-module design eliminates the need for a module housing and thus is smaller and lighter than traditional modules. A membrane horn switch and backing plate can also be incorporated into the sub-module design. The reduced number of parts needed to manufacture the sub-module of the present invention allows the sub-module to be manufactured at a cost reduction. The reduced size and weight of the sub-module allows room for turn signal, light controls, wiper controls and redundant accessory switches to be attached by allowing extra room for the electronics needed to operate these functions.

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First Claim