Patent ID: 8919811

Claim:
A knee airbag with clamshell housing module comprises: an airbag; an inflator; a one-piece housing, the housing containing the airbag and inflator within a hollow interior of the housing formed by a first housing part and a second housing part, the first and second housing parts being locked together along four common sides and remain locked together in locking engagement during airbag deployment, along three common sides by a locking engagement snap in feature and where each first and second housing parts are joined by a hinge extending along a fourth housing side, the housing includes a deployable rotatable door cover formed as a portion of the second part between the hinge and a tear seam and being partially separated from the second part by the tear seam which upon deployment tears permitting the door cover to rotate and articulate about the hinge as the airbag is inflated extending upward relative to the lower portion of the instrument panel between the instrument panel and an occupant's knees.