Patent ID: 6902186
Filing Date: 2005-06-07
Classification: B60R

Abstract:
1. A knee protecting airbag device to be arranged in front of the knees of a seated occupant, comprising: a knee protecting airbag folded; an inflator for feeding said airbag with an inflating gas; a case for housing said airbag and said inflator, said case being opened at the vehicular rear side and mounted and fixed on the body side of the vehicle; and an airbag cover adapted to be assembled with said case and including: a door covering the opening of said case and openable when said airbag is expanded and inflated; and a general portion arranged around said door and surrounded by an interior member of the vehicle when mounted on the vehicle, wherein: said knee protecting airbag device is constructed such that an airbag assembly is formed by assembling said airbag, said inflator and said airbag cover with said case and mounted on the vehicle; and said airbag cover is assembled so movably with said case as to absorb an assembling error between itself and said interior member arranged therearound; wherein: said case includes: a peripheral wall portion opened at the rear end side while enclosing said airbag and said inflator housed therein; and assembling members arranged on the outer surface of said peripheral wall portion and capable of being assembled with said airbag cover; said airbag cover includes: assembling pieces protruding toward the vehicular front side from said general portion and to be arranged adjacent to the portions of the peripheral wall portion of the case, at which said assembling members are arranged; and an assembling hole bored through said assembling piece at the position corresponding to said assembling member; and said assembling member includes: a retaining frame inserted into said assembling hole for retaining said assembling piece; and a come-out stopper so arranged at the end of said retaining frame as to protrude from said assembling hole to the outer surface side of said assembling piece, and capable of retaining the peripheral edge of said assembling hole formed on the outer surface side of said assembling piece; said assembling members are individually arranged on the opposed wall portions in said case peripheral wall portion; and the come-out stopper of said assembling member arranged on at least one wall portion includes: a bent portion so arranged bent at the end of said retaining frame as to protrude from said assembling hole to the outer surface side of said assembling piece, and formed integrally with said retaining frame; and a locking bar made separate from said bent portion and so arranged and fixed between said bent portion and said assembling piece as to prevent said bent portion from coming out of said assembling hole.