Patent ID: 8827306
Filing Date: 2014-09-09
Classification: B60R,B62D

Abstract:
1. An airbag apparatus, which is incorporated in a steering wheel that is rotated about a steering shaft having a longitudinal direction, the airbag apparatus comprising: a bag holder supported by the steering wheel; an airbag having an opening and a peripheral portion surrounding the opening, the airbag being located rearward of the bag holder in the longitudinal direction; an inflator that is elastically supported by the bag holder with an elastic support portion, the inflator being adapted for supplying gas into the airbag to inflate the airbag; and a retainer that includes an annular bag attachment portion having an inner rim, wherein the retainer is fastened to the bag holder at the bag attachment portion such that the peripheral portion of the airbag is held between the bag attachment portion and the bag holder, wherein the retainer further includes: the bag encompassing portion is located at least at a part of the inner rim of the bag attachment portion that is located at a position corresponding to a fastened portion where the bag attachment portion and the bag holder are fastened to each other, the arch portion is one of a plurality of arch portions, which are circumferentially arranged while being separated from one another, the bag attachment portion is fastened to the bag holder at a position between an adjacent pair of the arch portions, the bag encompassing portion is one of a plurality of bag encompassing portions, and the bag encompassing portions are arranged substantially in all areas of the inner rim of the bag attachment portion that are each located between an adjacent pair of the arch portions.