Airbag device and steering wheel

摘要

There are provided an airbag device and a steering wheel that can reduce the number of components and weight and allow a retainer to be easily positioned relative to an airbag cover. An airbag cover 4 includes a side wall portion 41 standing on an inner side, a recess 42 formed in an end face at almost the center of the side wall portion 41, and retaining holes 43 and 43 formed in the side wall portion 41 on both sides of the recess 42. A retainer 3 includes a first hook 31 that is fittable in the recess 42 and contactable with a bottom face 42a of the recess 42, and second hooks 32 that are contactable with inner faces 43a of the retaining holes 43. The retainer 3 is centered in a width direction by fitting the first hook 31 in the recess 42, and the side wall portion 41 is clamped in a standing direction by the first hook 31 and the second hooks 32 by contacting the first hook 31 with the recess 42 and contacting the second hooks 32 with the retaining holes 43.

主权项

1. An airbag device comprising: an airbag that is normally folded and is inflated and deployed in an emergency; an inflator for supplying gas to the airbag; a retainer for fixing the airbag and the inflator; and an airbag cover for housing the airbag,
wherein the airbag cover includes a side wall portion standing on an inner side, a recess formed in an end face at almost the center of the side wall portion, and retaining holes formed in the side wall portion on both sides of the recess, wherein the retainer includes a first hook that is fittable in the recess and contactable with a bottom face of the recess, and second hooks that are contactable with inner faces of the retaining holes, wherein the retainer is centered in a width direction by fitting the first hook in the recess, and the side wall portion is clamped in a standing direction by contacting the first hook with the recess and contacting the second hooks with the retaining holes so as to position the retainer relative to the airbag cover, and wherein the side wall portion has insertion holes on both sides of the recess, the retainer has third hooks insertable in the insertion holes, and distal ends of the third hooks have turned-back portions contactable with a side surface of the side wall portion.