Patent ID: 7946621
Filing Date: 2011-05-24
Classification: B60R

Abstract:
1. An airbag device for a vehicle, said airbag device comprising: an inflator that generates high-pressure gas upon receiving an impact; and an airbag that is configured and arranged to deploy in an area of the vehicle between an occupant and a vehicle body side portion from a folded state upon receiving the high-pressure gas from the inflator, wherein: the airbag is provided with a deployment restriction member that restricts a height of the airbag in a vehicle body vertical direction during deployment, the deployment restriction member is provided inside the airbag and comprises a belt member which extends in the vehicle vertical direction during deployment of the airbag, the belt member is joined to the airbag at at least two portions that are spaced apart from each other, the deployment restriction member is shorter than a vertical dimension between peripheral edges of the airbag when deployed, the airbag comprises first and second base fabrics which are interconnected by joining edge portions thereof, an upper end portion of the belt member is fixed at a joining location of the edge portions at an upper part of the airbag, and at least one additional portion of the belt member spaced from the upper end portion is fixed to the first and second base fabrics at portions of the base fabrics spaced from the upper part of the airbag such that the height of the airbag in the vehicle body vertical direction is restricted between the fixed portions of the belt member, and the airbag has a middle joining portion that joins left and right side walls of the base fabrics in a vehicle width direction in an area of the airbag located midway between upper and lower joining locations of edge portions of the base fabrics of the airbag, and said at least one additional portion of the belt member spaced from the upper end portion of the belt member is fixed to the middle joining portion.