| 摘要 |
An air bag device providing for reduced effects of heat on a bag. A bag and an inflator of an air bag device are affixed in a retainer by a bag plate. The bag plate includes a semi-circular arch portion and flanges formed at the sides of the arch portion. The arch portion of the bag plate is provided with circular openings and beads projecting toward the inside, the beads being disposed at the outer sides of the circular openings, respectively. When assembled, the beads are in line contact with a cylindrical outer face of the inflator. By virtue of the beads, the area of direct contact between the bag plate and the cylindrical outer face of the inflator is reduced and a gap is formed therebetween. As a result, heat generated when the inflator operates is not likely to be transmitted to the bag plate.
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