| 摘要 |
PROBLEM TO BE SOLVED: To provide an air bag device wherein an air bag able to inflate and extend toward the body side part and a head side part of a sitter is provided, and by instantaneously concentrating a pressure of inflation of each air bag by a force cloth to a burst part of a trim cover, even when an output pressure of an inflator is low set, the burst part of the trim cover can be surely cut to open by a pressure of inflation of the air bag. SOLUTION: Each piece end is sewn together in a seam 2c serving as a burst part 3 of a trim cover 2, and the other end is locked to a seat back frame side, and in the inside from the seam 2c serving as the burst part 3 over to both a front cover part 2a and a side surface cover part 2b of the trim cover 2, a force cloth 7a, 7b, 8a, 8b of small elongation is provided in an inflation extending region of an air bag corresponding to the body side part and head side part of a sitter. |
