摘要 |
A side airbag apparatus has an inflator 31 , an airbag 22 , and a tether (partition portion) 26 . The tether 26 partitions an internal space SI of the airbag 22 into a lumbar region protection chamber 27 inflated beside lumbar regions Pp of an occupant P and a thorax protection chamber 28 protecting a thorax Pt and an abdominal region Ps. The side airbag apparatus inflates the lumbar region protection chamber 27 at a higher internal pressure than the thorax protection chamber 28 . In the side airbag apparatus, the tether 26 is disposed in the internal space SI so as to be inclined downward toward the front of the vehicle. The area corresponding to the lumbar region protection chamber 27 of the airbag 22 is folded along the inclination of the tether 26.
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