| 摘要 |
The airbag apparatus includes an airbag provided with a flap element for opening and closing an exhaust hole. The flap element includes a flap and an adjusting belt. The leading end region of the adjusting belt is sewn to the flap by a generally straight sewn seam and acts as a joint portion to the flap. The root region of the adjusting belt is joined to an open/close mechanism. A first terminal of the sewn seam disposed proximate a root region of the joint portion is located farther away from the open/close mechanism relative to a second terminal disposed proximate a leading end of the joint portion. The sewn seam is configured rupturable from the first terminal when the airbag inflates with the adjusting belt engaged with the open/close mechanism to separate the joint portion of the adjusting belt from the flap body so the flap uncovers the exhaust hole.
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