| 摘要 |
An air bag device has a gas generator mounted on a vehicle body, and an air bag attached around the gas generator. The air bag is inflated by the gas discharged from the gas generator in an emergency of the motor vehicle. A ring-shaped retainer is arranged around the gas generator for fixing a peripheral portion of an opening of the air bag to a flange formed around the gas generator. The peripheral portion is bent along the inside end of the retainer so as to project into the air bag, thereby forming a saddle-shaped projecting portion which is in contact with the inside end of the retainer. When the air bag is inflated by the gas discharged from the gas generator, and the peripheral portion of the opening of the air bag is pulled outwardly with respect to the gas generator due to a tension applied to the air bag, the saddle-shaped projecting portion abuts the inside end of the retainer, thereby resisting the above tension.
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