| 摘要 |
An air bag (100) has an inflatable chamber (101,301) defined by a main front panel (102, 212) and a pair of side panels (104a, b; 224, 226). The air bag (100) has a vertically oriented recessed portion (110, 220) spanning along most of the length of the main panel or a limited section thereof. The recessed portion (110, 220) divides the air bag (100, 210) into two lower lobe portions (112a,b, 240, 242) on each side of the recessed portion. Upon inflation an internal tether (180, 250) is attached to the recessed portion and is anchored at or adjacent to the gas inlet passageway thereby limiting forward movement of the recessed portion upon inflation. The air bag is useful as a frontal air bag, particularly a passenger frontal air bag.
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