| 摘要 |
An inflatable seatbelt system wherein if extremely high acceleration acts on the vehicle laterally when a lateral collision or other similar emergency situation occurs and this acceleration exceeds a first set value, a gas generator is activated to inflate a shoulder belt (2) surely and almost instantaneously in the same way as in a case where extremely high deceleration acts on the vehicle longitudinally. In this case, a portion of the shoulder belt (2a) extending between first and second anchors (6) and (20) also inflates to a large extent. Accordingly, the head and face of the occupant (M) are brought into contact with the inflated shoulder belt portion (2a) by the lateral acceleration. Therefore, the heavy impact load, which would otherwise be applied to the occupant's head and face, is relieved. Thus, the occupant's head and face are effectively and reliably protected.
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