| 摘要 |
PURPOSE: A seat belt device for vehicles is provided to wind or unwind a shoulder webbing or a lap webbing by using an integral retractor pre-tensioner with a spool. CONSTITUTION: A seat belt device for vehicles comprises a seat belt(20) and an integral retractor pre-tensioner(30). The seat belt comprises a shoulder webbing(21) and a lap webbing from a buckle tongue(10). The shoulder webbing restricts a shoulder and breast of a passenger. The lap webbing ties the pelvis and lower body of the passenger. The integral retractor pre-tensioner is fixed to a car body. One end of the shoulder webbing and one end of the lap webbing are wound around the integral retractor pre-tensioner at the same time. The integral retractor pre-tensioner retracts the shoulder webbing and the lap webbing when an accident occurs. |
