| 摘要 |
PROBLEM TO BE SOLVED: To displace a bag body in a width direction of webbing by expansion.SOLUTION: In a seat belt device 10, gas is supplied into a bag 30 to expand and unfold the bag 30 in an emergency of a vehicle. In this case, a first connection part 36 provided in a position of shoulder webbing 18A of the bag 30 connects a front-side layer 32A and a back-side layer 32B of the bag 30 together in a position to deviate to the upside with respect to a width-direction center line of the bag 30. Thus, when the bag 30 is expanded and unfolded, the position of the shoulder webbing 18A of the bag 30 can be displaced by curving and deforming it to the downside. |
