| 摘要 |
PROBLEM TO BE SOLVED: To obtain a seat belt device capable of suppressing that an airbag bends from an end portion of a webbing when an occupant presses the airbag which is expanded/deployed.SOLUTION: A seat belt device is equipped with a webbing installed to a body of an occupant seated in a seat, and an airbag 34 attached to the webbing. The airbag 34 is equipped with an expanding portion S expanded when gas is supplied therein, and a first island portion 40 and a second island portion 42 in which dimensional changes in a thickness direction of the webbing when the gas in supplied into the inside is set to be smaller than dimensional changes in the thickness direction of the webbing of the expanding portion S. The first island portion 40 and the second island portion 42 are disposed so as to be adjacent to end portions in a width direction of the webbing and opposite to a chest part of the occupant, while the expanding portion S is expanded. |
