| 摘要 |
A side airbag device 1 includes a side airbag 2 configured to protect a side of an occupant D by being developed and expanded when a vehicle is impacted from the side direction. The side airbag 2 is formed with a shoulder portion compartment 21 corresponding to a shoulder portion Ds of the occupant D, a waist portion compartment 22, and a chest portion compartment 23. The shoulder portion compartment 21 includes a first wrap section 21a that overlaps, when viewed in a side direction of the vehicle, a B pillar 100, a second wrap section 21b that overlaps, when viewed in the side direction of the vehicle, a door main body section 201, and an intermediate section 21c that is formed between the first wrap section 21a and the second wrap section 21b and travels from the first wrap section 21a toward the second wrap section 21b along a door belt line DBL which is an end of the door main body section 201 on an upper side of the vehicle, when the side airbag 2 is developed and expanded. At the time of an impact from both sides, the shoulder portion Ds of the occupant D, which is in contact with the developed and expanded side airbag 2, can be sufficiently pressed to inner side of the vehicle by the developed and expanded side airbag 2.
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