Patent attributes
A side airbag device is to be attached to a side portion of a seat back and includes an inflator and a bag-shaped airbag. The airbag includes a first inflation part at which a gas ejection hole of the inflator is disposed and configured to be inflated and deployed beside a body of an occupant, and a second inflation part communicating with the first inflation part and configured to be inflated and deployed beside a head of the occupant. A portion of the first inflation part is configured to be inflated and deployed above a console box and to come into contact with an upper surface of the console box. In a state where the airbag is folded, the second inflation part is folded to overlap the first inflation part such that the second inflation part is arranged inward of the first inflation part in a vehicle width direction.
