| 主权项 |
1. A side airbag apparatus comprising an airbag, the apparatus being adapted for installation in a vehicle seat, wherein
the vehicle seat includes a storage portion in a side, a cover for covering the storage portion, and a hinge portion provided to the cover, the airbag is stored in the storage portion and fixed to the vehicle seat, in response to an impact from a side of the vehicle seat, inflation gas is supplied to deploy and inflate the airbag, the apparatus is configured such that at least a part that is forward of the hinge portion is displaced sideways from the vehicle seat with the hinge portion of the cover functioning as a pivot, so that the storage portion is opened to allow the airbag to be deployed and inflated forward, the airbag includes at least an upstream inflation portion that forms at least a rear part of the airbag and receives inflation gas, and a downstream inflation portion, at least a part of which is located forward of the upstream inflation portion, wherein the downstream inflation portion receives inflation gas that has flowed through the upstream inflation portion, and the upstream inflation portion has a front end that is located forward of a front end of the cover when the upstream inflation portion is inflated. |
