SIDE AIRBAG APPARATUS

[Problem] To provide a side airbag apparatus that improves passenger restraining performance and maintains a form at the time of housing. [Solution] A side airbag apparatus includes a frame-side plate portion of a seat , and an airbag module attached to the frame-side plate portion . The airbag module includes a bracket , an inflator , an airbag cushion , and a soft cover that is wrapped around the bracket and the airbag cushion in a housing form. The bracket includes a through-hole through which a stud bolt extending from the inflator passes, and a hook provided at predetermined location on the front side of the frame-side plate portion . The soft cover includes a bolt anchoring hole to which the stud bolt is hooked, and a hook anchoring hole to which the hook of the bracket is hooked.