VEHICLE SEAT

In a vehicle seat provided with an airbag module, the reliability of expansion and deployment of an airbag can be improved with a simple configuration, and the burden of assembly work can be reduced.A seat (1) is provided with an airbag assembly (4) affixed to a backrest side frame (11); a trim cover (14) having a ruptured portion (20) that ruptures as an airbag of the airbag assembly expands andexpands; a first reinforcement cloth (30) and a second reinforcement cloth (31) for guiding the inflated airbag to the ruptured portion; a first fixing member (32) that is attached to the backrest side frame and that supports the first reinforcing cloth in a stretched manner; and a second fixing member (33) for stretching and supporting the second reinforcing cloth. The backrest side frame has apair of first mounting holes (39) into which both ends (36) of the first fixing member are inserted, and a pair of second mounting holes (40) into which both ends (38) of the second fixing member areinserted. 在具备安全气囊组件的交通工具用座椅中