US Patent 9981624 Seat assembly with air bag

A seat assembly for a motor vehicle includes: a supporting structure, designed to be mounted on the floor panel of the motor vehicle; a seat, which is mounted on the supporting structure and includes a sitting portion and a backrest portion; and an airbag unit, including at least one airbag, which is folded into a housing provided in the seat assembly and is inflatable into an expanded condition outside the housing, whereby the at least one airbag has a conformation such that, in the expanded condition, the at least one airbag identifies a protection wall that surrounds the backrest portion of the seat.