US Patent 9573553 Airbag apparatus

An airbag apparatus capable of protecting an occupant using a single airbag while corresponding to various positions of a vehicle where a collision occurs. An airbag of the airbag apparatus is installed on a seatback, and deployed from an upper side of the occupant's head to a lower side of the occupant's head to surround the occupant's upper body, together with the seatback.