Patent ID: 7393005

Claim:
A seat with an integrated air bag for a vehicle, in a seat back of the seat an accommodation space is formed, an air bag module, in which the air bag is folded, being arranged in the accommodation space, the seat back comprising: a side cover portion for covering the air bag module and defining a side of the seat back; a lumbar support portion for supporting a back portion of a passenger; and a side support portion for supporting a side of a lumbar of the passenger, wherein an end of said side cover portion is normally in engagement with said side support portion, said side support portion cooperating with the side cover portion to define a passageway in communication with said accommodation space and leading to an area of engagement between said side cover portion and said side support portion, wherein the air bag module is arranged on a rear side of the side support portion in the accommodation space, the side support portion is oscillated toward a front of the vehicle and away from said side cover portion, which remains generally stationary with respect to the vehicle, such that said side support portion disengages and separates from the side cover portion to create an opening in communication with said passageway by a development pressure of the air bag in the air bag module, the air bag module is arranged inside an air bag holding member, a cross section of which is substantially U-shaped with a left arm portion and a right arm portion, the front side of the U-shaped air bag holding member is open, and the air bag module is arranged in the accommodation space together with the air bag holding member.