Patent ID: 8608200

Claim:
A passenger seat air bag comprising an air bag body that is folded up and that is provided with vent holes in opposite side faces thereof and an inflator opening on a base end side thereof, wherein: a bottom side which is to be a lower side when the air bag body is completely inflated is rolled so as to be formed as a bottom side folded piece; a top side which is to be an upper side when the air bag body is completely inflated is rolled so as to be formed as a top side folded piece, and the top side folded piece is put on a passenger side of the bottom side folded piece so as to be formed as a laminated piece of the bottom side folded piece and the top side folded piece; a left side and a right side of the laminated piece which are to be a left side and a right side of a passenger respectively are folded into concertinas so as to be formed as a left side folded piece and a right side folded piece; the left side folded piece and the right side folded piece are disposed on a left-right-direction center portion of the laminated piece so as to make a space between the left side folded piece and the right side folded piece; and the vent holes are located in outward faces of the left side folded piece and the right side folded piece respectively.