Patent ID: 8651523

Claim:
An airbag which is inflated rearward from an instrument panel of a vehicle to come to close a passenger seated in a passenger seat, the airbag comprising: a base chamber which is disposed at a front side of the vehicle; a left-half airbag which is continuous with the base chamber and is inflated on a front-left side of the passenger, wherein a first opening is formed through the left-half airbag at an upper portion thereof, and a second opening is formed through the left-half airbag at a lower portion thereof; and a right-half airbag which is continuous with the base chamber and is inflated on a front-right side of the passenger wherein a first opening is formed through the right-half airbag at an upper portion thereof, and a second opening is formed through the left-half airbag at a lower portion thereof, wherein a recess is formed between the left-half airbag and the right-half airbag so as to face the passenger, when the airbag is inflated in front of the passenger, wherein the first opening of the left-half airbag and the first opening of the right-half airbag are communicated with each other, and the second opening of the left-half airbag and the second opening of the right-half airbag are communicated with each other, wherein a first seam joining the left-half airbag and the right-half airbag is formed to surround the first openings of the left-half airbag and the right-half airbag, and a second seam joining the left-half airbag and the right-half airbag is formed to surround the second openings of the left-half airbag and the right-half airbag, and wherein the first seam is located above an entrance line along which a top of a head of an AF05 test dummy enters the airbag and is substantially parallel with the entrance line.