Patent ID: 7281734

Claim:
An airbag to be inflated with gas for protecting an occupant, comprising: a front portion facing the occupant, a rear portion opposite to the occupant to form the airbag with the front portion, said rear portion having a first opening for inserting a gas generator, an inner panel disposed in the airbag for dividing the airbag into a first chamber located in a center portion of the airbag and a second chamber surrounding the first chamber, said inner panel having a second opening arranged generally coaxially with the first opening and a communication opening at a rear side thereof for communicating the first chamber with the second chamber, said communication opening being adapted to be situated on an ejecting direction that the gas is ejected from the gas generator when the airbag is inflated, and a guide device disposed in the first chamber for guiding the gas from the gas generator toward the communication opening, said guide device having a vent hole facing the communication opening of the inner panel for directing the gas to the communication opening.