Patent ID: 7926840

Claim:
An airbag device for a vehicle comprising: an inflator; and an airbag cushion received in a space defined between a roof panel and a head liner such that the airbag cushion expands downwards with gas supplied from the inflator, thereby protecting a passenger sitting in a rear seat, wherein the airbag cushion includes a concave head seat formed in a rear portion thereof to receive and hold a head of the passenger when the airbag cushion expands; and a housing installed in the space defined between the roof panel and the head liner and the airbag cushion is received in the housing; wherein the airbag cushion comprises: a roof support provided at an upper front portion of the airbag cushion to protrude forwards in a predetermined distance during expansion of the airbag cushion, thus being supported by the head liner; the concave head seat formed inclined downwards in a rearward direction of the vehicle in the rear portion of the airbag cushion such that the concave head seat becomes gradually deeper and then shallower; and shoulder supports protruding rearwards from both sides of the concave head seat to support shoulders of the passenger.