Patent attributes
An airbag includes: a first inflatable section that is inflated and deployed forward from the upper portion of a seat back through the left side of a head of an occupant; a second inflatable section that is inflated and deployed forward from the upper portion of the seat back through the right side of the head of the occupant; and a third inflatable section that is continuous with lower portions of front portions of the first inflatable section and the second inflatable section and that is inflated and deployed in front of the chest of the occupant. The front portions of the first and second inflatable sections extend in directions intersecting the vehicle front-rear direction so as to be closer to each other toward the front side. The front portions meet each other at a front end of the airbag.