Patent attributes
An air bag apparatus, includes: an inflator; an air bag having a corner portion that is projectable radially outwardly and a guide portion that is provided on a back side of a surface to face an occupant of the vehicle; and a strip that is disposed in an interior of the air bag so that a deployment shape of the air bag is controlled by virtue of a tensile force acting on the strip. The strip has one end that is fixed to the corner portion. The air bag has a mounting portion at which the other end of the strip is fixed. The strip is arranged to pass through the guide portion slidably to be fixed to the mounting portion at the other end thereof.