AIRBAG DEVICE FOR VEHICLE

原文（中国語）

An airbag cushion of a vehicle airbag device has a bottom surface into which the inflator is inserted, a restraining surface on the occupant side, a side surface connecting the bottom surface and the restraining surface, a recess part formed in a prescribed range in the center of the restraining surface and recessed toward the bottom surface side, and one or more tethers stretched between the recess part and the bottom surface. The recess part is formed by being pulled toward the bottom surface side by the tether during expansion and deployment. The airbag cushion further has folds and restraining parts formed along the imaginary line on the inner wall of the recess part during inflation and deployment.