Patent ID: 7121584

Claim:
An airbag for protecting an occupant, comprising: a left half airbag to be deployed on a left side of the occupant, a right half airbag to be deployed on a right side of the occupant, said left and right half airbags being separated from each other, and a width constraining device attached to an inner middle area inside the left half airbag and right half airbag, respectively, said width constraining device constraining lateral widths of the respective left half airbag and right half airbag when the left half airbag and the right half airbag are inflated. wherein said width constraining device comprises a first constraining device disposed inside the left half airbag, and a second constraining device disposed inside the right half airbag, said first and second width constraining devices being arranged to extend substantially horizontally along one line perpendicularly to a direction that the left and right half airbags extend to the occupant.