Patent ID: 11904970
Assignee: AUTOLIV DEVELOPMENT AB
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An airbag module, comprising:
a folded or rolled airbag cushion,
an inflator equipped in the airbag cushion, and
housing for stowing the airbag cushion, wherein
the housing has a convex polygonal shape in cross section and has an opening on the upper side, and when the airbag cushion expands and deploys, a first pair of mutually opposed side surfaces are separated from each other,
the airbag module further comprises a cover covering the opening and side surfaces of the housing,
the cover includes an upper surface portion that covers the opening of the housing and is formed with a first weak portion that extends in the longitudinal direction of the upper surface portion, is weaker than a surrounding area thereof, and is cleaved by a separation of the first pair of side surfaces,
the cover further includes a portion that covers a second pair of mutually opposed side surfaces of the housing and is formed with second weak portions that respectively extend continuously from a lower part of both ends of the first weak portion, are weaker than a surrounding areas thereof, and cleave subsequent to cleaving of the first weak portion, and
the housing and the cover are each opened rotationally with respect to the longitudinal axis to deploy the airbag cushion.