Patent ID: 11932190
Assignee: SUBARU CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. An airbag apparatus for a vehicle, the airbag apparatus comprising:
an airbag disposed on a rear side of an instrument panel of the vehicle, the airbag being configured to be expanded and deployed rearward of the vehicle from the instrument panel upon being supplied with gas so as to be positioned on a front side of an occupant of the vehicle in a longitudinal direction of the vehicle,
the airbag comprising:
a recess formed in a rear surface of the airbag, the recess being configured to be opened rearward of the vehicle and positioned on a front side of a head of the occupant in the longitudinal direction;
an upper expansion configured to be above the recess, expanded rearward of the vehicle and on an upper side surface of the recess in a vertical direction of the vehicle, the upper expansion being configured to extend in a lateral direction of the vehicle over a width of the airbag;
a left side expansion and a right side expansion in pairs configured to be expanded rearward of the vehicle and on respective sides of the recess in a width direction of the airbag; and
a lower expansion being configured to be below the recess, expanded rearward of the vehicle and on a lower side surface of the recess in the vertical direction, the lower expansion being configured to extend and protrude in the lateral direction over the width of the airbag and positioned on a front side of a chest of the occupant in the longitudinal direction,

wherein each of the upper expansion, the left side expansion, the right side expansion, and the lower expansion are configured to form curved walls toward each other at a rear portion of the airbag with a vertex at the recess.