Airbag and airbag device
First Claim
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1. An airbag for protecting an occupant comprising:
- a panel forming the airbag and having an occupant counter surface with a head counter portion to face a head of the occupant when the airbag is inflated, a recess portion formed in the head counter portion when the airbag is inflated, a regulation member for regulating inflation of the head counter portion toward the occupant, said regulation member forming the recess portion by regulating inflation of the head counter portion toward the occupant upon inflation of the airbag, anda sub-regulation member for connecting a lower portion of the occupant counter surface which is located below the recess portion upon inflation of the airbag, and shorter in length than the regulation member,wherein the regulation member and the sub-regulation member are formed of tether,the regulation member includes a structure to release regulation after a predetermined time from a moment when the airbag starts inflation, andthe sub-regulation member ruptures before releasing the regulation of the regulation member upon inflation of the airbag, and the head counter portion of the airbag inflates earlier than the lower portion.
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Abstract
An airbag for protecting an occupant includes a panel forming the airbag and having an occupant counter surface with a head counter portion to face a head of the occupant when the airbag is inflated. A recess portion is formed in the head counter portion when the airbag is inflated. The airbag also includes a regulation member for regulating inflation of the head counter portion toward the occupant. The regulation member forms the recess portion by regulating inflation of the head counter portion toward the occupant upon inflation of the airbag. The regulation member is configured to release regulation after a predetermined time from a moment when the airbag starts inflation.
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Citations
17 Claims
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1. An airbag for protecting an occupant comprising:
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a panel forming the airbag and having an occupant counter surface with a head counter portion to face a head of the occupant when the airbag is inflated, a recess portion formed in the head counter portion when the airbag is inflated, a regulation member for regulating inflation of the head counter portion toward the occupant, said regulation member forming the recess portion by regulating inflation of the head counter portion toward the occupant upon inflation of the airbag, and a sub-regulation member for connecting a lower portion of the occupant counter surface which is located below the recess portion upon inflation of the airbag, and shorter in length than the regulation member, wherein the regulation member and the sub-regulation member are formed of tether, the regulation member includes a structure to release regulation after a predetermined time from a moment when the airbag starts inflation, and the sub-regulation member ruptures before releasing the regulation of the regulation member upon inflation of the airbag, and the head counter portion of the airbag inflates earlier than the lower portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification