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US 7,841,620 B2Granted
Vehicle airbag device
AssigneeHonda Motor Co., Ltd.
InventorsTakeshi Kai, Takeru Fukuda, Takeshi Fujimaki
Life of this patent
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Abstract
An airbag device provided in a side of a vehicle seat, which device comprises a case for accommodating a folded airbag. The case has a lid and a wall. The lid has tear lines formed so as to rupture when the airbag deploys and separate the lid into a plurality of parts. A hinge is formed on a boundary between the lid and the wall.
Claims5
A vehicle airbag device, comprising:
- a side airbag that is disposed sidewardly of a vehicle seat;
- and
- a case for accommodating the airbag in a folded state,
- wherein the case comprises:
- a lid positioned in a direction of deployment of the side airbag;
- a wall for restricting deployment of the side airbag in the deployment direction, wherein the wall is supported by a seat back frame of the vehicle seat;
- a plurality of tear lines provided in the lid such that the plurality of tear lines rupture when the side airbag deploys and separate the lid into a plurality of parts;
- a plurality of hinge parts positioned on a boundary between each of the separated lid parts and the wall;
- and
- a plurality of secondary tear lines provided in the lid that extend from respective distal ends of the plurality of tear lines toward the wall, wherein the secondary tear lines have a thickness less than a thickness of the wall.
7 more elements
Dependencies are inferred from the claim text.