Head-protection airbag device
First Claim
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1. A head-protection airbag device, comprising:
- an airbag stored along a roof side rail, and including a gas-introducing path provided at its upper edge and a plurality of inflation chambers, the plurality of inflation chambers comprising direct inflation chambers and indirect inflation chambers;
a gas distribution pipe provided within the gas-introducing path, for introducing into the plurality of inflation chambers a gas supplied from a gas supplier; and
a plurality of gas outlets provided in the gas distribution pipe, each gas outlet disposed corresponding to at least one direct inflation chamber;
wherein;
gas is supplied from the gas supplier into the plurality of inflation chambers through the plurality of gas outlets of the gas distribution pipe;
the airbag is inflated and deployed like a curtain along a sidewall of a vehicle compartment so as to protect a head of a seated occupant;
each direct inflation chamber has a smaller volume than each indirect chamber; and
each direct inflation chamber is disposed at a location away from a head-rest of an adjacent seat in a fore-and-aft direction of a vehicle.
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Abstract
The head-protection airbag device comprises an airbag stored along a roof side rail and including a gas-introducing path at its upper edge. A gas is supplied from a gas supplier into an inflation chamber through a gas distribution pipe provided within the gas-introducing path, whereby the airbag is inflated and deployed like a curtain along a sidewall of a vehicle compartment so as to protect a head of an occupant. Gas outlets of the gas distribution pipe are oriented in different directions in a region corresponding to a door glass portion and in a region corresponding to a pillar garnish portion.
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Citations
4 Claims
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1. A head-protection airbag device, comprising:
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an airbag stored along a roof side rail, and including a gas-introducing path provided at its upper edge and a plurality of inflation chambers, the plurality of inflation chambers comprising direct inflation chambers and indirect inflation chambers;
a gas distribution pipe provided within the gas-introducing path, for introducing into the plurality of inflation chambers a gas supplied from a gas supplier; and
a plurality of gas outlets provided in the gas distribution pipe, each gas outlet disposed corresponding to at least one direct inflation chamber;
wherein;
gas is supplied from the gas supplier into the plurality of inflation chambers through the plurality of gas outlets of the gas distribution pipe;
the airbag is inflated and deployed like a curtain along a sidewall of a vehicle compartment so as to protect a head of a seated occupant;
each direct inflation chamber has a smaller volume than each indirect chamber; and
each direct inflation chamber is disposed at a location away from a head-rest of an adjacent seat in a fore-and-aft direction of a vehicle. - View Dependent Claims (2, 3, 4)
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Specification