Air bag apparatus
First Claim
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1. A passenger seat air bag apparatus comprising:
- a container having a front opening, a gas generator, an air bag accommodated in the container in a folded state and including a gas inlet through which gas from the gas generator is received, an end portion formed around the gas inlet connected to the container, a middle portion extending perpendicular to a longitudinal direction of the container and having a width substantially same as a length of the longitudinal direction of the container and left and right side portions relative to the middle portion when the air bag is placed in a flat form, said left and right side portions being respectively folded inwardly in a form of first bellows under the middle portion to have a clearance therebetween and to form an intermediate folding body so that the left and right side portions do not overlap with each other under the middle portion to substantially directly provide the gas from the gas generator to the middle portion when the gas generator is actuated, said intermediate folding body having two halves separated by the gas inlet, at least one of said halves being folded in a form of second bellows so that flat portions of the second bellows extend vertically relative to the gas generator and disposed in the container above the gas generator, and a lid covering the opening of the container.
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Abstract
An air bag is folded and accommodated in a container to be inflated by an inflator. An end portion of a gas inlet of the air bag is fastened to the container. The air bag has left and right side portions folded in a form of bellows to form an elongated intermediate folding body. Two sides of the intermediate folding body are folded in a form of bellows or a roll and accommodated in the container. The air bag can be inflated very smoothly.
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Citations
5 Claims
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1. A passenger seat air bag apparatus comprising:
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a container having a front opening, a gas generator, an air bag accommodated in the container in a folded state and including a gas inlet through which gas from the gas generator is received, an end portion formed around the gas inlet connected to the container, a middle portion extending perpendicular to a longitudinal direction of the container and having a width substantially same as a length of the longitudinal direction of the container and left and right side portions relative to the middle portion when the air bag is placed in a flat form, said left and right side portions being respectively folded inwardly in a form of first bellows under the middle portion to have a clearance therebetween and to form an intermediate folding body so that the left and right side portions do not overlap with each other under the middle portion to substantially directly provide the gas from the gas generator to the middle portion when the gas generator is actuated, said intermediate folding body having two halves separated by the gas inlet, at least one of said halves being folded in a form of second bellows so that flat portions of the second bellows extend vertically relative to the gas generator and disposed in the container above the gas generator, and a lid covering the opening of the container. - View Dependent Claims (2, 3, 4, 5)
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Specification