Air belt device
First Claim
Patent Images
1. An air belt device comprising:
- a shoulder belt section that is worn from a shoulder on one side in a seat width direction of a passenger who is seated on a seat to a lumbar on another side in the seat width direction, whereinthe shoulder belt section includes an inflation section that is inflated by a supply of gas and in which a portion on a head side of the passenger with respect to a center section in a width direction of the shoulder belt section is deployed to be larger than a portion on an opposite side from the head side,the inflation section includes a tether that restricts an inflation thickness more on the opposite side from the head side than on the head side, andthe tether is provided on the head opposite side with respect to a center line in a folded state of a bag and connects between base clothes that face each other.
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Abstract
An air belt device includes a shoulder belt section that is worn from a shoulder on one side in a seat width direction to a lumbar on another side in the seat width direction of a passenger, who is seated on a seat. The shoulder belt section includes an inflation section that is inflated by a supply of gas and in which a portion on a head side of the passenger with respect to a center section in a width direction of the shoulder belt section is deployed to be larger than a portion on an opposite side from the head side.
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Citations
13 Claims
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1. An air belt device comprising:
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a shoulder belt section that is worn from a shoulder on one side in a seat width direction of a passenger who is seated on a seat to a lumbar on another side in the seat width direction, wherein the shoulder belt section includes an inflation section that is inflated by a supply of gas and in which a portion on a head side of the passenger with respect to a center section in a width direction of the shoulder belt section is deployed to be larger than a portion on an opposite side from the head side, the inflation section includes a tether that restricts an inflation thickness more on the opposite side from the head side than on the head side, and the tether is provided on the head opposite side with respect to a center line in a folded state of a bag and connects between base clothes that face each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An air belt device comprising:
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a shoulder belt section that is worn from a shoulder on one side in a seat width direction of a passenger who is seated on a seat to a lumbar on another side in the seat width direction, wherein the shoulder belt section includes an inflation section that is inflated by a supply of gas and in which a portion on a head side of the passenger with respect to a center section in a width direction of the shoulder belt section is deployed to be larger than a portion on an opposite side from the head side, the inflation section includes a bag that is inflated from a folded state by the supply of the gas and a tether that restricts an inflation thickness on the opposite side from the head side, a peripheral length of a portion of the bag that is deployed on the head side with respect to the tether in the width direction of the shoulder belt section is longer than a peripheral length of a portion thereof that is deployed on the opposite side from the head side with respect to the tether in the width direction of the shoulder belt section in a cross-sectional view that is orthogonal to a longitudinal direction of the shoulder belt section in the folded state, the bag has a middle folded section that is folded inward to a center side in the width direction of the shoulder belt section from the head side, and an end on the head side that includes the middle folded section is sewn at a tear seam that is torn by inflation pressure of the bag.
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11. An air belt device comprising:
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a shoulder belt section that is worn from a shoulder on one side in a seat width direction of a passenger who is seated on a seat to a lumbar on another side in the seat width direction, wherein the shoulder belt section includes an inflation section that is inflated by a supply of gas and in which a portion on a head side of the passenger with respect to a center section in a width direction of the shoulder belt section is deployed to be larger than a portion on an opposite side from the head side, the inflation section includes the bag that is inflated from the folded state by the supply of the gas, a peripheral length of a portion of the bag that is deployed on the head side with respect to the center section in the width direction of the shoulder belt section is longer than a peripheral length of a portion thereof that is deployed on the opposite side from the head side with respect to the center section in the width direction of the shoulder belt section in a cross-sectional view that is orthogonal to a longitudinal direction of the shoulder belt section in the folded state, the bag has a folded back section that is folded back to the center section in the width direction of the shoulder belt section from the head side, the inflation section includes a cover member that covers the bag and has a torn section in which a portion in a peripheral direction is torn by inflation pressure of the bag, a tether is provided entirely on the opposite side from the head side with respect to a center line in a folded state of a bag and connects between base clothes that face each other, and the inflation section is provided on a webbing that constitutes the shoulder belt section.
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12. An air belt device comprising:
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a shoulder belt section that is worn from a shoulder on one side in a seat width direction of a passenger who is seated on a seat to a lumbar on another side in the seat width direction, wherein the shoulder belt section includes an inflation section that is inflated by a supply of gas and in which a portion on a head side of the passenger with respect to a center section in a width direction of the shoulder belt section is deployed to be larger than a portion on an opposite side from the head side, the inflation section includes the bag that is inflated from the folded state by the supply of the gas, a peripheral length of a portion of the bag that is deployed on the head side with respect to the center section in the width direction of the shoulder belt section is longer than a peripheral length of a portion thereof that is deployed on the opposite side from the head side with respect to the center section in the width direction of the shoulder belt section in a cross-sectional view that is orthogonal to a longitudinal direction of the shoulder belt section in the folded state, the bag has a middle folded section that is folded inward to a center side in the width direction of the shoulder belt section from the head side, the middle folded section is provided entirely on the head side with respect to a center line in a folded state of the bag, an end on the head side that includes the middle folded section is sewn at a tear seam that is torn by inflation pressure of the bag, and the end on the head side is sewn at the tear seam in the longitudinal direction of the shoulder belt section.
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13. An air belt device comprising:
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a shoulder belt section that is worn from a shoulder on one side in a seat width direction of a passenger who is seated on a seat to a lumbar on another side in the seat width direction, wherein the shoulder belt section includes an inflation section that is inflated by a supply of gas and in which a portion on a head side of the passenger with respect to a center section in a width direction of the shoulder belt section is deployed to be larger than a portion on an opposite side from the head side, the inflation section includes a bag that is inflated from a folded state by the supply of the gas, a peripheral length of a portion of the bag that is deployed on the head side with respect to the center section in the width direction of the shoulder belt section is longer than a peripheral length of a portion thereof that is deployed on the opposite side from the head side with respect to the center section in the width direction of the shoulder belt section in a cross-sectional view that is orthogonal to a longitudinal direction of the shoulder belt section in the folded state, the bag has a middle folded section that is folded inward to a center side in the width direction of the shoulder belt section from the head side, and the inflation section has no middle folded section or folded back section on the head opposite side.
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Specification
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Current AssigneeToyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
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Original AssigneeToyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
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InventorsHirako, Yutaka
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Primary Examiner(s)GOODEN JR, BARRY J
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Application NumberUS14/451,733Publication NumberTime in Patent Office588 DaysField of SearchUS Class Current1/1CPC Class CodesB60R 2021/0048 HeadB60R 2021/23382 Internal tether meansB60R 21/18 the inflatable member forme...B60R 21/231 characterised by their shap...
