Inflator and air bag device
First Claim
Patent Images
1. An inflator, comprising:
- an inflator main body which is has a tubular shape and has a plurality of gas injection holes on a circumferential surface; and
a collar member which has a gas jet reception part that is disposed so as to face a formation area of the gas injection holes of the inflator main body across a space,wherein the gas jet reception part has notch parts on both sides interposing an axis core of the inflator main body, in the cross section orthogonal to the axis core of the inflator main body, the notch parts being not continued with each other.
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Abstract
An inflator (3) includes an inflator main body (10) which is has a tubular shape and has a plurality of gas injection holes (11) on a circumferential surface, and a steel-made collar member (20) which has a gas jet reception part (28) that is disposed so as to face a gas injection holes formation area (R) of the inflator main body (10) across a space.
9 Citations
9 Claims
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1. An inflator, comprising:
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an inflator main body which is has a tubular shape and has a plurality of gas injection holes on a circumferential surface; and a collar member which has a gas jet reception part that is disposed so as to face a formation area of the gas injection holes of the inflator main body across a space, wherein the gas jet reception part has notch parts on both sides interposing an axis core of the inflator main body, in the cross section orthogonal to the axis core of the inflator main body, the notch parts being not continued with each other. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An inflator, comprising:
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an inflator main body which is has a tubular shape and has a plurality of gas injection holes on a circumferential surface; and a collar member which has a gas jet reception part that is disposed so as to face a formation area of the gas injection holes of the inflator main body across a space, wherein the gas jet reception part has notch parts on both sides interposing the axis core, in the cross section orthogonal to the axis core of the inflator main body, and wherein the collar member has a curved rib which is formed in a place displaced in the axis core direction of the inflator main body with respect to at least one among two of the notch parts and extends in a circumferential direction of the inflator main body.
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9. An inflator, comprising:
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an inflator main body which has a tubular shape and has a plurality of gas injection holes on a circumferential surface; a collar member which has a gas jet reception part that is disposed so as to face a formation area of the gas injection holes of the inflator main body across a space; and a cover member which is fixed to the inflator main body and covers an end part of the inflator main body from outside in a radial direction of the inflator main body, wherein the collar member has a position restriction part which is configured to restrict a displacement by abutting on the cover member with respect to the inflator main body.
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Specification