AIRBAG UNIT AND AIRBAG FOLDING METHOD
First Claim
1. An airbag unit configured to cover at least a part of a windshield and a front pillar outside of a vehicle, the airbag unit comprising:
- an airbag formed in a U-shape including a bottom portion and a pair of projecting portions projecting from the bottom portion;
a gas generator that ejects gas into the airbag;
a lower cover unit that accommodates therein the folded airbag and the gas generator; and
an upper cover unit that covers the lower cover unit containing therein the airbag,wherein the airbag is expanded by the gas ejected from the gas generator through between a hood of the vehicle and the windshield.
8 Assignments
0 Petitions
Accused Products
Abstract
[Object] To provide an airbag unit smaller in size and lighter in weight, and capable of being rapidly expanded, and a method of folding an airbag.
[Solution] An airbag unit 20, configured to cover at least a part of a windshield 6 and a front pillar 2 outside of a vehicle 1, includes an airbag 10 formed in a U-shape including a bottom portion and a pair of projecting portions respectively projecting from the bottom portion, a gas generator 22 that ejects gas into the airbag 10, a lower cover unit 21 that accommodates therein the unexpanded airbag 10 and the gas generator 22, and an upper cover unit 24 that covers the lower cover unit 21 containing therein the airbag 10. The airbag 10 is expanded by the gas ejected from the gas generator 22 through between a hood 4 the windshield 6 of the vehicle 1.
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Citations
35 Claims
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1. An airbag unit configured to cover at least a part of a windshield and a front pillar outside of a vehicle, the airbag unit comprising:
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an airbag formed in a U-shape including a bottom portion and a pair of projecting portions projecting from the bottom portion; a gas generator that ejects gas into the airbag; a lower cover unit that accommodates therein the folded airbag and the gas generator; and an upper cover unit that covers the lower cover unit containing therein the airbag, wherein the airbag is expanded by the gas ejected from the gas generator through between a hood of the vehicle and the windshield. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of folding an airbag formed in a U-shape including a bottom portion and a pair of projecting portions projecting from the bottom portion, the method comprising:
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folding the projecting portion of the airbag onto the side of the bottom portion; folding the projecting portion of the airbag folded onto the side of the bottom portion and both end portions of the bottom portion in a longitudinal direction thereof; and folding the bottom portion of the airbag the longitudinal end portions of which have been folded, from the opposite side of the projecting portion. - View Dependent Claims (30, 31)
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29. A method of folding an airbag formed in a U-shape including a bottom portion and a pair of projecting portions projecting from the bottom portion, the method comprising:
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folding the projecting portion of the airbag onto the side of the bottom portion; folding, from the opposite side of the projecting portion, the bottom portion of the airbag onto which the projecting portion has been folded; and folding the projecting portion of the airbag folded onto the bottom portion, the bottom portion having been folded from the opposite side of the projecting portion, and end portions of the bottom portion in a longitudinal direction thereof.
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32. A method of folding an airbag formed in a U-shape including a bottom portion and a pair of projecting portions projecting from the bottom portion, the method comprising:
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folding the projecting portion of the airbag onto the side of the bottom portion; folding in a Z-shape the projecting portion of the airbag folded onto the side of the bottom portion and both end portions of the bottom portion in a longitudinal direction thereof; and folding the airbag the longitudinal end portions of which have been folded onto the side of the bottom portion, in a direction opposite to the folding of the projecting portion onto the side of the bottom portion. - View Dependent Claims (33, 34)
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35. A method of folding an airbag formed in a U-shape including a bottom portion and a pair of projecting portions projecting from the bottom portion, the method comprising:
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folding the projecting portion of the airbag and both end portions of the bottom portion in a longitudinal direction thereof; folding the projecting portion of the airbag the longitudinal end portions of which have been folded onto the side of the bottom portion; and folding the projecting portion of the airbag folded onto the side of the bottom portion and the longitudinal end portions of the bottom portion.
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Specification