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, andthe lower cover unit and the upper cover unit each include a recess for circumventing functional parts of the vehicle.
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
26 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, and the lower cover unit and the upper cover unit each include a recess for circumventing functional parts of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 19, 20)
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16. 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, the lower cover unit and the upper cover unit each include a recess for circumventing functional parts of the vehicle, and the upper cover unit includes a sloped recess formed in a region of the upper face of the upper cover unit on the side of the forward portion of the vehicle.
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17. 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, the airbag includes a first inner tether constituting a partition between the bottom portion and the projecting portion, the airbag further includes a second inner tether that divides the bottom portion into two sections, the section of the bottom portion of the airbag on the side of the windshield divided by the second inner tether constitutes a first unfolding portion, the section of the bottom portion of the airbag on the side of the hood divided by the second inner tether constitutes a second unfolding portion, the projecting portion of the airbag constitutes a third unfolding portion, and the second inner tether is supported by the gas generator together with the airbag. - View Dependent Claims (18, 21, 22, 23, 24, 25, 26)
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Specification