Knee protecting airbag device
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Abstract
In a knee protecting airbag device of the present invention, an airbag is folded and housed on the front side of the knees of a seated passenger. The airbag is protruded rearward of a vehicle from a protruding opening and expanded and inflated upward, when an inflating gas flows in. And, the airbag is arranged on the front side of the knees of the passenger between a member on the body side and the knees of the passenger thereby to protect the knees of the passenger. The protruding opening has a transverse width size set within a range of ⅛ to ⅔ of the transverse width size of the airbag having completed its expansion and inflation.
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Citations
20 Claims
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1-11. -11. (canceled)
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12. A knee protecting airbag device,
wherein an airbag folded and housed in front of the knees of a seated passenger can protect the knees of the passenger when expanded and inflated by admitting an inflating gas, and wherein said airbag is constructed to have an internal pressure of 50 KPa or more at 70 milliseconds after the start of inflow of the inflating gas.
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15-18. -18. (canceled)
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19. A knee protecting airbag device,
wherein a folded airbag is housed in a case and arranged on the lower side of the front of the knees of a seated passenger, wherein when an inflating gas from an inflator is fed to the inside of said airbag, said airbag is so expanded and inflated as can be protruded to rise rearward of the vehicle from an opening in said case on the vehicular rear side thereby to protect the knees of the passenger, and wherein said airbag having completed its inflation is constructed such that the film length of the whole periphery positioned on the inner periphery of the open end of said case may be larger than the length size of the whole periphery of the inner periphery of said open end in said case.
Specification