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    • 1. 发明申请
    • 頭部保護エアバッグ装置
    • 防护安全气囊装置
    • WO2003076236A1
    • 2003-09-18
    • PCT/JP2003/002538
    • 2003-03-05
    • 豊田合成株式会社木野 雅夫棚瀬 利則尾方 哲也水野 喜夫小山 享
    • 木野 雅夫棚瀬 利則尾方 哲也水野 喜夫小山 享
    • B60R21/22
    • B60R21/2346B60R21/213B60R21/232B60R21/2338B60R21/2342B60R21/237B60R2021/23316B60R2021/23386
    • A head-protecting airbag device (M1) comprises an airbag (12) having a portion (13) into which gas flows and a portion (23) into which gas does not flow. The portion (13) into which gas flows is provided with a gas supply passage portion (14) capable of allowing an inflating gas (G) to blow in a forward-backward direction of a vehicle and with longitudinal inflating portions (17) arranged side by side in a row in the forward-backward direction. Longitudinal inflating portions (17) have a communication opening (18) that communicates with the gas supply passage portion (14) is opened at an upper end of the portion (13) into which gas flows. At a peripheral edge (19) of the communication opening (18), substantial lengths of films of a vehicle exterior-side wall portion (13b) and vehicle interior-side wall portion (13a) are different because of a belt (31). The peripheral edge (19) of the communication opening (18) guides the inflating gas (G) so that the gas (G) flows through the communication opening (18) diagonally downward toward a vehicle exterior side (O) into the longitudinal inflating portions (17). The head-protecting airbag device (M1) can be structured compactly while the airbag (12) is even allowed to expand downward along a window (W), and workability of mounting the device on a vehicle can be improved.
    • 头部保护气囊装置(M1)包括具有气体流过的部分(13)的气囊和气体不流动的部分(23)的气囊(12)。 气体流入的部分(13)设置有气体供给通道部分(14),其能够使充气气体(G)沿车辆的前后方向吹动,并且具有布置在侧面的纵向充气部分(17) 沿前后方向排成一列。 纵向充气部分(17)具有与气体供应通道部分(14)连通的连通开口(18),其在气体流动的部分(13)的上端开口。 在连通开口(18)的周缘(19)处,由于带(31),车辆外侧壁部分(13b)和车辆内侧壁部分(13a)的相当长的膜片是不同的。 连通开口(18)的周缘(19)引导充气气体(G),使得气体(G)沿对角线向下朝向车辆外侧(O)流过连通开口(18),进入纵向充气部分 (17)。 头部保护安全气囊装置(M1)可以紧凑地构造,同时气囊(12)甚至允许沿着窗口(W)向下扩展,并且可以提高将装置安装在车辆上的可操作性。