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1. 发明公开

EP1253357A2 Boot and seat belt device employing the same 有权
标题翻译： Faltenbalg und Sicherheitsgurtvorrichtung mit einem solchen Faltenbalg
公开(公告)号：EP1253357A2
公开(公告)日：2002-10-30
申请号：EP02006525.6
申请日：2002-03-19
申请人： TAKATA CORPORATION
发明人： Nakano, Yoshiyuki, Takata Corporation , Iwai, Masahiko, Takata Corporation
IPC分类号： F16J3/04
CPC分类号： B60R22/1952 , B60R2022/1843 , F16J3/041
摘要： This object is to provide a boot of which the maximum contraction amount can be more effectively set to be larger and which has a predetermined strength and to provide a seat belt device which can provided improved restraint property to an occupant. A flexible portion of a boot (4) is configured in such a manner that the cross sections through tops (4a) of convexities are analogous and that the closer to a buckle supporting member (1) the convexity is, the smaller the area of the cross section of the convexity is, with the reduction ratio being constant. As a buckle (2) is pulled with relatively large force by a wire (3), the buckle (2) moves toward the buckle supporting member (1) so that the boot (4) contracts in the longitudinal direction. At this point, the convexities of the flexible portion are piled on each other in a direction perpendicular to the contracting direction. Therefore, the boot (4) can contract largely with little depending on the piled parts of the convexities and concavities. Accordingly, the maximum stroke L of the buckle (2) becomes longer than the maximum stroke L' of the conventional one, thereby effectively increasing the restraint force on the occupant by a seat belt, and thus significantly improving the restraint property by the seat belt.
摘要翻译：该目的在于提供一种可以更有效地将最大收缩量设定为更大并且具有预定强度的靴子，并且提供一种能够向乘员提供改进的约束性的安全带装置。靴子（4）的柔性部分被构造成使得通过凸部的顶部（4a）的横截面是类似的，并且越接近凸起的带扣支撑构件（1），面积越小凸度的横截面是缩小比例恒定的。当通过线（3）以较大的力拉动带扣（2）时，带扣（2）朝向带扣支撑构件（1）移动，使得护罩（4）沿纵向方向收缩。此时，柔性部的凸部在垂直于收缩方向的方向上彼此堆叠。因此，根据凸起和凹凸的堆积部分，靴子（4）可以很大程度地收缩。因此，带扣（2）的最大行程L比现有技术的最大行程L'长，从而通过安全带有效地增加了乘员的约束力，从而显着提高了安全带的约束性。

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