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    • 2. 发明授权
    • Längsverstellvorrichtung für Fahrzeugsitze mit einem Antriebsmotor und zwei Schienen
    • 用驱动电机和两个轨道进行车辆座椅的纵向调整安排
    • EP0195123B1
    • 1990-08-22
    • EP85115448.4
    • 1985-12-05
    • C. Rob. Hammerstein GmbH
    • Bauer, HeinzBecker, Burckhard, Dipl.-Ing.Frohnhaus, Ernst-ReinerKoeppen, RudolfGedig, Alfred, Dipl.-Ing.
    • B60N2/06
    • B60N2/0232B60N2/067
    • 1. Longitudinal adjusting arrangement for vehicle seats, having a drive motor (20) which drives a pinion (24) via a shaft (22), and a toothed rack (26) which engages with this pinion (24), and having two elongate rails (28, 30) guided in one another and displaceable with respect to one another in a direction of displacement (33), of which one (30) carries the shaft (22) and the pinion (24) and the other (28) is connected to the toothed rack (26), this connection taking place in a fastening region (34) in which the toothed rack (26) is fixed in the direction of displacement (33) against the rail (28) and a holding region (36) in which the toothed rack (26) is movable in the direction of its teeth (42) with respect to the rail (28), characterized in that the toothed rack (26) is pre-loaded resiliently in the direction of the pinion (24), namely by a spring (58, 68, 70) and/or an intrinsic elasticity in the toothed rack (26), and in that the toothed rack (26) contracts resiliently at all positions on the displacement path with a smaller force than is required for deformation of the longitudinal guide formed from the two rails (28, 30).
    • 1.一种用于车辆座椅的纵向调节装置,具有通过轴(22)驱动小齿轮(24)的驱动马达(20)和与该小齿轮(24)接合的齿条(26),并且具有两个细长的 轨道(28,30)彼此引导并且沿着位移方向(33)相对于彼此移位,其中一个(30)承载轴(22)和小齿轮(24),另一个(28) 连接到齿条(26),该连接发生在紧固区域(34)中,齿形齿条(26)沿着移动方向(33)固定在抵靠轨道(28)上的固定区域(34)和保持区域 36),其中所述齿条(26)可相对于所述导轨(28)在其齿(42)的方向上移动,其特征在于,所述齿条(26)沿小齿轮方向弹性地预加载 (24),即通过弹簧(58,68,70)和/或齿条(26)中的固有弹性,并且齿条(26)完全弹性收缩 在位移路径上的位置以比由两个轨道(28,30)形成的纵向引导件变形所需的力小。