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    • 2. 发明授权
    • Method of producing a suspension coil spring
    • 悬挂螺旋弹簧的制造方法
    • US07841088B2
    • 2010-11-30
    • US12394097
    • 2009-02-27
    • Junji OguraYukihiro SugimotoMasahiko Shimizu
    • Junji OguraYukihiro SugimotoMasahiko Shimizu
    • B21F35/00F16F1/06
    • B60G15/07B60G2200/142B60G2202/312B60G2204/1242B60G2206/426F16F1/04Y10T29/49609Y10T29/49611Y10T29/49615Y10T29/49764Y10T29/49778
    • A suspension coil spring, when assembled to a suspension device, in which a spring reaction axis is positioned coincident with or sufficiently close to a load input axis, and the design and manufacture of coil springs are facilitated. Namely, A suspension coil spring (19) in a free state is formed so that a coil axis (AC) is bent in V-shape at bend point (PB) and the distance from the end turn center (CU) of the upper seating surface (38) to an imaginary coil axis (AI) is an upper inclination amount (VU), and the distance from the end turn center (CL) to the imaginary coil axis (AI) is a lower inclination amount (VL). When the suspension coil spring (10) is interposed between spring seats (22, 24) in the suspension device and compress along a strut axis, the spring reaction axis of the suspension coil spring (10) is inclined and offset with respect to the imaginary coil axis (AI) according to the inclination amounts (VU, VL).
    • 悬挂螺旋弹簧组装到悬挂装置时,其中弹簧反作用轴线与载荷输入轴线一致或足够靠近载荷输入轴线,并且促进了螺旋弹簧的设计和制造。 也就是说,形成自由状态的悬挂螺旋弹簧(19),使得线圈轴线(AC)在弯曲点(PB)处弯曲成V形,并且与上部座椅的端部转向中心(CU)的距离 假想线圈轴(AI)的表面(38)为上倾斜量(VU),从端匝中心(CL)到假想线圈轴(AI)的距离为下倾斜量(VL)。 当悬架螺旋弹簧(10)插入在悬挂装置中的弹簧座(22,24)之间并沿着支柱轴线被压缩时,悬挂螺旋弹簧(10)的弹簧反作用轴线相对于虚拟 线圈轴(AI)根据倾斜量(VU,VL)。