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    • 1. 发明授权
    • Power steering apparatus
    • 动力转向装置
    • US08443929B2
    • 2013-05-21
    • US12729865
    • 2010-03-23
    • Tatsuro SuzukiKohtaro ShiinoYusuke FukudaAtsushi Yoshitake
    • Tatsuro SuzukiKohtaro ShiinoYusuke FukudaAtsushi Yoshitake
    • B62D5/04
    • B62D5/0409F16C19/06F16C25/083F16C35/077F16C2326/24F16H55/24F16H57/022F16H2057/0213F16H2057/0222
    • A power steering apparatus includes a worm wheel mounted on the steering shaft, a worm shaft engaged with the worm wheel, a gear housing having a wheel accommodating portion to accommodate the worm wheel and a shaft accommodating portion to accommodate the worm shaft, a bearing mounted on the worm shaft to rotatably support the worm shaft, a holder disposed in the shaft accommodating portion and having a bearing retaining portion to retain the bearing and a resilient element disposed in the shaft accommodating portion and having a resilient body portion formed with a curvature. The resilient body portion is so structured as to become deformed in such a manner as to increase or decrease in diameter when the bearing shifts in a direction that moves the worm shaft away from the worm wheel and bias the bearing in a direction that urges the worm wheel toward the worm wheel.
    • 一种动力转向装置,包括安装在转向轴上的蜗轮,与蜗轮啮合的蜗杆轴,具有容纳蜗轮的轮容纳部分和容纳蜗杆轴的轴容纳部分的齿轮壳体, 在所述蜗杆轴上以可旋转的方式支撑所述蜗杆轴;保持器,其设置在所述轴容纳部分中并且具有用于保持所述轴承的轴承保持部分和设置在所述轴容纳部分中并具有形成为曲率的弹性体部分的弹性元件。 弹性体部分被构造成当轴承沿着使蜗杆轴远离蜗轮移动的方向移动并使轴承沿着推动蜗杆的方向偏移时直径增大或减小的方式变形 轮朝向蜗轮。
    • 2. 发明申请
    • POWER STEERING APPARATUS
    • 动力转向装置
    • US20100243367A1
    • 2010-09-30
    • US12729865
    • 2010-03-23
    • Tatsuro SUZUKIKohtaro ShiinoYusuke FukudaAtsushi Yoshitake
    • Tatsuro SUZUKIKohtaro ShiinoYusuke FukudaAtsushi Yoshitake
    • B62D5/04
    • B62D5/0409F16C19/06F16C25/083F16C35/077F16C2326/24F16H55/24F16H57/022F16H2057/0213F16H2057/0222
    • A power steering apparatus includes a worm wheel mounted on the steering shaft, a worm shaft engaged with the worm wheel, a gear housing having a wheel accommodating portion to accommodate the worm wheel and a shaft accommodating portion to accommodate the worm shaft, a bearing mounted on the worm shaft to rotatably support the worm shaft, a holder disposed in the shaft accommodating portion and having a bearing retaining portion to retain the bearing and a resilient element disposed in the shaft accommodating portion and having a resilient body portion formed with a curvature. The resilient body portion is so structured as to become deformed in such a manner as to increase or decrease in diameter when the bearing shifts in a direction that moves the worm shaft away from the worm wheel and bias the bearing in a direction that urges the worm wheel toward the worm wheel.
    • 一种动力转向装置,包括安装在转向轴上的蜗轮,与蜗轮啮合的蜗杆轴,具有容纳蜗轮的轮容纳部分和容纳蜗杆轴的轴容纳部分的齿轮壳体, 在所述蜗杆轴上以可旋转的方式支撑所述蜗杆轴;保持器,其设置在所述轴容纳部分中并且具有用于保持所述轴承的轴承保持部分和设置在所述轴容纳部分中并具有形成为曲率的弹性体部分的弹性元件。 弹性体部分被构造成当轴承沿着使蜗杆轴远离蜗轮移动的方向移动并使轴承沿着推动蜗杆的方向偏移时直径增大或减小的方式变形 轮朝向蜗轮。