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    STEERING SYSTEM
    2.
    发明公开
    STEERING SYSTEM 审中-公开
    转向系统

    公开(公告)号：EP3018034A1

    公开(公告)日：2016-05-11

    申请号：EP15193450.2

    申请日：2015-11-06

    申请人： JTEKT CORPORATION ,  HONDA MOTOR CO., LTD.

    发明人： TAOKA, Nobuyuki ,  MAENAKA, Yoshiyuki ,  SAKAMOTO, Nariaki ,  KOMETANI, Hideo ,  FUJIMOTO, Masashi ,  NISHIKIDO, Agen ,  SHINTANI, Isao ,  OTANI, Takumitsu ,  MIYAKAWA, Hayato

    IPC分类号： B62D3/12

    CPC分类号： B62D3/126 ,  B62D3/12 ,  F16C29/02 ,  F16C2326/24 ,  F16H55/26

    摘要： A rack-and-pinion steering system includes a pinion shaft having pinion teeth, a rack shaft on which rack teeth are formed which mesh with the pinion teeth; and a rack bush which supports the rack shaft slidably in an axial direction thereof. An outer circumferential surface of the rack shaft includes a first area which is a concave formed on an outer circumferential surface of the rack shaft and extending in the axial direction and a second area which is an area of the outer circumferential surface excluding the first area and lies adjacent to an end portion of the first area in the axial direction. The rack teeth are formed in the first area. A chamfered portion or a rounded portion is provided on a boundary between the end portion of the first area and the second area to chamfer or round a corner portion on the boundary.

    摘要翻译： 一种齿轮齿条式转向系统包括：小齿轮轴，其具有小齿轮齿;齿条轴，齿条齿形成在该齿条轴上，齿条齿与小齿轮齿啮合; 以及在齿轮轴的轴向上可滑动地支承齿条轴的齿条衬套。 齿条轴的外周面包括第一区域和第二区域，第一区域是形成在齿条轴的外周表面上并且沿轴向延伸的凹部，第二区域是除第一区域之外的外圆周表面的区域，以及 位于第一区域的轴向端部附近。 齿条齿形成在第一区域中。 在第一区域的端部与第二区域之间的边界上设置倒角部分或倒圆部分，以在边界上倒角或倒圆角部分。