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    • 2. 发明授权
    • Sprocket and brake disc having a function to prevent a warpage
    • 具有防止翘曲的功能的链轮和制动盘
    • US5980407A
    • 1999-11-09
    • US875583
    • 1997-10-08
    • Norihiko TakamoriFumihiko MetsugiAkihito Ohata
    • Norihiko TakamoriFumihiko MetsugiAkihito Ohata
    • F16D65/12F16D69/00F16H55/14F16H55/30G05G1/14G05G3/00
    • F16H55/14F16D65/12F16H55/30F16D2065/1308F16D2069/004Y10T74/2165
    • A rotary member in the form of a sprocket or a brake disc for transmitting a drive force or brake force, the rotary member having an annular hub portion arranged on a center side, an annular ring portion arranged on an outer circumferential side, and a plurality of arm portions connecting the hub portion and the ring portion, with a plurality of weight reduction holes partitioned by the arm portions between the hub portion and the ring portion. The plurality of arm portions are provided so that centers of their distal end portions on the ring portion side and centers of their proximal end portions on the hub portion side are offset in one circumferential direction, respectively, and the hub portion and the ring portion are not directly connected to each other by longitudinal sectional lines that intersect with the arm portions in a radial direction of the rotary member.
    • PCT No.PCT / JP96 / 00213 Sec。 371日期1997年10月8日第 102(e)日期1997年10月8日PCT 1996年1月31日PCT PCT。 公开号WO96 / 23994 日期:1996年8月8日具有用于传递驱动力或制动力的链轮或制动盘形式的旋转构件,所述旋转构件具有布置在中心侧的环形轮毂部,设置在外周的环形圈部 以及连接所述轮毂部和所述环部的多个臂部,以及在所述轮毂部与所述环部之间由所述臂部分隔开的多个重量减轻孔。 多个臂部被设置成使得其环部侧的前端部的中心部分和其轮毂部侧的基端部的中心分别在一个圆周方向上偏移,并且毂部和环部是 通过与旋转部件的径向方向上的臂部相交的纵向截面线彼此不直接连接。
    • 7. 发明授权
    • Sprocket
    • 链轮
    • US06599210B1
    • 2003-07-29
    • US09622836
    • 2001-08-16
    • Norihiko TakamoriJichu Oh
    • Norihiko TakamoriJichu Oh
    • F16H5530
    • F16H55/30
    • A sprocket has a mounting part for mounting on a wheel and a corrugated section provided with teeth for engagement with a chain such that the sprocket has a reduces volume and weight and allows for appropriate engagement with the chain by having the position of the sprocket agree with the position of the chain. The mounting part has a first raised section raised toward a one plate surface side and a second raised section raised toward another plate surface side with respect to a longitudinally central plane extending through a center of the sprocket so as to divide the total volume and weight of the sprocket into substantially equal sections. A flat top part of the first raised section having a mounting hole is on a level with a bottommost end surface of the sprocket.
    • 链轮具有用于安装在车轮上的安装部件和设置有齿的波纹部分,用于与链条接合,使得链轮具有减小的体积和重量,并且通过使链轮的位置与链轮的位置一致而允许与链条的适当接合 链的位置。 安装部具有朝向一个板表面侧升高的第一升高部分和相对于延伸穿过链轮的中心的纵向中心平面朝向另一个板表面侧升高的第二升高部分,以便将总体积和重量 链轮变成基本相等的部分。 具有安装孔的第一升高部分的平坦顶部与链轮的最底端表面处于水平位置。