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    • 3. 发明申请
    • GOLF CLUB HEAD
    • 高尔夫俱乐部头
    • US20110021289A1
    • 2011-01-27
    • US12840868
    • 2010-07-21
    • Masatoshi YOKOTA
    • Masatoshi YOKOTA
    • A63B53/04
    • A63B53/0466A63B53/047A63B53/0475A63B2053/0408A63B2053/0416A63B2053/0433A63B2053/045A63B2209/00
    • When a length of a cross section CS1 in a face-back direction is defined as L; a point being 0.1 L from a forefront point Mz2 of the cross section and positioned on an outer surface of the sole is defined as Ma; a point being 0.2 L from a backmost point Mk2 of the cross section and positioned on the outer surface of the sole is defined as Md; intersection points of lines and the outer surface of the sole are defined as a point Mb and a point Mc from a face side in order, the lines equally dividing a distance between the point Ma and the point Md into three in the face-back direction; a distance of a cross section CS2 in the toe-heel direction is defined as W; intersection points of lines and the outer surface of the sole are defined as a point Mp, a point Mq, and a point Mr from a toe side in order, the lines equally dividing the distance W into four in the toe-heel direction; a radius of a circle passing through the point Ma, the point Mb, and the point Mc is defined as Ra; a radius of a circle passing through the point Mb, the point Mc, and the point Md is defined as Rb; and a radius of a circle passing through the point Mp, the point Mq, and the point Mr is defined as Rc, Ra>Rb>Rc is satisfied.
    • 当面向后方向的横截面CS1的长度被定义为L时; 从横截面的前端点Mz2开始位于鞋底的外表面上的点为0.1L的点被定义为Ma; 从截面的最后点Mk2为0.2L,位于鞋底外表面上的点被定义为Md; 线的交点和鞋底的外表面依次被定义为来自面侧的点Mb和点Mc,将点Ma和点Md之间的距离均匀分成三个在面向后方向上的线 ; 在脚跟方向上的横截面CS2的距离被定义为W; 线的交点和鞋底的外表面依次被定义为来自脚趾侧的点Mp,点Mq和点Mr,将距离W均匀分成四个在脚跟方向上的线; 通过点Ma的圆的半径,点Mb和点Mc被定义为Ra; 通过点Mb的圆的半径,点Mc和点Md被定义为Rb; 并且通过点Mp,点Mq和点Mr的圆的半径被定义为Rc,Ra> Rb> Rc。