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    Golf club head
    1.
    发明授权
    Golf club head 失效
    高尔夫球杆头

    公开(公告)号：US06494790B1

    公开(公告)日：2002-12-17

    申请号：US09522791

    申请日：2000-03-07

    申请人： Masayuki Toyota ,  Kenichi Sato

    发明人： Masayuki Toyota ,  Kenichi Sato

    IPC分类号： A63B5304

    CPC分类号： A63B53/04 ,  A63B53/0466 ,  A63B60/00 ,  A63B2053/0408 ,  A63B2053/0412 ,  A63B2053/0433 ,  A63B2053/0491

    摘要： A golf club head includes a face having a height ranging from 24 to 32 mm. The ratio W/H of the width W of a sole to the height H of the face is in the range from 1.5 to 2.2. The distance Y from a straight line along the central axis of a hosel to the end of a heel is in the range from 11 to 15 mm. The golf club head thus constructed is capable of hitting the ball over a sufficient distance in a good direction.

    摘要翻译： 高尔夫球杆头包括高度为24至32mm的面。 鞋底宽度W与面部高度H的比率W / H在1.5至2.2的范围内。 从插鞘的中心轴到脚后跟的直线的距离Y在11至15mm的范围内。 如此构造的高尔夫球杆头能够在良好的方向上在足够的距离上击球。

    Iron club head
    2.
    发明授权
    Iron club head 失效

    公开(公告)号：US06569031B2

    公开(公告)日：2003-05-27

    申请号：US09754763

    申请日：2001-01-04

    申请人： Masayuki Toyota

    发明人： Masayuki Toyota

    IPC分类号： A63B5304

    CPC分类号： A63B53/04 ,  A63B53/02 ,  A63B53/047 ,  A63B60/00 ,  A63B2053/0408

    摘要： A sole of a head is inclined upwardly toward a side of a hosel section. A proximal section of the hosel section, which is continuous to a top, is set to be low. Accordingly, the weight of the head on the side of the hosel section is reduced, while the weight is distributed to circumferential portions of the head. Thus, the moment of inertia is set to be increased, and the sweet area is substantially enlarged.