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62 条记录 (耗时 0.024 秒)

    Wood-type golf club heads and methods of adjusting the same
    53.
    发明授权
    Wood-type golf club heads and methods of adjusting the same 失效
    木型高尔夫球杆头及其调整方法

    公开(公告)号：US07758440B2

    公开(公告)日：2010-07-20

    申请号：US12038632

    申请日：2008-02-27

    申请人： David Llewellyn ,  Chuck Couch

    发明人： David Llewellyn ,  Chuck Couch

    IPC分类号： A63B69/36 ,  A63B53/04

    CPC分类号： A63B53/0466 ,  A63B53/047 ,  A63B53/06 ,  A63B60/42 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2053/0437

    摘要： The present invention describes wood-type golf club heads and methods of adjusting these wood-type golf club heads. An exemplary embodiment of the present invention provides a wood-type golf club head having a body with a sole portion, a face portion, and a hollow interior. Furthermore, a crown portion is disposed on the body, and the crown portion has an upper crown and a lower crown. The upper crown is disposed a predetermined height above the lower crown and the lower crown makes up more than half of the crown portion.

    摘要翻译： 本发明描述了木型高尔夫球杆头和调节这些木杆型高尔夫球杆头的方法。 本发明的一个示例性实施例提供一种木质高尔夫球杆头，其具有具有底部部分，面部部分和中空内部的主体。 此外，冠部设置在主体上，冠部具有上冠和下冠。 上冠设置在下冠部上方的预定高度，下冠部构成冠部的一半以上。

    TRIAL GOLF CLUB FOR MEASURING LOFT ANGLE AND METHODS FOR USING THE SAME
    55.
    发明申请
    TRIAL GOLF CLUB FOR MEASURING LOFT ANGLE AND METHODS FOR USING THE SAME 失效
    用于测量倾角的试验高尔夫俱乐部及其使用方法

    公开(公告)号：US20080085779A1

    公开(公告)日：2008-04-10

    申请号：US11539307

    申请日：2006-10-06

    申请人： Masao Nagai ,  Chris Voshall ,  Bill Price ,  David Llewellyn ,  Richard Delvac

    发明人： Masao Nagai ,  Chris Voshall ,  Bill Price ,  David Llewellyn ,  Richard Delvac

    IPC分类号： A63B69/36 ,  A63B53/00 ,  A63B53/04

    CPC分类号： A63B69/3617 ,  A63B53/047 ,  A63B60/42 ,  A63B60/52 ,  A63B69/3623 ,  A63B69/3661 ,  A63B2053/026 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2209/10

    摘要： The invention is directed toward a trial golf club head and method for determining the optimal loft angle for any golf club, and in particular a hybrid-type golf club. The invention includes a trial golf club head having a face portion, a leading edge portion, a toe portion, a heel portion, a back portion having a trailing edge portion, and a sole portion. The sole portion contains a number of equally spaced graduated indicia, which are substantially parallel to one another and extend from the toe portion to the heel portion. The distance between the graduated indicia is approximately 3.75 centimeters (cm), which corresponds to an incremental loft angle of approximately 3 degrees. The sole portion has a radius of curvature of 71.67 mm, which extends from the leading edge of the face portion to the trailing edge of the back portion.

    摘要翻译： 本发明涉及用于确定任何高尔夫球杆，特别是混合型高尔夫球杆的最佳俯仰角的试验高尔夫球杆头和方法。 本发明包括具有面部部分，前缘部分，脚趾部分，跟部部分，具有后缘部分的后部部分和底部部分的试验高尔夫球杆头部。 鞋底部分包含多个相等间距的刻度标记，它们基本上彼此平行并且从脚趾部分延伸到跟部。 刻度标记之间的距离约为3.75厘米（cm），这对应于大约3度的增量倾角。 鞋底部分具有71.67mm的曲率半径，其从面部的前缘延伸到后部的后缘。

    Iron golf club and golf club set with variable weight distribution
    58.
    发明申请
    Iron golf club and golf club set with variable weight distribution 有权
    铁质高尔夫球杆和高尔夫球杆，配有可变重量分配

    公开(公告)号：US20050085312A1

    公开(公告)日：2005-04-21

    申请号：US10903245

    申请日：2004-07-31

    申请人： Masao Nagai ,  David Llewellyn ,  Harry Taylor ,  Mamoru Saraie ,  Isamu Toshinari

    发明人： Masao Nagai ,  David Llewellyn ,  Harry Taylor ,  Mamoru Saraie ,  Isamu Toshinari

    IPC分类号： A63B53/00 ,  A63B53/04

    CPC分类号： A63B53/04 ,  A63B53/047 ,  A63B60/00 ,  A63B2053/005 ,  A63B2053/0408 ,  A63B2053/0433 ,  A63B2053/0458 ,  A63B2053/0491

    摘要： An iron golf club and a set of iron golf clubs that have a variable weight distribution. Each iron golf club head has a cavity and a raised wall portion that extends upward from the sole and offset from the cavity. The raised wall portion is separated from the cavity by a groove set at an oblique angle to the face portion of the iron golf club The groove deepens the center of mass depth and lengthens the effective face length of the iron golf club. The width of the groove may vary between each golf club in a set of iron golf clubs, such that the width of the groove of the long irons is greater that the width of the groove of the middle irons, and the width of the groove of the middle irons is greater than the width of the groove of the short irons.

    摘要翻译： 一个铁质高尔夫球杆和一套具有可变重量分布的铁质高尔夫球杆。 每个铁高尔夫球杆头具有一个空腔和一个从鞋底向上延伸并从腔体偏移的凸起壁部分。 凸起壁部分通过与铁高尔夫球杆的面部倾斜设置的凹槽与空腔分离。凹槽加深了质心深度的深度并且延长了铁高尔夫球杆的有效面长度。 槽的宽度可以在一组铁高尔夫球杆中的每个高尔夫球杆之间变化，使得长铁杆的槽的宽度大于中间铁的槽的宽度，并且槽的宽度 中间的铁杆大于短铁杆槽的宽度。

    Fail-safe torque transducer system
    59.
    发明申请
    Fail-safe torque transducer system 失效

    公开(公告)号：US20050060075A1

    公开(公告)日：2005-03-17

    申请号：US10661996

    申请日：2003-09-12

    申请人： David Llewellyn ,  William Spadafora ,  Jason Kramer

    发明人： David Llewellyn ,  William Spadafora ,  Jason Kramer

    IPC分类号： B62D5/04 ,  B62D6/10 ,  G01L5/22 ,  G06F7/00

    CPC分类号： G01L5/221 ,  B62D5/0484 ,  B62D5/049 ,  B62D6/10

    摘要： A fail-safe torque transducer, and automotive power steering system, utilizing a two-stage series coupled torsion bar system. A first stage torsion bar provides tuning of the steering system, and by reducing its diameter relative to the second stage, provides a lower torsional spring rate and higher operational stress level than that of the second stage. The second stage torsion bar provides the stress/strain indicia referenced by a torque-measuring device, and is stressed at a lower level than the first stage and therefore has a higher cycle life than that of the first stage bar. Hence, if stress related failure ever occurs, it will only occur in the first stage torsion bar, thereby preventing any torque from reaching the second stage, thereby causing a zero strain signal and thus rendering the system fail-safe and not subject to instability of vehicle steering if the torsion bar breaks.