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    • 87. 发明授权
    • Golf-club shafts having selectable-stiffness tip regions, and golf clubs comprising same
    • 具有可选择刚度的尖端区域的高尔夫球杆杆和包括其的高尔夫球杆
    • US08353781B2
    • 2013-01-15
    • US12964618
    • 2010-12-09
    • Drew Tom DeShiellTodd P. Beach
    • Drew Tom DeShiellTodd P. Beach
    • A63B53/02A63B53/10
    • A63B53/0466A63B53/00A63B53/08A63B53/10A63B60/42A63B2060/002
    • The subject golf clubs have a shaft and clubhead. The shaft has a tip-end coupled to the clubhead, a butt-end, a reduced-EI portion located adjacent the tip-end, and a remaining portion extending between the butt-end and the reduced-EI portion. The portions are coupled together at an interface. The remaining portion exhibits a respective rate of stiffness reduction as a function of distance from the butt-end. The reduced-EI portion is typically shorter than and has less stiffness than the remaining portion. A stiffener insert is inserted into the shaft, such as in the reduced-EI portion, to add stiffness locally. The reduced-EI portion exhibits a respective rate (which can be zero) of stiffness reduction as a function of distance toward the tip-end. These rates can be similar or different. The interface can exhibit a greater rate in stiffness reduction than the other portions. The stiffeners can be user-selectable, from a kit supplied with the club, for example. The clubhead can be removable from the shaft to facilitate stiffener exchange.
    • 主题高尔夫球杆有一个轴和杆头。 轴具有联接到杆头的尖端,对接端,位于尖端附近的减少EI部分,以及在对接端和减少EI部分之间延伸的剩余部分。 这些部分在界面处耦合在一起。 剩余部分表现出相应的刚度降低速率,作为距离对接端的距离的函数。 缩小的EI部分通常比剩余部分短并且具有更小的刚度。 加强件插入件插入到轴中,例如在缩小的EI部分中,以局部增加刚度。 缩小EI部分表现出作为朝向尖端的距离的函数的刚度降低的相应速率(其可以为零)。 这些费率可能相似或不同。 界面可以表现出比其他部分更大的刚度降低率。 加强件可以是用户可选择的,例如从俱乐部提供的套件。 球杆杆头可以从轴上移除以便于加强筋交换。
    • 90. 发明申请
    • METHOD FOR MAKING A GOLF CLUB FACE
    • 制作高尔夫俱乐部面部的方法
    • US20120052980A1
    • 2012-03-01
    • US13220459
    • 2011-08-29
    • Todd P. Beach
    • Todd P. Beach
    • A63B53/04
    • A63B53/04A63B53/0466A63B60/00A63B2053/0408A63B2053/0441B44C5/00
    • An improved face for a golf club head includes shallow and deep markings configured to provide a pleasing appearance when viewed head on, and to frame the central region of the impact surface of the face when viewed at address. Use of only shallow markings in the central region of the impact surface prevents existence of stress fractures resulting from use of deep markings in the central region. This allows for a face thinner than those incorporating conventional grooves in the central regions of their impact surfaces, resulting in both superior resistance to cracking and improved C.O.R. Specified methods of manufacture are particularly suited for making clubs incorporating these shallow and deep markings.
    • 用于高尔夫球杆头的改进的面包括浅和深的标记,其构造成当从头部观察时提供令人满意的外观,并且当在地址处观察时框架在脸部的冲击表面的中心区域。 在冲击表面的中央区域仅使用浅标记可以防止在中心区域使用深刻痕迹导致应力断裂的存在。 这允许比在其冲击表面的中心区域中包含常规凹槽的表面更薄的表面,导致优异的抗开裂性和改善的C.O.R. 指定的制造方法特别适用于制造结合了这些浅层和深层标记的球杆。