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    • 4. 发明授权
    • Golf club shaft with suppressed vibration modes
    • 具有抑制振动模式的高尔夫球杆轴
    • US06431996B1
    • 2002-08-13
    • US09613148
    • 2000-07-11
    • David E. WrightMustapha Hayouna
    • David E. WrightMustapha Hayouna
    • A63B5300
    • A63B53/00A63B53/12A63B60/00A63B60/42A63B60/54A63B2060/002A63B2209/14
    • A golf club having suppressed vibration modes is disclosed. The club comprises a shaft, a golf club head, a grip and a plurality of discrete shaft stiffeners. The shaft stiffeners are strategically located along the shaft so as to shift the nodes of at least the second and third flexural vibration modes of the club shaft such that a node of each of the second and third flexural vibration modes occurs both at the club face and within the region underlying the golf club grip. Preferably, the stiffeners are made of a shape memory alloy that can be shrunk onto the outside surface of the shaft, then expanded to permit the position of the stiffeners to be adjusted to suit the boundary conditions imposed by the human user.
    • 公开了一种具有抑制振动模式的高尔夫球杆。 该球杆包括轴,高尔夫球杆头,手柄和多个分立的轴加强件。 轴加强件在轴上具有战略位置,以便使球杆杆杆的至少第二和第三弯曲振动模式的节点移动,使得第二和第三弯曲振动模式中的每一个的节点都在球杆表面和 在高尔夫球杆握把下面的区域内。 优选地,加强件由可以收缩到轴的外表面上的形状记忆合金制成,然后膨胀以允许调整加强件的位置以适应人类使用者施加的边界条件。