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    • 21. 发明申请
    • Hybrid golf club
    • 混合高尔夫球杆
    • US20050043117A1
    • 2005-02-24
    • US10959802
    • 2004-10-06
    • Peter GilbertMichael BurnettJeffrey Meyer
    • Peter GilbertMichael BurnettJeffrey Meyer
    • A63B53/00A63B53/04
    • A63B53/0475A63B53/0466A63B53/047A63B60/02A63B2053/002A63B2053/0408A63B2053/0412A63B2053/0433A63B2053/0491A63B2209/00A63B2209/02
    • A hybrid golf club having a hollow club head construction including a lightweight composite core inserted into a club head cavity and juxtaposed against a front face by compressed gas to provide support to the front face therein. The core material is less dense and having greater flexibility than the front face. The front face has a variable stiffness so as to create a variable Coefficient of Restitution (COR) across the face, therein normalizing the hitting area over a greater portion of the face. The composite core supports the front face to provide a COR from about 0.8 in the middle of the face to about 0.9 in the outer section. The body of the club head has at least one opening wherein the composite core is visible and provides the shell for that portion of the club head. The composite core comprises a plurality of unidirectional layers with horizontal oriented layers alternating with vertical oriented layers to provide extra strength.
    • 一种具有中空球杆头结构的混合高尔夫球杆,其包括插入球杆头腔中的轻质复合芯,并通过压缩气体与前表面并置,以向前表面提供支撑。 芯材的密度较低,并且具有比前表面更大的柔韧性。 前表面具有可变的刚度,从而在整个脸部上产生可变的恢复系数(COR),其中在脸部的较大部分上使击球面积归一化。 复合芯支撑前表面,以在外表面中的约0.8处提供约0.8的COR。 球杆头的主体具有至少一个开口,其中复合芯是可见的,并为球杆头的该部分提供外壳。 复合芯包括多个单向层,其具有与垂直取向层交替的水平取向层以提供额外的强度。