发明名称 Hybrid golf club
摘要 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.
申请公布号 US2005043117(A1) 申请公布日期 2005.02.24
申请号 US20040959802 申请日期 2004.10.06
申请人 GILBERT PETER J.;BURNETT MICHAEL SCOTT;MEYER JEFFREY W. 发明人 GILBERT PETER J.;BURNETT MICHAEL SCOTT;MEYER JEFFREY W.
分类号 A63B53/00;A63B53/04;(IPC1-7):A63B53/04 主分类号 A63B53/00
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