发明名称 GOLF CLUB SHAFT
摘要 A shaft for a golf club is comprised of upper, central and lower sections. Flex is isolated to the central section of the club by making the upper and lower sections relatively stiffer than the central section. Though more flexible, the central section resists twisting by fabricating the section using a higher percentage of diagonally oriented fibers laid in a crossing pattern. A thickened tip and larger diameter butt end enhance resistance to twisting of the shaft.
申请公布号 US2011195799(A1) 申请公布日期 2011.08.11
申请号 US201113022458 申请日期 2011.02.07
申请人 HOGAN GERALD F 发明人 HOGAN GERALD F.
分类号 A63B53/10;A63B53/00;B23P11/00 主分类号 A63B53/10
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