发明名称 GOLF CLUB
摘要 Various forms of golf clubs are disclosed which include one or more inflatable bladders in the golf club head and/or golf club shaft, as well as internal and external grooving of the golf club shaft. Such golf clubs have enhanced characteristics for driving a golf ball to move in a desired trajectory. The unique structural components of the golf club provide for reinforcing, rigidifying, reducing weight and more effective control of the golf club during the swing. A higher club head speed when impacting a golf ball, more stability on off center hits, reduced vibration upon ball impact, improved sound characteristics, and improved "feel" can be achieved.
申请公布号 WO9856470(A1) 申请公布日期 1998.12.17
申请号 WO1998US12157 申请日期 1998.06.09
申请人 HILLERICH & BRADSBY CO. 发明人 MACKAY, JACK, W., JR.;MANNING, GEORGE, E.
分类号 A63B53/00;A63B53/04;A63B53/12 主分类号 A63B53/00
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