发明名称 Golf club swing training device
摘要 A practice device comprising a ball suspended by a cord from a handle or from the shaft of a golf club for use in a set of drill steps intended to teach a proper golf swing. The control of the suspended ball necessitates concentration upon the utilization of centrifugal forces which are essential to a proper golf club swing.
申请公布号 US4664388(A) 申请公布日期 1987.05.12
申请号 US19860831621 申请日期 1986.02.21
申请人 CORRECT SWING CORP. OF AMERICA 发明人 HUBER, JOE B.
分类号 A63B67/20;(IPC1-7):A63B69/36 主分类号 A63B67/20
代理机构 代理人
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