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.
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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 |
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代理人 |
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主权项 |
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地址 |
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