发明名称 Golf swing guide with backswing indicator
摘要 A golf training device is disclosed comprising a circular guide which engages the shaft of the golf club to guide it through a golf swing. The circular guide includes a break point, which when encountered by the shaft of the golf club, can be sensed by the golfer through the shaft of the golf club. The break point is placed in a position to indicate to the golfer that the upper limit of a proper backswing has been reached.
申请公布号 US4919432(A) 申请公布日期 1990.04.24
申请号 US19880201450 申请日期 1988.06.02
申请人 COGGINS, CARLOS;MCCAULEY, PATRICK O. 发明人 COGGINS, CARLOS;MCCAULEY, PATRICK O.
分类号 A63B69/36 主分类号 A63B69/36
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