发明名称 GOLF SWING TRAINING DEVICE METHOD AND APPARATUS
摘要 A golf swing training aid adapted to have a first rail and a second rail whereby a carriage system is slidably attached thereto and the pitch of the club is controlled with respect to the position of the carriage assembly in the course of a swing. In one form, the rotation of the club about the shaft (the roll) is controlled in conjunction with the pitch of the club.
申请公布号 US2008070712(A1) 申请公布日期 2008.03.20
申请号 US20060533721 申请日期 2006.09.20
申请人 JONES JACK 发明人 JONES JACK
分类号 A63B69/36 主分类号 A63B69/36
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