发明名称 Golf swing aid
摘要 A golf swing is shown which includes a shoulder encircling elastic band which is secured about the shoulders and provides a primary directive force for the swing. A pair of arm encircling bands depend downwardly from the shoulder encircling band for engaging the arms and maintaining the position of the shoulder encircling band during use.
申请公布号 US4890841(A) 申请公布日期 1990.01.02
申请号 US19890308535 申请日期 1989.02.10
申请人 BROOKS, MARK 发明人 BROOKS, MARK
分类号 A63B69/00;A63B69/36 主分类号 A63B69/00
代理机构 代理人
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