- 专利标题： Tennis training device
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申请号： US15786525申请日： 2017-10-17
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公开(公告)号： US10245495B2公开(公告)日： 2019-04-02
- 发明人: Josef Dagn
- 申请人： Josef Dagn
- 代理商 Horst M. Kasper, Esq.
- 优先权： DE202016105816U 20161018
- 主分类号： A63B69/38
- IPC分类号： A63B69/38 ; A63B69/00 ; A63B43/00 ; A63B21/008 ; A63B21/02 ; A63B71/00 ; A63B71/02
摘要：
A tennis training device is provided, comprising a support bar which is swivelable between a first and a second stop in its longitudinal direction, wherein at the free end of the support bar a ball is mounted by means of a connecting ember, which is releasably fixed by means of a fixing means.Furthermore, the invention relates to different embodiments of a training unit.
公开/授权文献
- US20180104562A1 TENNIS TRAINING DEVICE 公开/授权日：2018-04-19
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