| 发明名称 |
Training device for improving a tennis players swing |
| 摘要 |
A training device which includes a face with a first region and a second region, said first region adapted to provide an first auditory output when struck by a tennis ball and said second region adapted to provide a second auditory output when struck by a tennis ball, wherein said first auditory output and said second auditory output are different, a circumferentially grooved region adjacent said face, and a ringlet engageable with said grooved region. |
| 申请公布号 |
US8771108(B2) |
申请公布日期 |
2014.07.08 |
| 申请号 |
US201313754400 |
申请日期 |
2013.01.30 |
| 申请人 |
|
发明人 |
Auzoux Yann O. |
| 分类号 |
A63B69/38 |
主分类号 |
A63B69/38 |
| 代理机构 |
Buchanan Ingersoll & Rooney PC |
代理人 |
Buchanan Ingersoll & Rooney PC |
| 主权项 |
1. A training device including:
a. a face with a first region and a second region, said first region adapted to provide a first auditory output when struck by a tennis ball and said second region adapted to provide a second auditory output when struck by a tennis ball; wherein said first auditory output and said second auditory output are different; b. a circumferentially grooved region adjacent said face; and c. a ringlet engageable with said grooved region. |
| 地址 |
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