发明名称 |
DEVICE AND METHOD FOR IMPROVED TENNIS RACKET DAMPING AND WEIGHT ADJUSTMENT |
摘要 |
The present application relates to devices and methods for adjusting the weight of a racket using variably weighted racket damping devices. |
申请公布号 |
US2015283438(A1) |
申请公布日期 |
2015.10.08 |
申请号 |
US201414542289 |
申请日期 |
2014.11.14 |
申请人 |
HK Innovations |
发明人 |
Hwang Daniel |
分类号 |
A63B59/00;B29C33/38 |
主分类号 |
A63B59/00 |
代理机构 |
|
代理人 |
|
主权项 |
1. A vibration damping device for use in a racket, comprising:
a shell comprising an upper shell and a lower shell mated together; and an insert positioned in the shell. |
地址 |
Plano TX US |