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