发明名称 RACKET VIBRATION ABSORBING DEVICE WITH SCORE-COUNTER
摘要 PROBLEM TO BE SOLVED: To provide an impact absorbing device for a racket of tennis or the like having a display board for displaying the score (the number of points or games or both) of a tournament. SOLUTION: A score display board (4) is placed in an impact absorbing device (3) mounted on a gut (2) of a racket (1).
申请公布号 JP2003093549(A) 申请公布日期 2003.04.02
申请号 JP20010333515 申请日期 2001.09.25
申请人 HAMAGAKI HIROHISA 发明人 HAMAGAKI HIROHISA
分类号 A63B49/04;A63B71/06 主分类号 A63B49/04
代理机构 代理人
主权项
地址