| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an implement notifying a user about a proper grip, in sport using a tool such as a golf club, a bat, or a racket. <P>SOLUTION: This excessive grip sensing implement 2 includes a copper plate deformed or outputting sound by pressure inside a grip portion of the implement imitating the golf club, the bat, the racket or the like, and allows recognition of excessive force by the tactile feeling of a hand by equipping a projection in a shaft and enwrapping it in urethane or the like. <P>COPYRIGHT: (C)2013,JPO&INPIT |
