| 摘要 |
<p>PCT No. PCT/EP92/01697 Sec. 371 Date May 20, 1993 Sec. 102(e) Date May 20, 1993 PCT Filed Jul. 26, 1992 PCT Pub. No. WO93/02753 PCT Pub. Date Feb. 18, 1993.Sports equipment for ball games comprising a stroke portion and a shaft portion including a grip, in particular a tennis racket or a golf club, wherein mass particles are integrated into the equipment structure which are freely displaceable or freely movable thereto and which are provided in one or a plurality of chamber(s) the volume of each of said chambers being small relative to the interior volume of the stroke and/or the shaft portion. The stroke characteristics of the sports equipment can be variied depending from the distribution of the chambers within the structure and/or from the amount of the mass particles used. Stroke shocks are attenuated with the result that occurrence of "tennis elbow" is diminished.</p> |
