发明名称 |
TENNIS RACKET |
摘要 |
<p>A generally oval tennis racket characterized in that its strung surface comprises five zones: a central zone (A) including the geometric center (M) and the center of percussion (P) and having at least three cross strings; and on either side thereof two zones (B and C) each having at least three cross strings whose average length exceeds that of the cross string in the central zone (A). This construction increases the area (sweet spot) over which resilience is substantially uniform.</p> |
申请公布号 |
EP0366778(B1) |
申请公布日期 |
1992.03.25 |
申请号 |
EP19890906128 |
申请日期 |
1989.05.02 |
申请人 |
LA CHEMISE LACOSTE |
发明人 |
LACOSTE, RENE;GALLAIS, ALAIN |
分类号 |
A63B51/02;A63B49/00;A63B49/02 |
主分类号 |
A63B51/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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