发明名称 Sports racquet utilizing non-circular strings
摘要 A sports racquet which utilizes non-circular strings is disclosed. The strings are threaded to the racquet in the normal manner with their flat or larger surfaces facing outwardly. The strings are thus arranged in a grid pattern with their flat or larger surfaces forming the striking area.
申请公布号 US4597576(A) 申请公布日期 1986.07.01
申请号 US19840628993 申请日期 1984.07.09
申请人 HAYTHORNTHWAITE, JAMES 发明人 HAYTHORNTHWAITE, JAMES
分类号 A63B51/02;(IPC1-7):A63B51/00 主分类号 A63B51/02
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