发明名称 Racquet stringing machine
摘要 A racquet stringing machine having automatically activated locking means and an improved tension means using a free hanging weight to apply a uniform tension to a racquet string through a wheel and drum which are connected to the weight and the racquet string, respectively.
申请公布号 US4130278(A) 申请公布日期 1978.12.19
申请号 US19770808538 申请日期 1977.06.21
申请人 GUTZWILLER, ROBERT L. 发明人 GUTZWILLER, ROBERT L.
分类号 A63B51/14;(IPC1-7):A63B51/14 主分类号 A63B51/14
代理机构 代理人
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