发明名称 Aligning tool for strings of racket
摘要 An aligning tool for realigning misaligned strings in the central zone of the string network of a racket after heavy use to return the strings in a normal predetermined spacing, which tool includes a plurality of spaced right pyramidal projections extending from a base, the tool projections being adapted to be inserted between the strings to force misaligned strings of the racket back to a normal aligned condition.
申请公布号 US4089523(A) 申请公布日期 1978.05.16
申请号 US19750573890 申请日期 1975.05.05
申请人 NEWBURGER, SUSAN;KEANEY, JOHN D. 发明人 NEWBURGER, SUSAN;KEANEY, JOHN D.
分类号 A63B51/00;(IPC1-7):A63B69/38 主分类号 A63B51/00
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