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.
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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 |
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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