发明名称 |
SELF-LOCKING FASTENERS |
摘要 |
The invention is directed to self-locking screws in which the locking action is produced by at least a part of two adjacent thread convolutions which lean out of normal position toward each other and thereby grip the interposed thread of the mating part.
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申请公布号 |
US3693389(A) |
申请公布日期 |
1972.09.26 |
申请号 |
USD3693389 |
申请日期 |
1971.08.11 |
申请人 |
HOWARD I. PODELL;STEPHEN J. KEHOE |
发明人 |
HOWARD I. PODELL;STEPHEN J. KEHOE |
分类号 |
B21H3/02;(IPC1-7):B21H3/04;B21D17/04;B23G9/00 |
主分类号 |
B21H3/02 |
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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