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.
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
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