发明名称 Tap driver apparatus
摘要 This invention is an apparatus to provide for a tap driver system that maintains alignment of a tap at the start of engagement and permits a limited amount of linear movement by providing a tension spring mounting system to connect the tap holder assembly and the tap assembly.
申请公布号 US4021133(A) 申请公布日期 1977.05.03
申请号 US19750568804 申请日期 1975.04.16
申请人 EX-CELL-O CORPORATION 发明人 EBERT, GARY R.
分类号 B23B31/08;B23G5/14;(IPC1-7):B23G3/06 主分类号 B23B31/08
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