发明名称 Pitch tool holder
摘要 A spring coiling machine wherein the pitch tool holder has two active plates which act as a clamp on the stem of the pitch tool. Preferably, the clamping plates are carried on a support based plate or the like, which is moveable linearly in a direction parallel to the pitch stem axis.
申请公布号 US5647240(A) 申请公布日期 1997.07.15
申请号 US19950508830 申请日期 1995.07.28
申请人 NEWCOMB SPRING CORPORATION 发明人 JACOBSON, JOHN D.
分类号 B21F3/02;(IPC1-7):B21F3/02;B21D37/04 主分类号 B21F3/02
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