发明名称 Auxiliary bending device for a spring-making machine
摘要 An auxiliary bending device for a spring-making machine having a slide includes a supporting frame adapted to be fastened on a slide of a spring-making machine, a driving mechanism fixedly mounted on the supporting frame and provided with a vertical axle, a bending head force-fitted on the vertical axle and provided with at least two upwardly extending pins for bending a spring wire, whereby the process for making springs can be facilitated.
申请公布号 US5860308(A) 申请公布日期 1999.01.19
申请号 US19970912167 申请日期 1997.08.15
申请人 WU, CHIN-TU 发明人 WU, CHIN-TU
分类号 B21F3/02;B21F35/02;(IPC1-7):B21F35/02 主分类号 B21F3/02
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