发明名称 Drill bushing assembly and method
摘要 A method of assembling a headed bushing from a headless bushing and a bushing head, and the resulting headed bushing. Selecting a bushing head which has a deformable flange and a bushing engaging sector on its inside cylindrical wall. Selecting a headless bushing and forming a groove on its exterior surface to engage with the deformable flange, and a head engaging sector to engage with the bushing engaging sector. Assembling the two together and upsetting the flange into the groove to hold the assembly together.
申请公布号 US5685057(A) 申请公布日期 1997.11.11
申请号 US19950431895 申请日期 1995.05.01
申请人 CBC INDUSTRIES, INC. 发明人 TSUI, GARY
分类号 B21D39/04;B23B49/02;B23P11/00;(IPC1-7):B21D39/04 主分类号 B21D39/04
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