Drilling aid
    2.
    发明授权
    Drilling aid 失效
    钻井辅助

    公开(公告)号:US5163791A

    公开(公告)日:1992-11-17

    申请号:US765662

    申请日:1991-09-26

    申请人: Ralph Norton

    发明人: Ralph Norton

    IPC分类号: B23B47/28 B23Q35/02

    摘要: A pin locator device for use in positioning a drill relative to an already drilled hole in a workpiece for the purpose of drilling a line of equally interspaced holes in the workpiece is in the form of a spring plunger which can be depressed into the already drilled hole and released when the workpiece is properly situated for the next drilling operation.

    摘要翻译: 用于定位钻头相对于工件中已经钻孔的针定位器装置是用于在工件上钻一排同样间隔的孔的目的,其为弹簧柱塞的形式,其可以被压入已经钻孔中 并且当工件被适当地定位用于下一次钻孔操作时被释放。