发明名称 BROKEN BOLT EXTRACTOR
摘要 A broken bolt extractor is disclosed which comprises a counter clockwise cutting tip section for drilling a bore into a broken bolt, the cutting tip section being tapered, an intermediate gripping section having a gripping edge for gripping a side of the bore drilled into the broken bolt, the intermediate gripping section being tapered, and a shaft section for attachment to a tool for rotating the extractor.
申请公布号 US2015283626(A1) 申请公布日期 2015.10.08
申请号 US201414245436 申请日期 2014.04.04
申请人 Thomas Marvin 发明人 Thomas Marvin
分类号 B23B51/10;B25B27/18;B23B51/00 主分类号 B23B51/10
代理机构 代理人
主权项 1. A broken bolt extractor comprising: a counter clockwise cutting tip section for drilling a bore into a broken bolt, the cutting tip section being tapered; an intermediate gripping section having a gripping edge for gripping a side of the bore drilled into the broken bolt, the intermediate gripping section being tapered; and a shaft section for attachment to a tool for rotating the extractor.
地址 St. Louis MO US