发明名称 Grounding system
摘要 Exemplary embodiments provided herein may include segmented grounding system, including a bit including a coupling portion at a first end, and a generally tapered second end, a shaft with a first end configured to couple to the coupling portion of the bit, and a second end comprising a receiving structure, and a tool configured to couple to the receiving structure of the second end of the shaft.
申请公布号 US7282637(B2) 申请公布日期 2007.10.16
申请号 US20040009300 申请日期 2004.12.10
申请人 E&S GROUNDING SOLUTIONS 发明人 STOCKIN DAVID R.;ESPARZA MICHAEL
分类号 H01R4/66 主分类号 H01R4/66
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