发明名称 Outlet box knockout
摘要 A knockout in a sidewall of a plastic electrical box has a slot for receiving a screwdriver tip to apply a knockout force to the knockout. The slot is located adjacent the box bottom wall to minimize deformation of the sidewall by a knockout force.
申请公布号 US2005092506(A1) 申请公布日期 2005.05.05
申请号 US20040014136 申请日期 2004.12.16
申请人 THE LAMSON & SESSIONS CO. 发明人 HULL ERIC G.;TURCOVSKY GREGORY D.;REVLOCK DENNIS P.SR.
分类号 H02G3/08;(IPC1-7):H02G3/08 主分类号 H02G3/08
代理机构 代理人
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