发明名称 FLEXIBLE AND EXTENDIBLE DRILL BIT ASSEMBLY
摘要 A flexible, extendable extension assembly used to create extended length holes and holes through inaccessible areas in walls and framing. The extension assembly including a flexible, solid core rod having first and second ends; and a holding means secured to the first end of the rod for releasably holding a tool bit for rotation with the rod.
申请公布号 US2008317559(A1) 申请公布日期 2008.12.25
申请号 US20080203979 申请日期 2008.09.04
申请人 发明人 WHITE CHRISTOPHER L.;DAVIDIAN RICHARD M.
分类号 B23B45/00;B23B5/22;B23D77/00 主分类号 B23B45/00
代理机构 代理人
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