发明名称 HANDHELD ROTARY TOOL
摘要 A rotary tool is provided with a head section that is selectively pivotable at a plurality of positions between an orientation where the head section is in-line with a body section to an orientation where the head section is perpendicular to the body section. The rotary tool can also swivel about an arc of 360 degrees.
申请公布号 US2008087449(A1) 申请公布日期 2008.04.17
申请号 US20070953525 申请日期 2007.12.10
申请人 EASTWAY FAIR COMPANY LIMITED OF TRIDENT CHAMBERS 发明人 LAM CHIN H.;CHAN SIU M.
分类号 E21B17/00 主分类号 E21B17/00
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