发明名称 DRILLING TOOL WITH DUST COLLECTOR
摘要 According to the invention, a drilling tool includes: a motor; a transmission drive unit for transmitting a rotation force of the motor to rotate a drill bit; and a dust collector for collecting dust produced from a workpiece drilled by the drill bit, wherein the dust collector is provided with a pierced portion pierced by the drill bit, a dust collection port for sucking the produced dust and its surrounding air, and a blowoff port for blowing air against a vicinity of the piercing drill bit.
申请公布号 US2009148248(A1) 申请公布日期 2009.06.11
申请号 US20080329408 申请日期 2008.12.05
申请人 HITACHI KOKI CO., LTD. 发明人 NISHIKAWA TOMOMASA;KOBORI KENJI;SUZUURA TSUKASA
分类号 B23B47/00 主分类号 B23B47/00
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