发明名称 Hand-held power tool with grounding
摘要 An electrical hand-held power tool (2) includes a housing (4) in which a drive (6) is located, a ventilator (22) for forming a suction region (28) and a pressure region (30) in the housing (4) which provide for an air flow (L) that serves for cooling at least parts of the drive (6), and a separation element (26) arranged between the suction region (28) and the pressure region (30) and fixedly secured in the housing (4), the separation element (46) having an opening for forming a limited wire passage region (46) from the suction region (28) into the pressure region (30).
申请公布号 US8333252(B2) 申请公布日期 2012.12.18
申请号 US20070708087 申请日期 2007.02.15
申请人 BRITZ RORY;ONTL RAINER;HOFBRUCKER THOMAS;HILTI AKTIENGESELLSCHAFT 发明人 BRITZ RORY;ONTL RAINER;HOFBRUCKER THOMAS
分类号 E21B19/16 主分类号 E21B19/16
代理机构 代理人
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