发明名称 Drilling machine
摘要 A drilling machine includes a motor housing, a gear box housing, a shaft driven by the motor and extending into the gear box housing, a drilling shaft extending through the gear box housing and having an outgoing channel arranged in the drilling shaft for supply/removal of a drill flow medium to/from a tool part that is connectable to the drilling shaft, a drill flow medium room, between the motor housing and gear box housing, that can be supplied with drill flow medium when the drilling machine is in operation, and an incoming drill flow medium conduit for the supply/removal of the drill flow medium to/from the drill flow medium room. The motor housing includes a detachable end cover which forms the rear unit of the drilling machine. The gear box housing includes a detachable end cover that forms the front unit of the drilling machine.
申请公布号 US8037948(B2) 申请公布日期 2011.10.18
申请号 US20070439285 申请日期 2007.08.31
申请人 HUSQVARNA AKTIEBOLAG 发明人 ALBINSSON MARI;NORDGREN KLAS;PETERSSON ULF
分类号 E21B3/00;B25B27/10 主分类号 E21B3/00
代理机构 代理人
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