发明名称 MANUAL MACHINE TOOL
摘要 The invention relates to a manual machine tool, especially a hammer drill, comprising a driveable drive means (12) arranged in a housing (10) and a mechanical percussion mechanism (14) for driving a tool (16) in a tool receiving element (18) in a percussive manner. Said percussion mechanism comprises a percussor (20) which can be driven in its percussion movement by means of a driver unit (22) comprising at least one ring-shaped cam (24, 26) having bumps and dents which are oriented in the axial direction towards the tool. The inventive machine tool also comprises a tracer unit (28) which interacts with the percussor (20). Said tracer unit can be brought into interaction with the bumps and dents of the cam (24, 26) by means of at least one tracing element (30). The tracer unit (28) comprises at least two tracing elements (30) which can be brought into interaction with the cam (24, 26).
申请公布号 WO0243928(A3) 申请公布日期 2003.04.03
申请号 WO2001DE04409 申请日期 2001.11.22
申请人 ROBERT BOSCH GMBH;HECHT, JOACHIM 发明人 HECHT, JOACHIM
分类号 B25D11/00;B23B45/16;B25D11/10 主分类号 B25D11/00
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