Manual machine tool
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United States of America Patent
Stats
-
Jan 18, 2005
Grant Date -
Jan 8, 2004
app pub date -
Mar 31, 2003
filing date -
Apr 6, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention is based on a hand power tool, in particular a drill hammer and/or a chipping hammer, having a striking mechanism (14) capable of being driven in a housing (10) by an electric motor (12), via which an insertable tool (18) situated in a tool mount (16) is capable of being driven in an impacting manner, and having a sensor unit (30) via which a characteristic value for a no-load position can be detected. It is proposed that, when a no-load position is detected via a motor control unit (22), the electric motor (12) and, therefore, the striking mechanism (14) can be actively decelerated.
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