Chiseling power tool
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United States of America Patent
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Dec 27, 2016
Grant Date -
Dec 5, 2013
app pub date -
May 22, 2013
filing date -
May 29, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A hand-held power tool is disclosed. The tool has a pneumatic striking mechanism. The striking mechanism includes a motor-driven exciter, a guide tube and a striker. A pneumatic spring configured inside the guide tube between the exciter and the striker is circumferentially sealed pressure-tight by an inner surface of the guide tube. The exciter and/or the striker are configured as a piston guided by the inner surface. An inner surface of the guide tube is provided with a plurality of molded depressions.
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