Portable Tool
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Jan 3, 2005
filing date -
Jul 4, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A portable tool such as a chisel hammer or drill hammer has a receptacle for receiving a tool insert. A hammer member drives percussively the tool insert received in the receptacle. The hammer member is movable in the direction of the longitudinal axis of the tool insert. The hammer member has a greater mass than a same-size reference hammer member of steel. The mass of the hammer member is at least 140 percent greater than that of the reference hammer member.
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