Tool holder clamp assembly for cutting inserts and its pressing plate
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United States of America Patent
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Oct 15, 2013
Grant Date -
Jan 5, 2012
app pub date -
Sep 12, 2011
filing date -
Mar 13, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A clamp fastens a cutting insert to a tool holder. The clamp assembly includes a body portion provided with a screw hole, a forward protrusion formed at the front portion of the body and extending downward, a rear protrusion formed at the rear end portion of the body and extending downward, and a bridge connecting the forward protrusion and the central portion of the body. The clamp assembly also includes a pressing plate having upper and lower surfaces, a front nose portion, a rear end portion, and is provided with a keyhole shaped groove having an enlarged inner cavity open toward the rear end by a narrow neck extending thicknesswise. The forward protrusion is inserted into the enlarged inner cavity and the bridge is inserted into the narrow neck of the keyhole groove so that the pressing plate is coupled to the clamp.
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