CUTTING INSERT, CLAMPING DEVICE FOR CUTTING INSERT, AND CUTTING TOOL
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United States of America Patent
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app pub date -
Jan 8, 2013
filing date -
May 23, 2011
priority date (Note) -
Abandoned
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Abstract
A cutting insert can be clamped by a lever-lock clamping device to a tool body in a more stable and reliable manner. A cutting insert clamped by the clamping device to an insert seat formed on a tool body, includes: an upper surface and a lower surface each having a substantially polygonal contour shape; a plurality of side surfaces extending between the upper surface and the lower surface; a through-hole penetrating through the upper surface and the lower surface; and a concave notch portion for receiving a clamping force that is partially formed at a peripheral edge portion of the through-hole on the upper surface side.
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