Reversible Cutting Insert and Tool Assembly Having the Same
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United States of America Patent
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app pub date -
Dec 2, 2011
filing date -
Jun 2, 2009
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Abstract
A reversible cutting insert has an upper face, a lower face, a central axial hole and a plurality of side faces connecting the upper face and the lower faces, each of the side faces being convexed in the lateral direction. Round-shaped upper and lower cutting edges are formed at a border portion between the upper face and each of side faces and a border portion between the lower face and each of the side faces, respectively, each of the side faces having an axially dented portion formed between the upper cutting edge and the lower cutting edge, the axially dented portion extending in a widthwise direction and having a flat face perpendicular to the upper and lower faces. A tool assembly according to the present invention includes a tool holder on which a plurality of pockets are formed, and a plurality of cutting inserts, each of which is mounted in one of the pockets.
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