Metal-cutting tool
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United States of America Patent
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Jun 17, 2003
Grant Date -
N/A
app pub date -
Nov 8, 2000
filing date -
Nov 10, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention pertains to a metal-cutting tool with at least one recess (2) for receiving a cutting insert (3). The cutting insert (3) is securely clamped in the recess (2) by an elastic clamping arm (8), which forms the upper contact surface (14) of the recess (2). According to the invention, the lower contact surface (4) of the cutting insert (3) and the lower contact surface (9) of the recess (2) are at least partially configured in an arc. The radius (r) of the arc of the contact surface (9) is designed slightly smaller than the arc (R) of the contact surface (4). The upper contact surface (5) of the cutting insert (3) and the contact surface (14) of the clamping arm (8) are matched in such a way that mutual contact takes place in a range which is at a distance from the symmetry line (S) in the direction of the cutting edge (11) of the cutting insert (3).
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