Patent ID: 6565292
Filing Date: 2003-05-20
Classification: B23B,B23C,B23D,Y10T

Abstract:
A cutting tool comprising a body portion and at least one cutting portion, the at least one cutting portion comprising an insert pocket and a cutting insert removably retained therein;the insert pocket being defined between a clamping jaw and a base jaw, the clamping jaw resiliently connected to the base jaw at a rear portion of the insert pocket; the insert pocket having an insert pocket opening at a front end thereof, the clamping jaw having a first upper side and a first lower side, the first lower side opposing the base jaw and being provided with a forward clamping surface proximate to the front end, the base jaw having a second upper side and a second lower side, the second upper side opposing the clamping jaw and comprising a generally straight first abutment surface proximate the front end connected to a second abutment surface having the form of a circular arc and forming a first recess in the base jaw relative to the first abutment surface; the cutting insert comprising front and top faces that define a cutting edge at an intersection thereof, and a bottom face located between the front face and a rear face, the top face having a rake surface adjacent the cutting edge and a second abutment surface adjacent the rear face, the bottom face comprises a generally straight third abutment surface adjacent the front face and a fourth abutment surface adjacent the rear face, at least a portion of the fourth abutment surface having the form of a circular segment protruding from the cutting insert relative to the third abutment surface; wherein the first and second abutment surfaces abut the third and fourth abutment surfaces, respectively, and the clamping surface abuts the second abutment surface.