Patent ID: 6796750
Filing Date: 2004-09-28
Classification: B23C,Y10T

Abstract:
A cutting tool having a longitudinal axis (A) and comprising a tool body having at least one mounting leg formed at a forward portion thereof, the at least one mounting leg comprising an insert receiving pocket and a cutting insert retained therein,the insert receiving pocket comprising: a base wall and a side wall transversely directed to the base wall; a substantially circular recess extending downwardly from the base wall, the recess having a lower wall bounded by an upstanding peripheral wall, and a threaded bore having a threaded bore axis (B) and extending downwardly from the lower wall of the recess; the cutting insert comprising: an upper surface, a lower surface and a side surface extending between the upper surface and the lower surface, continuously peripherally extending cutting edge portions defined at an intersection between the upper surface and the side surface; a cylindrical protrusion extending downwardly from the lower surface, the cylindrical protrusion having a bottom surface surrounded by a peripheral surface, and a through bore having a bore axis (E) and extending between the upper surface and the bottom surface; wherein: a retaining screw passes through the through bore and threadingly engages the threaded bore; the peripheral surface of the cutting insert abuts the peripheral wall of insert receiving pocket; and the lower surface of the cutting insert abuts the base wall of the insert receiving pocket.