Patent ID: 9700947
Date: 2017-07-11
CPC Classifications: B23C

Claim:
1. A ballnose cutting insert comprising: a top face, a bottom face, a plurality of side clearance faces, a first nose corner, a second nose corner, and a first elongate cutting edge at the top face, a second elongate cutting edge at the top face, and a fastener bore with a center; a first open-end notch below the first nose corner, and a second open-end notch below the second nose corner, the first open-end notch being defined at least in part by a first generally planar engaging surface, and the second open-end notch being defined at least in part by a second generally planar engaging surface; the first generally planar engaging surface being disposed at a disposition angle relative to the second engaging surface, and the disposition angle being not equal to zero degrees; the first generally planar engaging surface being disposed from the center of the fastener bore a first abutment distance as measured along a line perpendicular to the first generally planar engaging surface, and the second generally planar engaging surface being disposed from the center of the fastener bore a second abutment distance as measured along a line perpendicular to the second generally planar engaging surface; and the first abutment distance being equal to the second abutment distance.