Tool holder for a cutting insert

Abstract

The invention relates to a tool holder (10) for a cutting insert (18), having a shank (12), a counter bearing (14) on which a pocket (16) for a cutting insert (18) is provided, disposed on the front end of the shank, and a clamping segment (20) integrally joined to the shank (12) via a bending segment (22); wherein the clamping segment (20) has a clamping finger (28) and a clamping element (26) such that the clamping finger (28) is capable of acting against the counter bearing segment (14) by means of the clamping element (26), thereby enabling a cutting insert (18) to be clamped between the clamping finger (28) and the counter bearing segment (14); wherein the clamping segment (20) protrudes beyond the top side of the shank (12); and wherein a coolant supply passage (40, 42, 44, 46) extends through the shank (12) and the bending segment (22) into the clamping segment (20); wherein the coolant supply passage (40, 42, 44, 46) has a shank passage (46), a clamping finger passage (40), and a connecting passage (44) that starts from the shank passage (46) and extends through the bending segment (22); characterized in that the connecting passage (44) is disposed in a longitudinal center region of the tool holder (10) and, on its rear side (30) facing toward the shank (12), the clamping segment (20) extends less far in a direction toward the rear end of the shank (12) on both sides of the longitudinal center segment than it does in the longitudinal center segment.

Dependencies are inferred from the claim text.