Patent ID: 6379087
Filing Date: 2002-04-30
Classification: B23B,Y10T

Abstract:
A toolholder assembly comprised of:a) a toolholder with a body having a pocket formed therein which has at least one side wall and a bottom wall; b) a cutting insert with an insert body having: i) a top and a bottom surface; ii) a peripheral wall therebetween; iii) a cutting edge formed by the intersection of the peripheral wall and the top surface; iv) wherein a central cavity extends within the top surface and has cavity walls defining a plurality of pairs of clamping surfaces; v) wherein the clamping surfaces of a pair are separated from one another by a recess; vi) wherein for each pair of clamping surfaces, the associated recess is comprised of two other clamping surfaces associated with different pairs of clamping surfaces and the two other clamping surfaces within the recess converge as they extend away from the central longitudinal axis; vii) wherein the insert mounts within the toolholder pocket; and c) a clamp mounted upon the toolholder with a protruding nose which jointly engages one pair of the insert clamping surfaces and urges the insert into the pocket.