Patent ID: 6158928
Filing Date: 2000-12-12
Classification: B23B,Y10T

Abstract:
A cutting tool assembly having a longitudinal axis and comprising a cutting insert to be releasably retained in a tool holder, said cutting insert being formed with a through bore having spaced apart, peripherally located, radially directed support wings, said tool holder being provided with a coupling member having a plurality of corresponding radially extending abutment wings for interacting with the support wings of the cutting insert, said coupling member of the tool holder being rotatable and axially displaceable with respect to the toolholder, wherein a retaining coupling of said cutting insert to said tool holder is effected upon insertion of the coupling member of the tool holder into the through bore of the cutting insert with said abutment wings passing between and beyond successive support wings, rotating said coupling member so that said abutment wings are aligned with and overlay said support wings whilst axially displacing said coupling member until said abutment wings clampingly abut said support wings.