Patent ID: 6599068
Filing Date: 2003-07-29
Classification: B23B,Y10T

Abstract:
A tool holder, including a tool support section for securing a tool and a shank removably fitted and secured to a tapered hole of a main shaft of a machining tool, comprising:a plurality of elastic engagement pieces on said shank; said plurality of elastic engagement pieces disposed at an outer perimeter section of said shank at a plurality of positions along an axial center and abutting an inner surface of said tapered hole during an insertion and deforming in a radial direction; said shank being fitted into said tapered hole of said main shaft during said insertion and secured to said main shaft with said plurality of elastic engagement pieces elastically deformed in said radial direction; and a plurality of grooves extending longitudinally along said shank formed at said outer perimeter section of said shank.