Patent ID: 7118181

Claim:
A cutting tool assembly, comprising: a support block having a sleeve-receiving hole therein; a cutting tool having an elongated shank; and an annular sleeve having a leading end and a trailing end, said annular sleeve comprising: at least one first notches in said annular sleeve, each said first notch extending axially from a corresponding first notch opening at the leading end and extending towards said trailing end; at least one second opposing notch adjacent at least one said first notch, each said second notch extending from a corresponding second notch opening at said trailing end and extending axially towards said leading end of said annular sleeve, said annular sleeve forming a circumferentially extending area of interference fit with said support block when said annular sleeve is seated within said sleeve-receiving hole, said circumferentially extending area of interference fit being only interrupted by said first and second notches; and a shank-receiving passage extending through said annular sleeve for receiving said elongated shank therethrough, said annular sleeve retaining said elongated shank therein while permitting rotation of said elongated shank within said shank-receiving passage.