Protective sleeve for bit holder on cutting tool assembly comprises split ring portion which is radially compressed by smaller opposite end portion as sleeve is hammered and axially displaced on bit holder

摘要

The protective sleeve comprises a rearward split ring portion(30) and an intermediate cylindrical ring portion(32) adjacent to forward shoulder portion(34). The outer diameter of the wear sleeve intermediate portion and rearward split ring portion is uniform. The forward portion is a collar for protecting the bit holder from axial forces applied to the cutting tool bit. the wear sleeve is inserted into the bit holder's stepped bore aperture. An Independent claim is also included for a cutter tool assembly for attachment to cutting tool machinery.