Patent ID: 6485235
Filing Date: 2002-11-26
Classification: B23B,Y10S,Y10T

Abstract:
A cutting tool assembly comprising:a replaceable cutting head and a tool body having a common longitudinal axis and mating peripheral surfaces; said cutting head having a cutting portion forming a leading end, a pilot portion forming a trailing end, and a cutting head mounting portion adjacent said pilot of said cutting head; said tool body having a cutting head receiving portion formed at a leading end of said tool body and a recess disposed in said leading end of said tool body to matingly receive said pilot portion of said cutting head; said cutting head mounting portion and said cutting head receiving portion of said tool body each having at least two coupling portions, said cutting head coupling portions and said tool body coupling portions being bound by said peripheral surfaces and generally mating in shape and dimensions; each coupling portion having a pair of surfaces, comprising an upper and a lower surface, said surfaces extending transversely to said longitudinal axis and providing support of said cutting head in said tool body, a torque transmission wall extending between said upper and lower surfaces from said pilot portion surface to said peripheral surface in a generally transverse direction relative to said longitudinal axis and oriented transversely to said surfaces, a fastener centrally disposed in said tool body along said longitudinal axis and engaging said pilot portion of said cutting head and exerting an axial force on said cutting head for pressing said cutting head mounting portion against said cutting head receiving portion of said tool body.