Patent ID: 8740507

Claim:
A milling tool comprising: a body rotatable about an axis thereof; a first plurality of circumferentially spaced recesses disposed along an edge of said body, relative to said axis; a second plurality of circumferentially spaced recesses disposed along said edge, having each recess thereof disposed between a successive set of recesses of said first plurality of recesses; a plurality of cutting bits each disposed in a recess of said first plurality of recesses and provided with an outwardly facing ledge surface; a plurality of deflecting bits each disposed in a recess of said second plurality of recesses, provided with an abutment surface engaging the ledge surface of an adjacent cutting bit, in retaining relation and an outer surface curved in a plane including the axis of said body and a plane disposed orthogonally to said axis; and means for retaining each of said deflecting bits in the recess thereof and applying a force for retaining an engaged cutting bit.