Patent ID: 7048476

Claim:
An apparatus for securing an insert to a cutter head, said apparatus comprising: a cutter head having an insert slot for receiving an insert, said insert slot having a planar face substantially parallel to an axis of rotation of said cutter head, said insert slot having a tongue adapted to engage a slot in the insert, a clamping slot oriented longitudinally in said cutter head, said clamping slot adjacent said insert slot such that a surface of the insert positioned in said insert slot forms a side surface of said clamping slot, said cutter head having a threaded aperture formed in a bottom surface of said clamping slot; a clamping member having a threaded thru-opening with a thread cut in an opposite direction as a thread in said threaded aperture in said cutter head, said clamping member adapted to wedge the insert in said clamping slot; and a fastener adapted to engage said threaded aperture in said cutter head and said threaded thru-opening in said clamping member whereby said fastener draws said clamping member toward said cutter head when rotated in a first direction and clamping the insert to said cutter head.