Patent ID: 7651303

Claim:
A conduit reamer for a cutting tool, the conduit reamer comprising: a body having a longitudinal axis; a first blade coupled to the body and defining a first height of the conduit reamer with respect to the longitudinal axis; a second blade coupled to the body and defining a second height of the conduit reamer with respect to the longitudinal axis, wherein the first height is different than the second height; a shank end configured to be received and driven by the cutting tool; a bit end opposite the shank end and having an axially-extending cavity configured to receive a tool bit; a radially-extending aperture in the bit end in communication with the cavity; a locking member at least partially received in the radially-extending aperture; and a sleeve surrounding at least a portion of the bit end, the sleeve including a cylindrical interior surface and a recess in the cylindrical interior surface, wherein the sleeve is movable between an unlocked position, in which at least a portion of the locking member is received in the recess, and a locked position, in which no portion of the locking member is received in the recess.