Patent ID: 7308956

Claim:
Method of securing a rotary cutter to a body, comprising the steps of: forming in an exterior surface of the body a cutter pocket having a first shoulder oriented toward a first end of the body and a truncated second shoulder oriented toward a second end of the body; forming one of at least one receptacle extending into the first shoulder or at least one projection projecting from the first shoulder; forming a first retainer retaining a first axle end of the rotary cutter, the first retainer engaging the first shoulder of the cutter pocket to prevent axial movement in a first direction and having an other of the at least one receptacle or the at least one projection adapted to engage the at least one receptacle in or the at least one projection from the first shoulder to prevent removal of the first retainer radially from the cutter pocket; forming a second retainer retaining a second axle end of the rotary cutter, the second retainer having a step down portion engaging the truncated second shoulder of the cutter pocket to prevent axial movement in a second direction; and positioning a locking ring on the exterior surface of the body, the locking ring overlying the truncated second shoulder and the step down portion of the second retainer to prevent removal of the second retainer radially from the cutter pocket.