Patent ID: 7410330
Filing Date: 2008-08-12
Classification: B23C,B27G,Y10T

Abstract:
1. A cutter assembly, comprising: an axle having a plurality of parallel troughs along the axial direction; a plurality of blade discs, each having a plurality of blades along the rim, a center hole threaded through by said axle, and a plurality of teeth along the circumference of said center hole matching said troughs of said axle; a ring fixedly mounted to a first end of said axle; a nut removably mounted to a second end of said axle, said nut and said ring sandwiching said blade discs therebetween; a pair of bearing mounted to said first and second ends of said axle, respectively, sandwiching said blade discs, said ring, and said nut therebetween; and a pair of bearing seats surrounding said bearings; wherein the diameter of said center holes of said blade discs is larger than the diameter of said bearings; and the diameter of the hole of said nut is larger than the diameter of said bearings.