Patent ID: 7641136

Claim:
A cutter structure of a paper shredder, comprising: at least one pull rod; at least one paper guide comb including a hole, said pull-rod being disposed through the hole; at least two cutter arbors; at least one cutter-blade set comprising two cutter-blades, each cutter-blade being disposed on a respective cutter arbor; at least two lugs extending along a cutter spoke and set in a bore of said cutter-blades, a height of said at least two lugs along an axial direction of said cutter-blades being greater than a thickness of each said cutter-blade; the at least two cutter arbors including a number of recesses, the number being no less than a number of said at least two lugs, said at least two lugs being disposed in said recesses; said at least one paper guide comb disposed between said cutter-blades; and said at least one paper guide comb disposed on said at least two cutter arbors.