Patent ID: 7753301

Claim:
A guide-cutting plate of a cutting wheel for a paper shredder cutting head with cylindrical rotary cutting wheels on two parallel blade shafts with two fixing rods in proximity to said blade shafts and a shredder cover with a longitudinal strip-shape aperture above a centerline of said blade shafts, comprising: a planar linear guide-cutting plate having blade shaft transfix holes, opened on two sides of a centerline thereof, corresponding to a spacing between said blade shafts of said two parallel cylindrical rotary cutting wheels; said guide-cutting plate being opened with two fixing rod transfix holes corresponding to a spacing between two fixing rods; a centerline part above the two blade shaft transfix holes being opened with a rabbet which is latched on two sidewalls of the strip-shape aperture in the shredder cover; and a bottom of the rabbet being provided with a concaved knife-edge to cut off a residue of paper sheets.