20110072876 | New-Type Thin Shredder Blade Having Blade Points without Steps, Blade Sets and Manufacturing Method Thereof - The present invention provides a new-type thin shredder blade having blade points without steps, comprising at least one blade body and at least one cutting part that is located on the periphery of the blade body and includes a blade point, wherein the cutting part further comprises a protrusion which protrudes from the cutting part and includes a top, a inclined plane extends between the top and the blade point, and an acute angle is formed by the inclined plane and the blade body, preferably, the inclined plane is an inverted triangle, the cutting part further includes a first hemline and a second hemline extending respectively from the blade body and intersecting to the 10 blade point, a first plane extends between the top and the first hemline and intersects with the inclined plane, the blade body includes at least one large protrusion which protrudes in the same direction as the protrusion, the blade sets formed by the above-mentioned new-type thin blades and the manufacturing method of the above-mentioned new-type thin blades are also provided, with the blade sets formed by the new-type thin shredder blade having blade points without steps of the present invention, the shredder can reduce the production cost and the energy consumption greatly, while meet the same cutting requirement of the common shredder entirely. | 03-31-2011 |