Abstract: The present invention concerns an improvement of the structure of the knife set of the shredder, including one frame, at least two knife-rods corresponding to each other and mobile set on said frame; in addition, each knife-rod has one hollow part respectively and multiple cutters pierce-through set on the outer edge of each knife-rod respectively. Rely on said structure to achieve the effect of making a knife set which is easy to be made, lower manufacturing cost, lighter in weight and less energy demand in operation.

Abstract: The preferred embodiment the present invention proposes pertains to an antistatic dust cover, which is comprised of a closure base, and on the closure base is a hollow section, which is intended to accommodation the user's hand to put through it, and in turn to wipe the places that need to be wiped; a static eliminating layer, which is mounted on the closure base, which in turn is used to wipe the surface of objects containing static; and a protective membrane, which is mounted on the surface of the static eliminating layer and the proactive membrane is removed when using the unit, to achieve an aesthetical and practical functions, and rather ideal for mass production by the industry operators.

Abstract: The present invention relates generally to a paper shredder, and more particularly to a paper shredder with a suction apparatus for vacuum cleaner comprising: a paper shredder unit with a receiving compartment fitted within its interior and a suction connecting port fitted to the lower part of paper shredder unit that can be connected through to the receiving compartment, a vacuum cleaner unit with a filling compartment fitted within its interior; a vacuum connector with one end to be inserted and coupled to the corresponding suction connecting port and the other end to be connected to the vacuum cleaner unit through a flexible pipe so that the shredded papers inside the receiving compartment can be vacuumed out by the air suction force generated from the vacuum cleaner unit.