| 摘要 |
A shredder capable of completely preventing a secret from leaking in the disposal of important papers merely by the engagement of the cutting blades of a roller cutter (4) and a fixed blade (3), wherein a cutting mechanism capable of cutting cut paper into fine pieces such as a plurality of slice cutters capable of alternately performing a vertical cutting and a horizontal cutting and meeting the requirements of a cutting process for one element of engagement of the cutting blades comprise a cutting mechanism cut by the engagement of the cutting blade of the roll cutter (4) with the cutting blade of the fixed blade (3) having the same cutting blade shape as the geometrically projected shape of the cutting blade of the roll cutter (4) set up with a specified angular phase difference provided therebetween, a mechanism for feeding the cut paper to a cutting blade engagement part under specified rules, and the other devices for controlling the mechanisms.
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