| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To continuously form a mountain fold and to continuously form a valley fold in addition to conventional zigzag fold. <P>SOLUTION: A sheet folding part folded by a first or second folding roller pair 6 and 7 is guided to the oppositely arranged first or second folding roller pair 6 or 7, the sheet folding part is detected by a first or second sensor 8 or 9, and a sheet conveying direction and a sheet conveying distance are controlled on the basis of the result of the detection. Timing is matched for the conveyance of the sheet by the first or second folding roller paper 6 or 7 and the operation of a first or second sheet guide member 4 or 5, and a sheet P is folded while holding and conveying the sheet P by the first or second folding roller pair 6 or 7. Thus, in addition to the zigzag fold of alternately forming the mountain fold and the valley fold, the continuous formation of the valley fold and the continuous formation of the mountain fold are made possible. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
