CORNER FOLD CORRECTION DEVICE FOR PAPER SHEET, CORNER FOLD CORRECTION METHOD FOR PAPER SHEET, AND PAPER SHEET HANDLING DEVICE

摘要

To provide a corner fold correction device capable of correcting all corner-folded pieces of both of the front and rear surfaces by realizing reduction of the number of components, miniaturization, simplification of structure and cost reduction.SOLUTION: This device comprises: rollers 10, 20 and 30 provided with curved guide convex surfaces coming into contact with one surface of a conveyed paper sheet 100; outer guide members 50, 60 and 70 provided with curved guide concave surfaces for guiding the other surface of the paper sheet while forming curved passages G1, G2 and G3 allowing the passage of the paper sheet in cooperation with the rollers; corner fold correction parts 51a, 61a, 61b and 71a provided at end parts in the conveyance direction of the outer guide members; and the rollers 10, 20 and 30 for conveying the paper sheet, introduced into the curved passages, in both directions of a normal direction and a reverse direction within the curved passages.SELECTED DRAWING: Figure 1