Patent ID: 9321292
Filing Date: 2016-04-26
CPC Classification: B42B,B42C,B65H

Claim Text:
1. An after-processing device for performing sheet folding, comprising: a pair of folding rollers configured to fold a sheet, wherein one folding roller among the pair of folding rollers is a first roller and another folding roller among the pair of folding rollers is a second roller; a third roller that is in contact with the second roller; a heating member located downstream of the pair of folding rollers in terms of a sheet conveyance direction; and a supporting unit that supports the heating member in a manner such that position of the heating member in terms of the sheet conveyance direction is changeable in accordance with an amount of conveyance imparted on the sheet by the pair of folding rollers after folding, wherein the position of the heating member in terms of the sheet conveyance direction changes such that the heating member is in contact with a leading edge of a fold portion of the sheet, the after-processing device further comprises a pressing member configured to perform an additional folding operation on the sheet by moving from a first position to a pressing position and pressing a portion of the sheet, which has been folded by the pair of folding rollers, into a region in which the second roller is in contact with the third roller, the portion of the sheet pressed by the pressing member differing from the fold portion, the supporting unit is supported by the pressing member in a manner such as to be moveable relative to the pressing member, and during movement of the pressing member towards the pressing position, movement of the supporting unit is restricted such that the heating member remains located downstream of the pair of folding rollers in terms of the sheet conveyance direction.