Patent ID: 9352604
Filing Date: 2016-05-31
CPC Classification: B26F,B31F,B42B,B42C,B42F,B65H,G03G

Claim Text:
1. A sheet processing device that saddle stitches and folds in half a paper sheet bundle, comprising: a stacker section that temporarily stacks conveyed paper sheets in a substantially vertical attitude; a stopper that regulates the paper sheets stacked in the stacker section; a first binding section that is provided in the stacker and saddle-stitches, with a metallic staple, a paper sheet bundle regulated by the stopper at a binding position around a center of the paper sheet bundle in a sheet conveying direction; a second binding section that saddle-stitches, without using the metallic staple, the paper sheet bundle regulated by the stopper at the binding position around the center of the paper sheet bundle in the sheet conveying direction; and a folding section that folds in half the paper sheet bundle regulated by the stopper at a folding position at which the paper sheet bundle is bound by the first binding section or second binding section, wherein an interval between the binding position of the second binding section and folding section is set smaller than an interval between the binding position of the first binding section and folding section.