Patent ID: 9682841
Date: 2017-06-20
CPC Classifications: B65H

Claim:
1. A sheet folding apparatus which performs a first folding and a second folding after the first folding on one sheet or a plurality of pages of sheets, the sheet folding apparatus comprising: a first roller which is one of rollers that form a first nip which performs the first folding; a second roller which, with the first roller, forms the first nip; a third roller which, with the second roller, forms a second nip which performs the second folding; a roller drive unit which operates the first roller, the second roller, and the third roller; a first pushing member which pushes a sheet in the first nip; a first push drive unit which operates the first pushing member; a second pushing member which pushes the sheet in the second nip; a second push drive unit which operates the second pushing member; and a control unit which controls the roller drive unit, the first push drive unit, and the second push drive unit, wherein the control unit executes: