Patent ID: 9340390
Filing Date: 2016-05-17
CPC Classification: B65H

Claim Text:
1. A sheet processing apparatus comprising: a vertically movable tray that moves vertically in accordance with an amount of stacked folded sheets which are transported and stacked thereon; a plate that is disposed above the vertically movable tray and that does not move in accordance with transport of a folded sheet; a recognizing unit that recognizes a predetermined height state of a sheet stacked on the vertically movable tray; and a controller that controls the vertically movable tray so as to, in response to a recognition of the predetermined height state of the sheet by the recognizing unit, move the vertically movable tray upward, press the sheet stacked on the vertically movable tray against the plate, and subsequently move the vertically movable tray downward, wherein the plate does not move during a period spanning from when the folded sheet is transported to the vertically movable tray to when the sheet stacked on the vertically movable tray is pressed against the plate.