Patent attributes
A sheet collecting device includes a tray on which sheets are placed, a sheet discharging roller for transferring sheets to the tray, an abutment regulating device for regulating a leading end and a trailing end of the sheets on the stacking tray in a conveying direction, and an aligning device for aligning the sheets relative to the abutment regulating device. The stacking tray includes a tray base supported by an apparatus frame and a plate member disposed on the tray base for placing and supporting at least some of the sheets. The plate member is supported on a top surface of the tray base so as to be movable toward an abutment regulating member. A biasing device is provided between the plate member and the tray base to bias the plate member toward the abutment regulating member.
