JP2007241111A5 - - Google Patents

Claims (9)

In the sheet discharge device that discharges and stacks sheets to the stacking unit,
Cooling means for sending cooling air for cooling the sheets from the upper surface side of the sheets stacked on the stacking unit;
A discharge assisting means for pressing a discharged sheet toward the stacking unit and guiding cooling air ejected by the cooling unit to an upper surface of the sheet stacked on the stacking unit. .   The discharge assisting means includes a first position for guiding the cooling air to the central portion of the sheet when the sheet is not discharged, and a second position for guiding the cooling air to the outside as it is when the sheet is discharged. The sheet discharging apparatus according to claim 1, wherein the sheet discharging apparatus can be rotated to the position of the sheet.   The sheet discharge apparatus according to claim 1, wherein the discharge assisting unit is formed of a sheet-like member having a flat surface for guiding cooling air.   The sheet discharging apparatus according to claim 1, wherein the cooling unit sends cooling air in a sheet take-out direction. A discharge roller for discharging the sheet to the stacking section through a discharge port;
The discharge assisting means is provided so as to be rotatable around a rotation shaft provided at an upper part of the discharge port,
The cooling air ejected by the cooling means is ejected from above the discharge assisting means,
The discharge assisting unit presses the sheet discharged by the discharge roller toward the stacking unit,
5. The discharge assisting unit guides the cooling air ejected by the cooling unit on a surface opposite to the stacking unit to an upper surface of a sheet stacked on the stacking unit. 6. The sheet discharging apparatus according to the item. The discharge assisting means is pushed and rotated by the sheet being discharged by the discharge roller,
In a state where the sheet is not discharged by the discharge roller, the discharge assisting unit guides the cooling air ejected by the cooling unit on the surface opposite to the stacking unit to the upper surface of the sheet stacked on the stacking unit. In the state where the sheet is being discharged by the discharge roller, the discharge assisting means is rotated by being pushed by the sheet, and the cooling air ejected by the cooling means on the opposite surface is removed from the machine. The sheet discharging apparatus according to claim 5, wherein the sheet discharging apparatus is located at a position where the sheet is discharged.   The sheet discharge apparatus according to any one of claims 1 to 6, wherein the discharge assisting means is provided at intervals on both sides in the sheet width direction.   An image forming apparatus comprising: an image forming unit that forms an image on a sheet; and the sheet discharge device according to claim 1 that discharges the sheet on which the image is formed.   A reader for reading image information of a document; an image forming unit which is disposed with a space below the reader and forms an image on a sheet based on the read image information; and a sheet on which the image is formed An image forming apparatus comprising: the sheet discharging apparatus according to claim 1, wherein the sheet discharging apparatus discharges to the stacking section provided in a space between the image forming section and the image forming section.