| 摘要 |
<p>PURPOSE:To provide a sheet carrying device and an image forming device in which the curl of a sheet is corrected without damaging the sheet to surely carry the sheet by setting at least one of a plurality of first rollers to have a different diameter from the other, and setting each of a plurality of second rollers to have a diameter making contact with each of the first rollers. CONSTITUTION:A carrying lower driving roller 25b is formed with an outer diameter larger than that of a carrying lower driven roller 24b. The outer diameters of carrying upper rollers 24a, 25a are determined in such a manner that these rollers can be pressed onto the corresponding carrying lower rollers 24b, 25b, respectively. A sheet P fed into a carrying part is carried by the carrying force by the roller pair 25a, 25b, and the driven roller pair 24a, 24b are rotated according to the carrying of the sheet. The sheet is carried in the state where the whole sheet is curved to the carrying direction of the sheet, and never damaged even in case of sheet form. Therefore, the curl of the top end causing a jam when the sheet is housed in a middle tray is prevented, and the sheet is surely carried.</p> |
