| 摘要 |
PURPOSE:To enable the compactification of the construction in an upsetting part for double-face copying by forming the guiding member of said part to a spiral shape. CONSTITUTION:A change-over pawl 16 is changed over to the position shown by a solid line and copying paper is conveyed toward a forward and backward revolving roller 20 and a driven roller 21 making a pair therewith as shown by an arrow A6 in the stage of double-face copying. The roller 20 rotates forward in the direction of an arrow B and the paper is conveyed to a guiding member 22 of an upsetting device. The member 22 consists of a spirally formed plate piece, and the paper fed into such member 22 is guided by the spiral guiding surface as shown by an arrow A7, by which the paper is fed to the member 22 while the paper is curved. When the rear end of the paper is detached from part rollers 14, 15, the roller 20 rotates backward then the paper is delivered from the member 22 by the rollers 21, 20 and is fed onto an intermediate tray 25 by the rollers 15, 23, 24. The paper is again fed from there for the purpose of copying on double sides. |
