| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet post-treatment device capable of accomplishing miniaturization by shortening a conveying route. SOLUTION: The sheet post-treatment device is provided with a treatment tray 25; a stand-by tray 40 having a pair of tray members 46; a tray drive mechanism 41; a roller mechanism; an assist arm 43; and an arm drive mechanism 45. The pair of tray member 46 is moved in a width direction over a first position for placing the sheet and a second position where the sheet on the tray member is dropped off on the treatment tray 25 from between the tray members. The assist arm 43 is arranged at a position corresponding to both ends in a width direction of the sheet, is turned and ascended when the sheet is fed onto the stand-by tray 40 and is turned and descended in such a state that the sheet is fed onto the stand-by tray 40. Thereby, a rear end of the sheet is pressed in the treatment tray 25 direction when the tray member 46 is moved from the first position to the second position. COPYRIGHT: (C)2007,JPO&INPIT
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