| 摘要 |
A sheet post-processing apparatus ( 1 ) includes a first stapler ( 4 ) and a second stapler ( 5 ) for stapling the stack of sheets on a stack tray ( 61 ), a first moving frame member ( 10 ) on which the first stapler ( 4 ) is mounted rotatably, a second moving frame member ( 11 ) on which the second stapler ( 5 ) is mounted, a rotating member ( 20 ) rotatably mounted on the first moving frame member ( 10 ), the rotating member ( 20 ) so held in engagement with the first moving frame member ( 10 ) as to move linearly the first moving frame member ( 10 ) by rotation of the rotating member ( 20 ), and also rotating the first stapler ( 4 ) by rotation of the rotating member ( 20 ), and a single drive power source ( 16 ) for driving the rotating member ( 20 ).
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