| 摘要 |
PROBLEM TO BE SOLVED: To surely prevent punch chips from splashing in a device. SOLUTION: The post-processing device 10 comprises: a punching unit 20 boring a binding hole P2 to sheets transferred from an image formation device 19; and a punch chip recovery container 80 recovering punch chips P3 generated in a processing for boring sheets P, and is provided with a mounting structure for detachably mounting the punch chip recovery container 80 to the punching unit 20. This mounting structure comprises: a top opening 83 provided on the punch chip recovery container 80 side and receiving the punch chips P3; a funnel container 60 provided on the punching unit 20 side into which the top opening 83 is outwardly fitted in a sliding state; and a guide projection bar 64 provided in the outer periphery of the funnel container 60, in which the top opening 83 is fitted from an indented notch 808 on a rear end of the punch chip recovery container 80. A film 84 as a shielding member for closing the top opening 83 is provided on the top opening 83. COPYRIGHT: (C)2007,JPO&INPIT
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