Patent ID: 6305681
Filing Date: 2001-10-23
Classification: B42C,B65H

Abstract:
A sheet processing apparatus comprising:a sheet conveying path configured to receive a sheet conveyed from the outside and conveying the sheet therethrough to be discharged;a stack tray configured to stack a plurality of the conveyed sheets for stapling;a stapler configured to staple a plurality of the sheets stacked on said stack tray;an output tray configured to receive the discharged sheets;said sheet conveying path including (1) a first conveying path configured to guide the conveyed sheet to said stack tray for stapling and (2) a second conveying path that is substantially parallel to the first conveying path and is configured to guide the conveyed sheet to said output tray bypassing said stack tray;a discharging member configured to discharge the conveyed sheet or sheets guided by said first conveying path or second conveying path;a discharging member switching device configured to selectively switch said discharging member to a closed condition for discharging the sheet or sheets by sandwiching the sheets; anda controller configured to control said discharging member switching device to switch said discharging member to an open condition before a tip end of the sheet being conveyed through the first conveying path reaches said discharging member.