Sheet processing apparatus for storing supplied sheets while...

Sheet-material associating – Associating or disassociating – Sheet associating

Reexamination Certificate

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Details

C270S058010, C270S059000, C270S058080, C270S058090, C270S058120, C270S058140, C270S058160, C270S058170, C270S058180, C270S058270, C399S410000, C271S189000

Reexamination Certificate

active

10789985

ABSTRACT:
A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller which convey the sheet stacked on the processing tray to bring the sheet into abutment against a stopper for receiving the upstream edge of the sheet. The buffer unit is adapted to align the upstream edges of only sheets to be stored before a sheet to be supplied last among the sheets to be stored.

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