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US 7,547,009 B2Granted
Sheet processing apparatus and image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsKenichirou Isobe, Junichi Sekiyama, Hiroharu Tsuji, Naonori Kayama
Life of this patent
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Abstract
So as to more effectively prevent each sheet from being caught, a guide member is provided in a region that extends from an intermediate stacking portion to a staple cartridge portion across a stapler portion main body in a binding portion that performs a binding operation on sheets.
Claims11
A sheet processing apparatus comprising:
- a sheet stacking portion on which a sheet is stacked;
- a sheet binding portion which performs a binding operation by thrusting a staple, at a staple thrusting position, into the sheets stacked on said sheet stacking portion;
- a guide member which guides the sheet to be bound to the sheet binding portion, said guide member provided between the sheet stacking portion and the sheet binding portion;
- and
- a sheet discharge unit which conveys the sheets bound by the sheet binding portion,
- wherein the guide member is provided on an upstream side of the staple thrusting position in a sheet discharging direction of the sheet discharge unit.
3 more elements
Dependencies are inferred from the claim text.