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US 6,661,995 B2Granted
Sheet processing apparatus and image forming apparatus provided with the same
AssigneeCanon Kabushiki Kaisha
InventorsKenichiro Isobe, Yasuyoshi Hayakawa, Takashi Kuwata, Masayoshi Fukatsu, Junichi Sekiyama
Life of this patent
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Abstract
A cover for forming an outer appearance of a stapler unit for performing a stapling process to a sheet bundle serves also as a part of an outer shell of an apparatus body, and the stapler unit is provided selectively to the apparatus body movably between a position for stapling the sheet bundle and a position for replacing staple cartridges, to thereby make it possible to readily perform a jam process or staple replacement.
Claims14
A sheet processing apparatus provided with a stapler for performing a stapling process on a sheet bundle,
- said stapler comprising a detachably mountable staple cartridge, and a cover that forms an outer appearance of said stapler and serves also as an outer shell of said sheet processing apparatus, said stapler being provided in an apparatus body and being selectively movably between a stapling position for stapling the sheet bundle and a position for replacing the staple cartridge,
- wherein said stapler is detachably mounted on said apparatus body and provided movably to a position where said stapler is removable;
- and
- holding means provided in said stapler for holding said stapler detachably to said apparatus body,
- wherein said holding means is in the condition that said stapler may be removed from the apparatus body when said stapler is moved to the position where said stapler is removable, and
- wherein said holding means is a shaft member that is engaged elastically with said apparatus body for holding said stapler and that, when said holding means is moved to the position where said stapler is removable;
- said holding means is operable to release the elastic engagement with said apparatus body and to move to the position where the stapler is removable.
4 more elements
Dependencies are inferred from the claim text.