Electrophotographic image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsHiromi Sakurai, Tomio Noguchi, Chikara Imaizumi, Takeo Kawanami
Life of this patent
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Abstract
An electrophotographic image forming apparatus includes a process cartridge which is mounted on a pull-out type cartridge tray to enable front access. The electrophotographic image forming apparatus includes an urging unit for urging and moving the cartridge tray toward a front of a main assembly of the apparatus and a clocking member for locking the cartridge tray in a proper position so that the cartridge tray is returned back to an outside position of the apparatus when the cartridge tray is pushed to the proper position.
Claims37
An electrophotographic image forming apparatus comprising:
- a cartridge including a developer accommodating portion for accommodating portion configured to accommodate a developer;
- a tray movable between a pull-out position in which said tray is outside of a main assembly of said apparatus and a push-in position in which said tray is inside of the main assembly of said apparatus, said tray including a mounting portion configured and positioned to detachably mount said cartridge in the pull-out position and a manual operating portion for facilitating pulling-out of said tray;
- an urging member configured and positioned to urge said tray from the push-in position toward the pull-out position;
- a regulating member configured and positioned to regulate movement of said tray toward the pull-out position when said tray is located in the push-in position;
- and
- a releasing portion configured and positioned to release regulation by said regulating member by operation of said manual operating portion in a state in which said tray is located in the push-in position,
- wherein said tray is moved toward the pull-out position by said urging member when the regulation by said regulating member is released.
An electrophotographic image forming apparatus comprising:
- a cartridge including a developer accommodating portion configured to accommodate a developer;
- a tray movable between a pull-out position in which said tray is outside of a main assembly of said apparatus and a push-in position in which said tray is inside of the main assembly of said apparatus, said tray including a mounting portion configured and positioned to detachably mount said cartridge in the pull-out position;
- an urging member configured and positioned to urge said tray from the push-in position toward the pull-out position;
- and
- a regulating member configured and positioned to regulate movement of said tray toward the pull-out position when said tray is located in the push-in position;
- and
- wherein said tray is moved toward the pull-out position by being urged toward the pull-out position by said urging member when said tray is located in a predetermined position, out of the push-in position, between the push-in position and the pull-out position.
Dependencies are inferred from the claim text.