Image forming apparatus, process cartridge, and apparatus main body for image forming apparatus

A process cartridge attachable to and detachable from an apparatus main body of an image forming apparatus, the process cartridge comprising:

• a first frame that supports an image bearing member for bearing a developer image;
• a second frame that supports a developer bearing member for supplying developer to the image bearing member and that is connected to the first frame to be rotatable with respect to the first frame;
• and
• a portion-to-be-contacted that is provided at one of the first frame and the second frame, wherein the process cartridge is configured such that the image bearing member and the developer bearing member can come into contact with each other and be separated from each other,
• wherein the process cartridge is mounted on the apparatus main body by insertion from an insertion port that (i) is provided at the apparatus main body, (ii) blocks the passage of the process cartridge when the image bearing member and the developer bearing member are separated from each other, and (iii) allows the process cartridge to pass when the image bearing member and the developer bearing member are in contact with each other,
• wherein the other one of the first frame and the second frame is guided by a guide provided at the apparatus main body when the process cartridge is inserted into the insertion port.

An apparatus main body of an image forming apparatus, the apparatus main body being configured such that a process cartridge can be attached to and detached from the apparatus main body, the process cartridge having a configuration in which a first frame that supports an image bearing member for bearing a developer image and a second frame that supports a developer bearing member for supplying developer to the image bearing member are supported rotatably and the image bearing member and the developer bearing member can be brought into contact with each other and separated from each other, the apparatus main body comprising:

• an insertion port that blocks the passage of the process cartridge when the image bearing member and the developer bearing member are separated from each other and allows the process cartridge to pass when the image bearing member and the developer bearing member are in contact with each other;
• a guide that guides one of the first frame and the second frame when the process cartridge is inserted into the insertion port;
• and
• a contact portion that separates the image bearing member and the developer bearing member from each other by contact with a portion-to-be-contacted provided at the other of the first frame and the second frame when the process cartridge is further inserted after the other of the first frame and the second frame has passed through the insertion port.