Patent ID: 11874625
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. A developing cartridge configured to be detachably mounted to a main body of an image forming apparatus, the main body including a pressing member, the developing cartridge comprising:
a developing roller configured to contact a photosensitive drum, the developing roller being rotatable about a rotational axis of the developing roller;
a developing frame provided with a toner accommodating chamber, the developing frame including a first end portion with respect to a direction of the rotational axis of the developing roller, and a second end portion that is opposite to the first end portion with respect to the direction of the rotational axis of the developing roller;
a pressed member;
a spring urging the pressed member;
a member provided at the first end portion, the member provided with an opening;
a developing coupling provided at the first end portion, the developing coupling being configured to receive a driving force from the main body; and
a gear provided at the second end portion and a rotator to which the gear is attached, the rotator being configured to transmit the driving force from the coupling to the gear,
wherein, in a state where the developing cartridge is detached from the main body, at least part of the pressed member is exposed from the opening, and
wherein, in a state where the developing cartridge is mounted to the main body, the pressing member presses the pressed member such that the spring is compressed.