Cartridge, photosensitive member unit and electrophotographic image forming apparatus

A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the cartridge comprising:

• i) a rotatable member capable of carrying developer, the rotatable member being rotatable about a rotational axis thereof;
• and
• ii) a coupling member provided at one end portion of the cartridge with respect to a rotational axis direction of the rotatable member, the coupling member including at least one projection and being configured to transmit a rotational force to the rotatable member;
• iii) a rotational force transmission member for transmitting the rotational force from the coupling member toward the rotatable member, the rotational force transmission member including a hollow portion;
• iv) a holding member holding the coupling member;
• and
• v) two pins supporting the holding member, each of the two pins including a shaft portion elongated in a direction substantially perpendicular to the rotational axis of the rotatable member and the two pins being disposed substantially parallel to each other,
• wherein the coupling member is movable between a first position in which a rotational axis of the coupling member is substantially parallel to the rotational axis of the rotatable member, and a second position in which a tip of the projection of the coupling member is displaced from the first position at least in the direction of the rotational axis of the rotatable member toward the other end portion of the cartridge.

A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the cartridge comprising:

• i) a rotatable member capable of carrying developer, the rotatable member being rotatable about a rotational axis thereof;
• and
• ii) a coupling member provided at one end portion of the cartridge with respect to a rotational axis direction of the rotatable member, the coupling member including at least one projection and being configured to transmit a rotational force to the rotatable member;
• iii) a rotational force transmission member for transmitting the rotational force from the coupling member toward the rotatable member, the rotational force transmission member including a hollow portion,
• iv) a holding member holding the coupling member;
• and
• v) two pins supporting the holding member, each of the two pins including a shaft portion elongated in a direction substantially perpendicular to the rotational axis of the rotatable member and the two pins being disposed substantially parallel to each other,
• wherein the coupling member is movable between a first position in which a rotational axis of the coupling member is substantially parallel to the rotational axis of the rotatable member, and a second position in which the coupling member is displaced from the first position in the direction of the rotational axis of the rotatable member toward an other end portion of the cartridge, and
• wherein, in the second position the rotational axis of the coupling member is substantially parallel to the rotational axis of the rotatable member and the coupling member is displaced from the first position in the direction substantially perpendicular to the rotational axis of the rotatable member.

A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the cartridge comprising:

• i) a roller capable of carrying developer, the roller being rotatable about a rotational axis thereof;
• and
• ii) a coupling member provided at one end portion of the cartridge with respect to a rotational axis direction of the roller, the coupling member including at least one projection and being configured to transmit a rotational force to the roller;
• iii) a gear for transmitting the rotational force from the coupling member toward the roller, the gear including a hollow portion;
• iv) a holder holding the coupling member;
• and
• v) two pins supporting the holder, each of the two pins including a shaft portion elongated in a direction substantially perpendicular to the rotational axis of the roller and the two pins being disposed substantially parallel to each other,
• wherein the coupling member is movable between a first position in which a rotational axis of the coupling member is substantially parallel to the rotational axis of the roller, and a second position in which a tip of the projection of the coupling member is displaced from the first position at least in the direction of the rotational axis of the roller toward the other end portion of the cartridge.

A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the cartridge comprising:

• i) a roller capable of carrying developer, the roller being rotatable about a rotational axis thereof;
• ii) a coupling member provided at one end portion of the cartridge with respect to a rotational axis direction of the roller, the coupling member including at least one projection and being configured to transmit a rotational force to the roller;
• iii) a gear for transmitting the rotational force from the coupling member toward the roller, the gear including a hollow portion,
• iv) a holder holding the coupling member;
• and
• v) two pins supporting the holder, each of the two pins including a shaft portion elongated in a direction substantially perpendicular to the rotational axis of the roller and the two pins being disposed substantially parallel to each other,
• wherein the coupling member is movable between a first position in which a rotational axis of the coupling member is substantially parallel to the rotational axis of the roller, and a second position in which the coupling member is displaced from the first position in the direction of the rotational axis of the roller toward an other end portion of the cartridge, and
• wherein, in the second position, the rotational axis of the coupling member is substantially parallel to the rotational axis of the roller and the coupling member is displaced from the first position in the direction substantially perpendicular to the rotational axis of the roller.