Abstract: A device for transmitting a rotational force to an electrophotographic photosensitive drum includes a pin supported by a flange, with the pin being configured to transmit the rotational force to the flange. The device also includes a coupling member having a rotational axis, the coupling member including (i) a first end portion operatively connected to the flange, (ii) a second end portion including at least one projection, and (iii) a connecting portion connecting the first end portion and the second end portion, with the first end portion including a through-hole portion. The pin penetrates the through-hole portion and is capable of receiving the rotational force from the coupling member, and the coupling member is movable with respect to the pin between a first position in which the rotational axis of the coupling member is coaxial with an axis of the flange, and a second position in which the rotational axis of the coupling member is inclined with respect to the axis of the flange.

Abstract: An image forming apparatus cartridge includes a rotatable member rotatably supported in a casing to permit rotation about an axis of the rotatable member, a developer roller rotatably supported in the casing to permit rotation about an axis L1, and a coupling member having an axis L2 about which the coupling member is rotatable and a free end portion for receiving a rotational force. The free end portion of the coupling includes at least two projections that are positioned at least partially outside of the casing, with each of the at least two projections being open to the axis L2. The coupling member is operatively connected to the rotatable member and the developer roller in order to transmit the rotational force to the rotatable member and the developer roller.

Abstract: A process cartridge, a combination of a process cartridge and a drive shaft of an electrophotographic image forming apparatus, and a method of mounting and using a process cartridge in an electrophotographic image forming apparatus include a feature wherein a coupling member of the process cartridge can take different angular positions relative to the drive shaft's fixed axis of rotation. In one position, an axis of the coupling member is inclined relative to the drive shaft's fixed axis of rotation. In a second position, the axis of the coupling member is substantially coaxial with the drive shaft's fixed axis of rotation.

Abstract: A cartridge for use with a main assembly of an electrophotographic image forming apparatus, the main assembly including a driving shaft having a rotational force applying portion, wherein the cartridge is dismountable from the main assembly in a direction substantially perpendicular to an axial direction of the driving shaft, the cartridge including i) a developing roller for developing an electrostatic latent image formed on an electrophotographic photosensitive drum, the developing roller being rotatable about an axis thereof; and ii) a coupling member engageable with the rotational force applying portion to receive a rotational force for rotating the developing roller, the coupling member being capable of taking a rotational force transmitting angular position for transmitting the rotational force for rotating the developing roller to the developing roller and a disengaging angular position in which the coupling member is inclined away from the rotational force transmitting angular position, wherein when t

Abstract: A cartridge includes a coupling member for receiving a rotational force for rotating a developing roller. The cartridge also includes a cylinder including an accommodating portion accommodating at least a part of the coupling member, the cylinder being configured to transmit the rotational force from the coupling member to the developing roller. The cartridge further includes a frame including a bearing configured to rotatably support the cylinder and a regulating wall capable of regulating movement of the coupling member by contacting the coupling member. The bearing encompasses the regulating wall as seen along a rotational axis of the cylinder.

Abstract: A process cartridge, a combination of a process cartridge and a drive shaft of an electrophotographic image forming apparatus, and a method of mounting and using a process cartridge in an electrophotographic image forming apparatus include a feature wherein a coupling member of the process cartridge can take different angular positions relative to the drive shaft's fixed axis of rotation. In one position, an axis of the coupling member is inclined relative to the drive shaft's fixed axis of rotation. In a second position, the axis of the coupling member is substantially coaxial with the drive shaft's fixed axis of rotation.

Abstract: A developing device usable with an electrophotographic image forming apparatus, the apparatus including a driving shaft rotatable by a motor and having a rotating force applying portion, and a movable member, the developing device being mountable to the movable member, and the developing device being movable in a direction substantially perpendicular to an axial direction of the driving shaft in response to movement of the movable member in one direction with the developing device mounted to the movable member, the developing device includes i) a developing roller for developing an electrostatic latent image formed on an electrophotographic photosensitive drum, the developing roller being rotatable about an axis; and ii) a coupling member for transmitting a rotating force to the developing roller, the coupling member including, a rotating force receiving portion engageable with the rotating force applying portion to receive a rotating force from the driving shaft, and a rotating force transmitting portion for

Abstract: A process cartridge, combination of a process cartridge and a drive shaft of an electrophotographic image forming apparatus, and a method of mounting and using a process cartridge in an electrophotographic image forming apparatus include a feature that a coupling member of the process cartridge can take different angular positions relative to the fixed axis of rotation of the drive shaft. In one position, the axis of the coupling member is inclined relative to the drive shaft's fixed axis of rotation. In another position, the axis of the coupling member is substantially coaxial with the drive shaft's fixed axis of rotation.

Abstract: A cartridge for use with a main assembly of an electrophotographic image forming apparatus, the main assembly including a driving shaft having a rotational force applying portion, wherein the cartridge is dismountable from the main assembly in a direction substantially perpendicular to an axial direction of the driving shaft, the cartridge including i) a developing roller for developing an electrostatic latent image formed on an electrophotographic photosensitive drum, the developing roller being rotatable about an axis thereof; and ii) a coupling member engageable with the rotational force applying portion to receive a rotational force for rotating the developing roller, the coupling member being capable of taking a rotational force transmitting angular position for transmitting the rotational force for rotating the developing roller to the developing roller and a disengaging angular position in which the coupling member is inclined away from the rotational force transmitting angular position, wherein when t

Abstract: An image forming apparatus includes a process cartridge. The process cartridge includes a coupling member having a first end portion, a second end portion, and a connecting portion connecting the first end portion and the second end portion. The second end portion of the coupling member includes at least one pair of projections, with each of the projections includinga facing portion that faces the axis L2, each facing portion being open to the axis L2. A maximum dimension in a direction perpendicular to the axis L2 of at least a part of the connecting portion is smaller than a diameter of an imaginary circle that is tangent to the facing portions of the projections.

Abstract: A cartridge includes a rotatable member, a coupling member for receiving a rotational force for rotating the rotatable member, and a cylindrical member movably supporting one end portion of the coupling member. A first regulating portion is provided inside of the cylindrical member for preventing the end portion of the coupling member from disengaging in an axial direction of the cylindrical member, with the first regulating portion being capable of deformation to allow the one end portion of the coupling member to disengage in the axial direction of the cylindrical member. A second regulating portion is provided for regulating the deformation of the first regulating portion in a state in which the end portion of the coupling member is mounted to the inside of the cylindrical member.

Abstract: A process cartridge includes a casing and developer contained within the casing. The process cartridge also includes a photosensitive drum having an axis L1, with the photosensitive drum being rotatably supported in the casing to permit rotation about the axis L1, and a developing roller having an axis L1?, with the developing roller being configured to develop a latent image formed on the photosensitive drum with the developer, and with the developing roller being rotatably supported in the casing to permit rotation about the axis L1?. A coupling member is operatively connected to the photosensitive drum, the coupling member including a body having an axis L2, and the coupling member including at least one projection provided at an end of the body.

Abstract: A process cartridge includes a photosensitive drum and a coupling member operatively connected to the photosensitive drum. The coupling member is movable between a position in which an axis of the coupling member is substantially coaxial with an axis of the photosensitive drum and a position in which the axis of the coupling member is not substantially coaxial with the axis of the photosensitive drum.

Abstract: A developing device that is useable with an electrophotographic image forming apparatus includes a developing roller for developing an electrostatic latent image formed on an electrophotographic photosensitive drum. The developing device also includes a coupling member for transmitting a rotating force to the developing roller.

Abstract: A device for transmitting a rotational force to an electrophotographic photosensitive drum includes a pin supported by a flange, with the pin being configured to transmit the rotational force to the flange. The device also includes a coupling member having a rotational axis, the coupling member including (i) a first end portion operatively connected to the flange, (ii) a second end portion including at least one projection, and (iii) a connecting portion connecting the first end portion and the second end portion, with the first end portion including a through-hole portion. The pin penetrates the through-hole portion and is capable of receiving the rotational force from the coupling member, and the coupling member is movable with respect to the pin between a first position in which the rotational axis of the coupling member is coaxial with an axis of the flange, and a second position in which the rotational axis of the coupling member is inclined with respect to the axis of the flange.

Abstract: A rotating force transmitting part for an electrophotographic photosensitive drum for a main assembly of the electrophotographic image forming apparatus, wherein the main assembly of the electrophotographic image forming apparatus includes a driving shaft, to be driven by a motor, having the rotating force applying portion, and wherein the electrophotographic photosensitive drum is dismountable from the main assembly of the electrophotographic image forming apparatus in a direction substantial perpendicular with an axial direction of the driving shaft, the rotating force transmitting part includes a coupling member engageable with the rotational force applying portion to receive a rotational force for rotating the electrophotographic photosensitive drum in the state in which electrophotographic photosensitive drum is mounted to the main assembly of the electrophotographic image forming apparatus, wherein the coupling member being capable of taking a rotational force transmitting angular position for transmitt

Abstract: A process cartridge, a combination of a process cartridge and a drive shaft of an electrophotographic image forming apparatus, and a method of mounting and using a process cartridge in an electrophotographic image forming apparatus include a feature wherein a coupling member of the process cartridge can take different angular positions relative to the drive shaft's fixed axis of rotation. In one position, an axis of the coupling member is inclined relative to the drive shaft's fixed axis of rotation. In a second position, the axis of the coupling member is substantially coaxial with the drive shaft's fixed axis of rotation.

Abstract: A process cartridge, combination of a process cartridge and a drive shaft of an electrophotographic image forming apparatus, and a method of mounting and using a process cartridge in an electrophotographic image forming apparatus include a feature that a coupling member of the process cartridge can take different angular positions relative to the fixed axis of rotation of the drive shaft. In one position, the axis of the coupling member is inclined relative to the drive shaft's fixed axis of rotation. In another position, the axis of the coupling member is substantially coaxial with the drive shaft's fixed axis of rotation.

Abstract: A process cartridge includes a photosensitive drum and a coupling member operatively connected to the photosensitive drum. The coupling member is movable between a position in which an axis of the coupling member is substantially coaxial with an axis of the photosensitive drum and a position in which the axis of the coupling member is not substantially coaxial with the axis of the photosensitive drum.

Abstract: A cartridge includes a rotatable member, a coupling member for receiving a rotational force for rotating the rotatable member, and a cylindrical member movably supporting one end portion of the coupling member. A first regulating portion is provided inside of the cylindrical member for preventing the end portion of the coupling member from disengaging in an axial direction of the cylindrical member, with the first regulating portion being capable of deformation to allow the one end portion of the coupling member to disengage in the axial direction of the cylindrical member. A second regulating portion is provided for regulating the deformation of the first regulating portion in a state in which the end portion of the coupling member is mounted to the inside of the cylindrical member.