Abstract: A developing cartridge may include: a developing roller rotatable about a first axis extending in a predetermined direction, the developing roller including a developing roller section; a first shaft; and a second shaft including: a first circumferential surface having a first diameter, a second circumferential surface having a second diameter which is smaller than the first diameter, and a third circumferential surface having a third diameter which is smaller than the second diameter, a bearing having a first hole; a developing roller gear having a second hole, the developing roller gear mounted to the second circumferential surface, and the developing roller gear rotatable with the second shaft, wherein an addendum circle is smaller than a diameter of the developing roller section; and a regulating member, having a third hole located on an opposite side of the bearing, and the regulating member regulates a position of the developing roller gear.

Abstract: A cartridge includes: a rotation body; and an electrode member. The electrode member is configured to supply the rotation body with electric power from an external electrode provided outside of the cartridge. The electrode member includes: a contact portion; and an urging portion. The contact portion is configured to be contacted by the external electrode. The urging portion is in a shape of a coil formed by winding a wire rod and configured to urge the contact portion toward the external electrode such that the contact portion is pivotally moved about the urging portion.

Abstract: A cartridge includes: a rotation body; and an electrode member. The electrode member is configured to supply the rotation body with electric power from an external electrode provided outside of the cartridge. The electrode member includes: a contact portion; and an urging portion. The contact portion is configured to be contacted by the external electrode. The urging portion is in a shape of a coil formed by winding a wire rod and configured to urge the contact portion toward the external electrode such that the contact portion is pivotally moved about the urging portion.

Abstract: A developing cartridge may include: a developing roller rotatable about a first axis extending in a predetermined direction, the developing roller including a developing roller section; a first shaft; and a second shaft including: a first circumferential surface having a first diameter, a second circumferential surface having a second diameter which is smaller than the first diameter, and a third circumferential surface having a third diameter which is smaller than the second diameter, a bearing having a first hole; a developing roller gear having a second hole, the developing roller gear mounted to the second circumferential surface, and the developing roller gear rotatable with the second shaft, wherein an addendum circle is smaller than a diameter of the developing roller section; and a regulating member, having a third hole located on an opposite side of the bearing, and the regulating member regulates a position of the developing roller gear.

Abstract: A cartridge includes: a rotation body; and an electrode member. The electrode member is configured to supply the rotation body with electric power from an external electrode provided outside of the cartridge. The electrode member includes: a contact portion; and an urging portion. The contact portion is configured to be contacted by the external electrode. The urging portion is in a shape of a coil formed by winding a wire rod and configured to urge the contact portion toward the external electrode such that the contact portion is pivotally moved about the urging portion.

Abstract: A process cartridge includes: a first unit including a first side plate, a second side plate and a photosensitive drum; and a second unit including a developing member and an electrical terminal for supplying power to the developing member. The second unit is pivotally movable relative to the first unit about a pivot axis between a first position and a second position. The electrical terminal is rotatably supported by the first side plate and is positioned on the pivot axis.

Abstract: A process cartridge includes: a first unit including a first side plate, a second side plate and a photosensitive drum; and a second unit including a developing member and an electrical terminal for supplying power to the developing member. The second unit is pivotally movable relative to the first unit about a pivot axis between a first position and a second position. The electrical terminal is rotatably supported by the first side plate and is positioned on the pivot axis.

Abstract: An image forming apparatus may include: a process cartridge, an apparatus body and a spacing member. The process cartridge may be detachably mountable to the apparatus body and include a photosensitive unit having a photosensitive member, a developing unit having a developing roller, and a driving input part into which a driving force from the apparatus body is configured to be inputted. The apparatus body may include a driving input member which is configured to input the driving force. Additionally or alternatively, the spacing member may be attached to the process cartridge and configured to space the photosensitive member and the developing roller. The spacing member may include a first cover part which is located between the driving input part and the driving input member and covers at least a portion of the driving input part.

Abstract: A process cartridge includes: a photoconductor having a peripheral surface; a first roller having a peripheral surface to be pressed against the peripheral surface of the photoconductor and configured to rotate around a first axis of rotation; a second roller having a peripheral surface to be pressed against the peripheral surface of the first roller and configured to rotate around a second axis of rotation which is parallel to the first axis of rotation; a first urging member configured to urge the first roller and the second roller in a first direction toward the photoconductor; and a second urging member configured to urge the second roller in a second direction toward the first roller. The second urging member is arranged such that the second direction is parallel to the first direction.

Abstract: An image forming apparatus may include: a process cartridge, an apparatus body and a spacing member. The process cartridge may be detachably mountable to the apparatus body and include a photosensitive unit having a photosensitive member, a developing unit having a developing roller, and a driving input part into which a driving force from the apparatus body is configured to be inputted. The apparatus body may include a driving input member which is configured to input the driving force. Additionally or alternatively, the spacing member may be attached to the process cartridge and configured to space the photosensitive member and the developing roller. The spacing member may include a first cover part which is located between the driving input part and the driving input member and covers at least a portion of the driving input part.

Abstract: An image forming apparatus may include: a process cartridge, an apparatus body and a spacing member. The process cartridge may be detachably mountable to the apparatus body and include a photosensitive unit having a photosensitive member, a developing unit having a developing roller, and a driving input part into which a driving force from the apparatus body is configured to be inputted. The apparatus body may include a driving input member which is configured to input the driving force. Additionally or alternatively, the spacing member may be attached to the process cartridge and configured to space the photosensitive member and the developing roller. The spacing member may include a first cover part which is located between the driving input part and the driving input member and covers at least a portion of the driving input part.

Abstract: An image forming apparatus may include: a process cartridge, an apparatus body and a spacing member. The process cartridge may be detachably mountable to the apparatus body and include a photosensitive unit having a photosensitive member, a developing unit having a developing roller, and a driving input part into which a driving force from the apparatus body is configured to be inputted. The apparatus body may include a driving input member which is configured to input the driving force. Additionally or alternatively, the spacing member may be attached to the process cartridge and configured to space the photosensitive member and the developing roller. The spacing member may include a first cover part which is located between the driving input part and the driving input member and covers at least a portion of the driving input part.

Abstract: A cartridge includes: a rotation body; and an electrode member. The electrode member is configured to supply the rotation body with electric power from an external electrode provided outside of the cartridge. The electrode member includes: a contact portion; and an urging portion. The contact portion is configured to be contacted with the external electrode. The urging portion is in a shape of a coil formed by winding a wire rod and configured to urge the contact portion toward the external electrode such that the contact portion is pivotally moved about the urging portion.

Abstract: An image forming apparatus may include a process cartridge, an apparatus body and a spacing member. The process cartridge may be detachably mountable to the apparatus body and include a photosensitive unit having a photosensitive member, a developing unit having a developing roller, and a driving input part into which a driving force from the apparatus body is configured to be inputted. The apparatus body may include a driving input member which is configured to input the driving force. Additionally or alternatively, the spacing member may be attached to the process cartridge and configured to space the photosensitive member and the developing roller. The spacing member may include a first cover part which is located between the driving input part and the driving input member and covers at least a portion of the driving input part.

Abstract: A cartridge including: a housing including a first side wall and a second side wall which are opposed to each other; a driving input member provided to the first side wall and is configured to rotate; and a first rotary member provided at an outer side of the first side wall and is configured to rotate about a first rotational axis in response to a rotational driving force from the driving input member, wherein the first rotary member includes a protrusion protruding to the outer side, wherein the first rotary member is configured to be moved relative to the first side wall in a direction along the first rotational axis, and wherein an end portion of the first rotary member at an opposite side of the first side wall is configured to be displaced in a direction crossing the first rotational axis.

Abstract: An image forming apparatus includes a main body and a cartridge attached to the main body. The cartridge includes: a casing extending in a longitudinal direction; a photosensitive drum extending in the longitudinal direction; and a separating member that is detachably attached to the casing. The photosensitive drum has a peripheral surface and is positioned in confrontation with the endless belt as a result of attachment of the cartridge to the main body. The separating member is attached to the casing and separates the photosensitive drum from the endless belt when the main body is packaged while the cartridge is attached to the main body. The separating member includes first and second end portions disposed on both end portions of the casing, and a connecting portion connecting the first and second end portions and is configured to cover the peripheral surface.

Abstract: A cartridge including: a housing including a first side wall and a second side wall which are opposed to each other; a driving input member provided to the first side wall and is configured to rotate; and a first rotary member provided at an outer side of the first side wall and is configured to rotate about a first rotational axis in response to a rotational driving force from the driving input member, wherein the first rotary member includes a protrusion protruding to the outer side, wherein the first rotary member is configured to be moved relative to the first side wall in a direction along the first rotational axis, and wherein an end portion of the first rotary member at an opposite side of the first side wall is configured to be displaced in a direction crossing the first rotational axis.

Abstract: A process cartridge includes: a photoconductor having a peripheral surface; a first roller having a peripheral surface to be pressed against the peripheral surface of the photoconductor and configured to rotate around a first axis of rotation; a second roller having a peripheral surface to be pressed against the peripheral surface of the first roller and configured to rotate around a second axis of rotation which is parallel to the first axis of rotation; a first urging member configured to urge the first roller and the second roller in a first direction toward the photoconductor; and a second urging member configured to urge the second roller in a second direction toward the first roller. The second urging member is arranged such that the second direction is parallel to the first direction.

Abstract: There is provided an image forming apparatus including: a process cartridge, an apparatus body and a spacing member. The process cartridge is detachably mounted to the apparatus body. The process cartridge includes a photosensitive unit having a photosensitive member, a developing unit having a developing roller, and a driving input part into which a driving force from the apparatus body is configured to be inputted. The apparatus body includes a driving input member which is configured to input the driving force. The spacing member is attached to the process cartridge and is configured to space the photosensitive member and the developing roller. The spacing member includes a first cover part which is located between the driving input part and the driving input member and covers at least a portion of the driving input part.

Abstract: A cartridge including: a housing including a first side wall and a second side wall which are opposed to each other; a driving input member provided to the first side wall and is configured to rotate; and a first rotary member provided at an outer side of the first side wall and is configured to rotate about a first rotational axis in response to a rotational driving force from the driving input member, wherein the first rotary member includes a protrusion protruding to the outer side, wherein the first rotary member is configured to be moved relative to the first side wall in a direction along the first rotational axis, and wherein an end portion of the first rotary member at an opposite side of the first side wall is configured to be displaced in a direction crossing the first rotational axis.