A cartridge comprising: a housing configured to accommodate therein developer; a driving receiving part configured to receive a driving force; a rotary member configured to rotate by receiving a driving force from the driving receiving part and move in an axis direction, which is parallel with a rotational axis of the rotary member , while rotating; and a detected member configured to move in the axis direction by receiving a driving force from the rotary member , wherein the rotary member includes: a main body part having a first surface (S1) facing the detected member in the axis direction and a second surface (S2) positioned at an opposite side of the first surface (S1) in the axis direction, a first slide part arranged on the first surface (S1) and configured to apply a force for moving the detected member in the axis direction to the detected member, and a second slide part arranged on the second surface (S2) and configured to receive a force for moving the main body part in the axis direction characterized in that the detected member includes a first abutment part on which the first slide part abuts, and the housing includes a second abutment part on which the second slide part abuts and at least one of the first slide part and the first abutment part includes a first inclined part , which is inclined in a direction coming close to the first surface (S1) toward a downstream side in a rotating direction of the rotary member , and at least one of the second slide part and the second abutment part includes a second inclined part , which is inclined in a direction coming close to the second surface (S2) toward the downstream side in the rotating direction of the rotary member . a housing configured to accommodate therein developer; a driving receiving part configured to receive a driving force; a rotary member configured to rotate by receiving a driving force from the driving receiving part and move in an axis direction, which is parallel with a rotational axis of the rotary member , while rotating; and a detected member configured to move in the axis direction by receiving a driving force from the rotary member , wherein the rotary member includes: a main body part having a first surface (S1) facing the detected member in the axis direction and a second surface (S2) positioned at an opposite side of the first surface (S1) in the axis direction, a first slide part arranged on the first surface (S1) and configured to apply a force for moving the detected member in the axis direction to the detected member, and a second slide part arranged on the second surface (S2) and configured to receive a force for moving the main body part in the axis direction characterized in that the detected member includes a first abutment part on which the first slide part abuts, and the housing includes a second abutment part on which the second slide part abuts and at least one of the first slide part and the first abutment part includes a first inclined part , which is inclined in a direction coming close to the first surface (S1) toward a downstream side in a rotating direction of the rotary member , and at least one of the second slide part and the second abutment part includes a second inclined part , which is inclined in a direction coming close to the second surface (S2) toward the downstream side in the rotating direction of the rotary member . <EOS>