Patent ID: 8792808

Claim:
A developer container configured to be detachably attached to an image forming apparatus main body, comprising: a container body configured to store developer; a discharge opening configured to discharge the developer inside the container body; a rotator configured to be rotationally driven in the container body; a sequence of gears disposed on one end side in a longitudinal direction of the container body, the sequence of gears including plural gears configured to transmit a driving torque to the rotator; and a container guiding portion disposed on the one end side and configured to guide the developer container toward a mounting portion of the image forming apparatus main body in a direction in which the developer container is attached to the mounting portion, wherein the container guiding portion guides the developer container by fitting with a main body side guiding portion disposed in the mounting portion, wherein a first gear included in the sequence of gears is configured to be moved between an operating position where the first gear engages with a second gear and transmits a torque to the second gear and a retracted position where the first gear is retracted from the operating position, and wherein the first gear is arranged such that the first gear overlaps with a part of the container guiding portion or all the container guiding portion at the operating position, and the first gear does not overlap with the container guiding portion at the retracted position.