Patent ID: 8526862
Filing Date: 2013-09-03
Classification: G03G

Abstract:
1. A developer cartridge removably mounted to a developing device, comprising: a developer container configured to contain developer, the developer container including a first arc-shaped wall having an arc shape that is concave inward in a cross-sectional view, wherein a first opening is formed in the first arc-shaped wall; an agitating member positioned in the developer container and configured to agitate the developer; a first shutter having an arc shape in the cross-sectional view and configured to rotate along a periphery of the first arc-shaped wall between a first position to open the first opening and a second position to close the first opening; and a first rotatable member positioned at at least one axial end of the first shutter, wherein the first shutter is configured to rotate in response to rotating of the first rotatable member.