Patent ID: 7599648

Claim:
A developer supplying apparatus for supplying a developer to a developing device, comprising: a developer container which contains the developer and is in the shape of substantially a cylinder; and a container supporting body which supports one end portion of the developer container so that the developer container is able to rotate in a peripheral surface direction, the developer container including: a first developer discharging opening for discharging the developer, the first developer discharging opening being formed on said one end portion, supported by the container supporting body, of the developer container; and developer conveying means for conveying the developer toward the first developer discharging opening by rotation of the developer container in the peripheral surface direction, wherein the developer conveying means comprises a rib which is inclined toward the first developer discharging opening of the developer container provided on an outer peripheral surface of said one end portion, supported by the container supporting body, of the developer container, the container supporting body including: a temporary storage chamber for temporarily storing the developer discharged from the first developer discharging opening of the developer container; and a second developer discharging opening for discharging the developer toward the developing device, and the developer contained in the temporary storage chamber being discharged from the second developer discharging opening by the rotation of the developer container.