DEVELOPING DEVICE, IMAGE FORMING DEVICE HAVING DEVELOPING DEVICE AND METHOD OF FEEDING DEVELOPING AGENT INTO DEVELOPING DEVICE Russian patent published in 2010 - IPC G03G15/08 

FIELD: physics.

SUBSTANCE: developing device used with an image forming device has a cartridge for the developing agent having an outlet opening for releasing the developing agent; a developing cartridge in which the cartridge for the developing agent is detachably fitted and in which there is an inlet opening for the developing agent from the outlet opening of the cartridge for the developing agent; and a connecting element which connects the outlet opening of the cartridge for the developing agent and the inlet opening of the developing cartridge so that the developing agent is fed from the cartridge for the developing agent into the developing cartridge, wherein owing to design of the cartridge for the developing agent, the developing cartridge and the connecting element, flow of the developing agent from the cartridge for the developing agent into the developing cartridge is controlled based on pressure of the developing agent in the developing cartridge.

EFFECT: design of a developing cartridge with a detachable cartridge for developing agent, which enables filling the developing agent by only replacing the detachable cartridge for developing agent, control of flow of the developing agent from the detachable cartridge for the developing agent into the developing cartridge.

35 cl, 15 dwg