DEVELOPER FEEDING CONTAINER AND DEVELOPER FEEDING SYSTEM Russian patent published in 2015 - IPC G03G15/08 

FIELD: physics, photography.

SUBSTANCE: present invention relates to a developer feeding container, which is detachably installed in a developer filling device, and to developer feeding system, including same. The disclosed developer feeding container, which is detachably installed in a developer filling device, comprises: a developer holding portion, an opening made and arranged to allow the developer to pass from said developer holding portion, a moving force receiving portion, which is made and arranged to receive a moving force from said developer filling device; and a pump portion, which is made and arranged to apply on said developer holding portion a moving force received by said moving force receiving portion, for alternate change of internal pressure of said developer holding portion between pressure lower than ambient pressure and pressure higher than ambient pressure to feed developer from said developer feeding container through said opening.

EFFECT: providing a developer which can be sufficiently loosened, thereby enabling reliable release of the developer due to that a pump is provided on the side of the developer feeding container, and the pump alternately repeats a suction operation and a release operation through the outlet opening using a moving force applied on the side of an image forming device.

38 cl, 68 dwg, 2 tbl