Patent ID: 9335660
Filing Date: 2016-05-10
CPC Classification: G03G

Claim Text:
1. A developer case comprising: a case main body configured to include a toner containing space containing a toner and a merging space communicating to the toner containing space; a carrier tank attachably/detachably installed to the case main body and configured to include a carrier containing space containing a carrier and communicating to the merging space; a main body side conveying member rotatably arranged in the case main body and configured to convey the toner from the toner containing space to the merging space and to discharge the toner and carrier from the merging space to an outside; a tank side conveying member rotatably arranged in the carrier tank and configured to convey the carrier from the carrier containing space to the merging space; and an agitating member rotatably arranged in the case main body and configured to agitate the toner contained in the toner containing space, wherein the agitating member includes a main body side joint part exposed to the outside from the case main body, the tank side conveying member includes a tank side joint part exposed to the outside from the carrier tank, and when the carrier tank is attached to the case main body, the main body side joint part and tank side joint part are connected to each other so that the tank side conveying member becomes rotatable integrally with the agitating member, and the toner conveyed from the toner containing space and the carrier conveyed from the carrier containing space are merged with each other in the merging space and discharged to the outside.