Patent ID: 8472849
Filing Date: 2013-06-25
Classification: G03G

Abstract:
1. A toner cartridge comprising: a first toner housing portion configured to house toner, the first toner housing portion having a first bottom part that is curved; a second toner housing portion configured to house toner, the second toner housing portion having a second bottom part that is curved; a groove provided between the first toner housing portion and the second toner housing portion, wherein the first toner housing portion and the groove are partitioned by a first partition provided at the first bottom part, the second bottom part and the groove are partitioned by a second partition provided at the second bottom part; a screw that is provided on the groove and configured to rotate in the groove; a first mixer provided on the first toner housing portion, the first mixer configured to stir toner along the first bottom part; and a second mixer provided on the second toner housing portion, the second mixer configured to stir toner along the second bottom part, wherein a lowest part of the second bottom part is at a lower position than a lowest part of the first bottom part relative to a center of rotation of the screw and the second partition is at a higher position than the first partition relative to the groove.