Patent ID: 9020398
Filing Date: 2015-04-28
Classification: G03G

Abstract:
1. A developing cartridge comprising: a developing roller comprising a developing roller main body and a developing roller shaft; a housing having a first boss and second boss protruding outwardly in a direction parallel to the developing roller shaft; a developing gear fixed to the developing roller shaft; a transmission gear configured to receive driving force, the transmission gear being engaged with the developing gear and configured to transmit the driving force to the developing gear; a first cover member configured to cover at least a portion of the transmission gear; and a second cover member configured to cover at least a portion of the developing gear, the second cover member having an insertion part through which the developing roller shaft is inserted, the second cover member having a first boss insertion hole and a second boss insertion hole through which the first boss and the second boss are inserted, respectively; wherein the first boss and the second boss protrude outwardly beyond the developing gear.