Patent ID: 8538291
Filing Date: 2013-09-17
Classification: G03G

Abstract:
1. A developing cartridge comprising: a housing; a developing roller that is rotatable about a developing roller axis line, which extends in a direction between a pair of opposite sidewalls of the housing; a supply roller, which is arranged between the pair of opposite sidewalls, which comprises a supply roller shaft extending in the direction between the opposite side walls, and which is configured to supply developer to the developing roller; a bearing member configured to: a supply electrode, which is disposed opposite to an end face of the supply roller shaft at a first end side of the supply roller shaft, and which is configured to be electrically connected to the supply roller shaft; a supply gear, which is attached to the supply roller shaft so as to not be rotatable relative to the supply roller shaft, and which is arranged at an outer side of the sidewall of the housing at a second end side of the supply roller shaft that is opposite to the first end side; and a gear cover, which is attached to the housing, and which covers the supply gear from the second end side, wherein the supply electrode and the gear cover axially restrain the supply roller shaft to position the supply roller shaft in the axial direction in the housing.