Patent ID: 9008522
Filing Date: 2015-04-14
Classification: G03G

Abstract:
1. A developing cartridge, comprising: a housing that is configured to accommodate developing material therein and that has a first side wall and a second side wall opposite to each other in a predetermined direction, an outer surface of the first side wall facing in the predetermined direction, an outer surface of the second side wall facing in an opposite direction opposite to the predetermined direction; a developing roller having a rotational shaft that extends in the predetermined direction and that has a first part which is a portion of the rotational shaft that protrudes from the first side wall outwardly in the predetermined direction and a second part which is a portion of the rotational shaft that protrudes from the second side wall outwardly in the opposite direction; a driving-force-receiving member that is configured to receive driving force from outside of the developing cartridge; a detection rotational body that is configured to be detected by a detecting unit that is provided outside of the developing cartridge; a first supporting member that is mounted on the outer surface of the first side wall of the housing and that has a first developing supporting portion and a driving-force-receiving-member supporting portion, the first developing supporting portion being configured to rotatably support the first part of the rotational shaft, the driving-force-receiving-member supporting portion being configured to rotatably support the driving-force-receiving member; and a second supporting member that is mounted on the outer surface of the second side wall of the housing and that has a second developing supporting portion and a detection-rotational-body supporting portion, the second developing supporting portion being configured to rotatably support the second part of the rotational shaft, the detection-rotational-body supporting portion being configured to rotatably support the detection rotational body.