Patent ID: 9395684
Filing Date: 2016-07-19
CPC Classification: G03G

Claim Text:
1. A developing cartridge comprising: a developing roller extending in an extending direction; a shaft extending in the extending direction, the shaft including a first end portion and a second end portion separated from the first end portion in the extending direction; a first gear mounted to the first end portion and rotatable with the shaft; a second gear mounted to the second end portion and rotatable with the shaft; a coupling rotatable about a first axis extending in the extending direction; a coupling gear rotatable with the coupling about the first axis; an idle gear meshing with the coupling gear and the first gear; a developing electrode electrically connected to the developing roller, the developing electrode including a projection projecting in the extending direction; a detection gear meshing with the second gear, the detection gear rotatable about the projection; and a first cover covering a portion of a peripheral surface of the projection, the first cover rotatable about the projection according to rotation of the detection gear.