Patent ID: 9618879
Date: 2017-04-11
CPC Classifications: G03G

Claim:
1. A developing cartridge, comprising: a housing including a side wall and configured to contain a developer therein; an agitation member configured to be rotatable around a rotational shaft extending in a first direction and to agitate the developer; an agitation gear including a first gear and a second gear and fixed to the agitation member, the first gear being configured to receive driving force to be inputted and to transmit the driving force to the second gear, the second gear being positioned at a position farther from the side wall than the first gear in the first direction, the first gear and the second gear being rotatable around the rotational shaft; a detection unit including: a detection receiving portion configured to mesh with the second gear and to receive the driving force from the second gear; a detection portion configured to be detected by an external detecting apparatus; and a plate-shaped portion configured to be connected to the detection portion on one side in the first direction and to the detection receiving portion on the other side in the first direction, the detection portion being a protrusion extending in the first direction; and a gear cover configured to cover at least a part of the agitation gear and the detection unit therewith and including a base facing the agitation gear in the first direction, wherein a connecting surface of the detection portion to the plate-shaped portion is configured to move between the second gear and the base, when being projected in a direction orthogonal to the first direction.