Patent ID: 9535396
Date: 2017-01-03
CPC Classifications: G03G

Claim:
1. A process cartridge comprising: a first cartridge provided with a gear and a detection gear, the detection gear being configured to rotate around a first axial line extending in a first direction, and to move between a first position, in which the detection gear is capable of receiving drive force from the gear, and a second position, the detection gear comprising: a second cartridge configured to be detachably attached to the first cartridge, the second cartridge being provided with the engaging part that is configured to engage with the detection gear in the second position, thereby moving the detection gear from the second position to the first position, the engaging part being configured to move from a third position to a fourth position such that: wherein, when the detection gear is in the second position and the second cartridge is not attached to the first cartridge, the detection gear does not receive drive force from the gear.