Patent ID: 11874628
Assignee: JIANGXI YIBO E-TECH CO. LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 21:
22. A developing cartridge, comprising:
a housing;
a developer roller supported by the housing and configured to rotate about an axis of the developer roller; and
a coupling gear located on a first side of the housing, and configured to rotate by receiving a driving force;
a transmission rod configured to move in response to a rotation of the coupling gear, a first part of the transmission rod located on the first side of the housing, and a second part of the transmission rod located on a second side of the housing; and
a first protrusion on the second side of the housing and configured to move in response to a movement of the transmission rod; and
wherein the transmission rod is movably mounted on the housing, and the transmission rod is restricted to rotate about an axis parallel to the axis of the developer roller.