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

Claim 15:
16. A developing cartridge, comprising:
a housing;
a developer roller supported by the housing and configured to rotate about an axis of the developer roller;
a developer feeding roller supported by the housing and configured to rotate about an axis of the developer feeding roller; and
a coupling gear 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;
an elastic member between the housing and the transmission rod, configured to cause the transmission rod to move;
a first protrusion on a second side of the housing and configured to move in response to a movement of the transmission rod; and
an electrode electrically connected to the developer roller or the developer feeding roller and having an electrical contact surface on the second side of the housing,
wherein the electrical contact surface is between the developer roller and the transmission rod.