Patent ID: 9625875
Date: 2017-04-18
CPC Classifications: G03G

Claim:
1. A developing cartridge comprising: a developing roller rotatable about an axis extending in a first direction, the developing roller including a developing roller main body and a protruding portion protruding from the developing roller main body in the first direction; a housing configured to accommodate toner therein; a developing gear positioned at an outer surface of the housing, the developing gear having an insertion hole through which the protruding portion is inserted and the developing gear being rotatable with the developing roller; a gear cover covering at least a portion of the developing gear, the gear cover having a first screw insertion hole positioned at one end portion of the gear cover in a second direction, a second screw insertion hole positioned at another end portion of the gear cover in the second direction, and a protrusion protruding from the gear cover and positioned at the one end portion of the gear cover, wherein the protrusion has a hole through which the protruding portion is inserted; a first screw being inserted through the first screw insertion hole to attach the gear cover to the housing; and a second screw being inserted through the second screw insertion hole to attach the gear cover to the housing.