Patent ID: 7529508
Filing Date: 2009-05-05
Classification: G03G

Abstract:
1. A developing cartridge of an electrophotographic image forming apparatus, comprising: a housing containing a toner; a developing roller disposed such that a portion thereof is exposed to the housing; and an agitator which is provided in the housing and feeds the toner to the developing roller, the agitator comprising: a body, a flexible agitating film attached to the body and comprising a coupling groove, a hook provided on the body and inserted into the coupling groove, and a guide element to guide the toner placed at edges of the housing toward a center of the flexible agitating film, wherein the guide element comprises a pair of ribs provided at both sides of the body such that an interval between the ribs is narrower as portions thereof are closer to a direction opposite to a rotation direction of the agitator.