MEMBER FOR AGITATING AND CONVEYING DEVELOPER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS HAVING SAME

摘要

PROBLEM TO BE SOLVED: To provide a member for conveying developer, which is capable of reducing stay of developer around a rotation shaft as a result of being scraped by an agitating member and collected toward the rotation shaft, and to provide a developing device and an image forming apparatus having the same.;SOLUTION: The member for agitating and conveying a developer, includes: the rotation shaft 57a that rotates in a given direction; a spiral-shaped conveying member 57b that conveys a developer, containing at least toner and carrier, in a shaft direction of the rotation shaft 57a; a protruded agitation section 570 that protrudes, with a gap from the rotation shaft 57a, from the conveying member 57b toward an upstream side in a developer conveying direction, and agitates the developer conveyed by the conveying member 57b; and a radial directional conveying section 575 that is disposed between adjacent spires of the spiral-shaped conveying member 57b, is disposed in a downstream side in the developer conveying direction with respect to the protruded agitation section 57b; and gives a radial directional conveying force to the developer conveyed toward the rotation shaft 57a by its being agitated by the agitating member 57b.;COPYRIGHT: (C)2009,JPO&INPIT