Developing apparatus featuring an area where a partly exposed developer agitating member and conveying member are disposed

摘要

A developing apparatus and an image forming apparatus for agitating a two-component developer throughly in a short time, feeds a developer with an even toner concentration to a developer bearing body and stably forms a high-quality image free from defects at any time. A developer agitating and conveying assembly, which is provided in a developer container agitates and conveys the developer. A toner feed port feeds toner to the developer container. The agitating and conveying members are disposed to be partially exposed out of the developer.