Patent ID: 7110703

Claim:
A developing apparatus for an electrophotographic image forming apparatus, said developing apparatus comprising: a developing device configured and positioned to develop an electrostatic latent image formed on an electrophotographic photosensitive member; a developer accommodating container configured to accommodate a developer to be used by said developing device; a first stirring member configured and positioned to receive a driving force from a main assembly of the electrophotographic image forming apparatus to stir the developer accommodated in said developer accommodating container; and a second stirring member configured and positioned to stir the developer accommodated in said developer accommodating container, said second stirring member being rotatable by being contacted by said first stirring member rotated through a predetermined angle when said first stirring member receives the driving force from the main assembly of the apparatus. wherein said first stirring member stirs at least a part of a region of the developer which is stirred by said second stirring member.