Patent ID: 8385786

Claim:
A developing apparatus comprising: a developer carrying member; a developer accommodating container extending from one end to the other end along said developer carrying member, and in which developer is accommodated; a first feeding member provided within said developer accommodating container and feeding the accommodated developer while agitating; and a second feeding member provided within said developer accommodating container and feeding the developer to said developer carrying member, wherein said developer accommodating container comprises: a first accommodating portion in which said first feeding member is arranged; a second accommodating portion in which said second feeding member is arranged; a first communication portion communicating said first accommodating portion and said second accommodating portion in one end side; a second communication portion and a third communication portion communicating said first accommodating portion and said second accommodating portion at two positions in the other end side so as to be shifted their positions in a feeding direction of the developer; a discharge portion arranged between the second communication portion and the third communication portion in said second accommodating portion, and provided for discharging the developer; and a replenishing portion arranged in a downstream side in the feeding direction of the developer than the third communication portion, in said first accommodating portion, and provided for replenishing the developer.