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DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

  • US 20100239322A1
  • Filed: 03/22/2010
  • Published: 09/23/2010
  • Est. Priority Date: 03/23/2009
  • Status: Active Grant
First Claim
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1. 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 the 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 communicating said first accommodating portion and said second accommodating portion at the other end side;

    a developer replenishing portion arranged in the other end side rather than said second communication portion, in the other end side of said first accommodating portion;

    a developer discharge portion arranged in the other end side rather than said second communication portion, in the other end side of said second accommodating portion; and

    a flow rate regulating portion arranged between said second communication portion and the developer discharge portion, and regulating an amount of the passing developer.

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