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Developer supply container and developer supplying apparatus

  • US 10,261,441 B2
  • Filed: 05/08/2017
  • Issued: 04/16/2019
  • Est. Priority Date: 11/10/2014
  • Status: Active Grant
First Claim
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1. A developer supply container detachably mountable to a developer supplying apparatus, the developer supply container comprising:

  • a developer accommodating chamber capable of accommodating developer;

    a discharge opening, provided on the developer accommodating chamber, for permitting discharge of the developer therein;

    a storage portion provided in the developer accommodating chamber and capable of storing a predetermined amount of the developer to be supplied through the discharge opening;

    a pump portion having a changeable inside volume with reciprocation and actable at least on the storage portion;

    an air hole portion providing fluid communication between the pump portion and the storage portion; and

    a suppressing portion capable of suppressing air directed toward the developer accommodating chamber from the pump portions while permitting supply of air from the pump portion to the air hole portion at least in a discharging operation.

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