Toner cartridge

  • US 7,792,438 B2
  • Filed: 05/16/2007
  • Issued: 09/07/2010
  • Est. Priority Date: 05/18/2006
  • Status: Active Grant
First Claim
Patent Images

1. A toner cartridge comprising:

  • a toner container which contains toner;

    a toner supplying opening which is formed in the toner container;

    a conveying member which conveys the toner toward the toner supplying opening in the toner container while being rotated;

    a driving member which rotationally drives the conveying member;

    an agitating member which agitates the toner in the toner container while being rotated;

    a driven member rotated in association with rotation of the driving member to rotate the agitating member, wherein a rotational speed R2 (rad/s) of the driven member is slower than a rotational speed R1 (rad/s) of the driving member; and

    a rotational body rotated according to rotation of the driven member, having a plurality of slits in rotational circumference, wherein the number of slits is 1/K or more when a ratio of the rotational speed R1 (rad/s) and the rotational speed R2 (rad/s) is K=R2/R1.

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