Toner cartridge

  • US 8,311,420 B2
  • Filed: 10/14/2011
  • Issued: 11/13/2012
  • Est. Priority Date: 05/18/2006
  • Status: Active Grant
First Claim
Patent Images

1. A toner cartridge comprising:

  • a toner container configured to contain toner;

    a toner supplying opening formed in the toner container;

    a conveying member configured to convey the toner toward the toner supplying opening in the toner container;

    a driving member configured to rotationally drive the conveying member;

    an agitating member configured to agitate the toner in the toner container;

    a driven member configured to rotate in association with rotational driving 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 configured to rotate according to rotation of the driven member, having a plurality of light incidence parts in rotational circumference, wherein the number of the light incidence parts 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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