Image forming device having holder unit with side plates between which photosenstive drums and toner cases are positioned

  • US 8,521,058 B2
  • Filed: 01/19/2011
  • Issued: 08/27/2013
  • Est. Priority Date: 03/19/2010
  • Status: Active Grant
First Claim
Patent Images

1. An image forming device comprising:

  • a plurality of photosensitive drums each defining an axial direction;

    a holder unit having a first side plate and a second side plate confronting with each other with a space in the axial direction, the plurality of photosensitive drums being positioned between the first side plate and the second side plate and juxtaposed with each other with an interval between neighboring photosensitive drums, the first side plate being formed with a plurality of openings;

    a plurality of developing rollers each corresponding to each photosensitive drum;

    a plurality of toner cases each supporting each developing roller and positioned between the first side plate and the second side plate, each toner case having a confronting surface confronting the first side plate;

    a plurality of developer couplings each provided at the confronting surface at a position in alignment with each opening, and receiving an input force to rotate each developing roller; and

    ,a fixing member having a plurality of intervenient portions and a connecting portion integrally linking neighboring intervenient portions together, each intervenient portion being interposed between each opening and each developer coupling to fix a position of each toner case relative to the holder unit.

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