Image forming device having spacer member for retaining developing roller at position spaced away from corresponding photosensitive drum

  • US 8,483,593 B2
  • Filed: 01/19/2011
  • Issued: 07/09/2013
  • Est. Priority Date: 03/19/2010
  • Status: Active Grant
First Claim
Patent Images

1. An image forming device comprising:

  • a plurality of photosensitive drums;

    a holder unit configured to hold the plurality of photosensitive drums such that the plurality of photosensitive drums are arrayed in a predetermined direction and juxtaposed with each other with a space between neighboring photosensitive drums;

    a plurality of developing units held by the holder unit, each being provided in association with each photosensitive drum, and each including a developing roller displaceable between a contact position where the developing roller is in contact with the photosensitive drum and a spaced position where the developing roller is spaced away from the photosensitive drum; and

    ,a spacer member having a plurality of retaining portions each in association with each developing unit and configured to retain each developing unit at the spaced position, and a linking portion integral with the retaining portions and configured to connect neighboring retaining portions therethrough in the predetermined direction,wherein the linking portion provides flexibility and is shrinkable and stretchable in the predetermined direction.

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