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Image reading apparatus and image forming apparatus

  • US 8,786,913 B2
  • Filed: 01/15/2013
  • Issued: 07/22/2014
  • Est. Priority Date: 01/16/2012
  • Status: Active Grant
First Claim
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1. An image reading apparatus configured to read an image of an original, the image reading apparatus comprising:

  • a light source configured to irradiate the original with light;

    an optical system configured to condense and image a light beam emitted from the light source and reflected from a surface of the original;

    a substrate member having a photoelectric conversion unit arranged in an imaging position of the optical system;

    a fixing member fixed to the substrate member;

    a support member configured to support the optical system; and

    an adhesive bonding the fixing member and the support member together,wherein one of the support member and the fixing member has a protruding portion that protrudes toward the other of the support member and the fixing member,wherein the other of the support member and the fixing member has a recessed portion that is opposed to the protruding portion,wherein the protruding portion is arranged to protrude in the recessed portion in a non-contact state to maintain a gap between the protruding portion and the recessed portion, andwherein the adhesive is applied to the gap between the protruding portion and the recessed portion.

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