Patent ID: 8675262

Claim:
An image reading device, comprising: a contact glass on which a document is to be placed; a document conveying device that is capable of being opened upward and closed with respect to the contact glass and that conveys a document to an upper surface of the contact glass; an image reading portion that is provided below the contact glass and reads an image of a document placed on the contact glass or an image of a document conveyed to an image reading position by the document conveying device; a pair of hinge portions, at least one of which includes a hinge base supported by the image reading portion, a first hinge member connected rotatably to the hinge base, and a second hinge member supported so as to be slidable in a direction perpendicular to a rotary shaft with respect to the first hinge member and fixed to the document conveying device, the pair of hinge portions holding the document conveying device so as to be rotatable with respect to the image reading portion; and a position adjustment mechanism including a lever that applies pressure on the second hinge member so as to press the second hinge member against the first hinge member or releases the pressure on the second hinge member, a gear mechanism that slides the second hinge member with respect to the first hinge member in a state in which the pressure on the second hinge member is released through the lever, and a handle that rotates the gear mechanism.