Patent ID: 8964266
Filing Date: 2015-02-24
Classification: H04N

Abstract:
1. An image reading device comprising: a document table on which an original document is loaded; an optical unit that is positioned underneath the document table and is configured to read an image from the original document loaded on the document table by scanning the original document in at least one of sub scanning directions; a rail part that is provided so as to extend in the sub scanning directions and is configured to support the optical unit in such a manner that the optical unit is slidable in the sub scanning directions; and a driving device configured to move the optical unit in the sub scanning directions, wherein the optical unit includes: a center of gravity of the optical unit is in a position toward a first sub scanning direction, relative to a middle point of the optical unit in terms of the sub scanning directions, the first sub scanning direction being one of the sub scanning directions, the engagement part is provided in a position toward a first main scanning direction relative to the sliding part, the first main scanning direction being one of the main scanning directions, the plurality of pairs of pinching parts include a first pair and a second pair that are arranged along the sub scanning directions, the second pair is provided in a position toward a second sub scanning direction relative to the first pair, the second sub scanning direction being the other of the sub scanning directions, and of the two pinching parts in the second pair,