Patent ID: 9565331
Date: 2017-02-07
CPC Classifications: H04N

Claim:
1. An image reading device comprising: a transparent plate member configured to be in contact with a reading surface of a document sheet when the document sheet is moved in a first direction during an automatic document sheet reading, the transparent plate member being elongated and extending in a second direction perpendicular to the first direction; a reading portion disposed below the transparent plate member; a support member supporting a lower surface of the transparent plate member at two support points that are separated from each other in the second direction; an adjustment mechanism configured to bias an extension end portion of the support member in a downward direction opposite to a direction in which the transparent plate member is supported by the support member, the extension end portion extending outward from one of the two support points, and to adjust a distance between the transparent plate member and the reading portion by changing a biasing force applied to the extension end portion of the support member; and a cover portion covering an upper surface of the extension end portion, wherein