| 摘要 |
An image reading apparatus comprises a feeding mechanism conveying a document, a moving mechanism moving a reading unit, a driving source shared by the mechanisms, a biasing mechanism moving the reading unit to a predetermined position by an elastic member when the reading unit is moved out of a reading region, a transmission element being displaced by the movement of the reading unit and switching transmission of the drive force, and a disengaging mechanism disengaging the reading unit in the predetermined position to the reading region from the predetermined position by the drive force of the driving source. |
