Patent ID: 8659807

Claim:
An image reading apparatus comprising: a reading sensor for reading an image; a reading carriage that supports the reading sensor; a driving portion that moves the reading carriage; a guide portion that is linked to the driving portion and that extends so as to guide the movement of the reading carriage; a guide rail, extending parallel to the guide portion, that guides the reading carriage while supporting the reading carriage; and an interlocking portion, provided in the reading carriage, having a first sliding surface that makes contact with the guide rail on the side of the guide rail facing the guide portion and a second sliding surface that makes contact with the guide rail on the side of the guide rail that is on the opposite side as the guide portion, wherein the position at which the first sliding surface of the interlocking portion makes contact with the guide rail is lower on the guide rail than the position at which the second sliding surface of the interlocking portion makes contact with the guide rail.