Patent ID: 8610974

Claim:
An image reading apparatus comprising: a main unit; and a cover unit pivotally attached to the main unit, the cover unit including: a document tray configured to receive a document; a document conveying mechanism configured to convey the document received by the document tray along a conveying path; and an image reading device configured to read an image of the document conveyed along the conveying path, wherein the image reading device includes: a contact image sensor disposed below the conveying path such that a reading surface of the contact image sensor faces upward; a sensor holder having an open top box shape and configured to hold the contact image sensor in position inside; an urging member disposed in an inner bottom surface of the sensor holder to urge the contact image sensor toward a reading position; and a shock absorber disposed at an end portion of the contact image sensor in a main scanning direction between a bottom surface of the contact image sensor and the inner bottom surface of the sensor holder, the shock absorber being made of a porous material, wherein a first distance between the end portion of the contact image sensor in the main scanning direction where the shock absorber is disposed and an end of the cover unit where the cover unit is pivotally attached to the main unit is greater than a second distance between another end portion of the contact image sensor in the main scanning direction and the end of the cover unit.