Patent ID: 8675265
Filing Date: 2014-03-18
Classification: H04N

Abstract:
1. An image reading apparatus comprising: a placement portion on which an original is to be placed; an openable and closable pressure portion which presses the original, which is placed on the placement portion, against the placement portion; a reading unit which moves in a sub-scanning direction orthogonal to a main scanning direction to read image information of the original, which is pressed against the placement portion by the openable and closable pressure portion; a step portion which is provided on a pressure surface of the openable and closable pressure portion which presses the original against the placement portion, the step portion forming a space portion between the pressure surface and the placement portion, the space portion extending along the sub-scanning direction so that at least one end of the space portion in the sub-scanning direction is communicated to an outside in a state in which the openable and closable pressure portion is closed; and an elastic portion which is provided in the openable and closable pressure portion and forms the pressure surface, the elastic portion including the step portion and elastically deforming to form the space portion between the elastic portion and the placement portion in the state in which the openable and closable pressure portion is closed.