Patent ID: 9712700
Date: 2017-07-18
CPC Classifications: G03B,G03G,H04N

Claim:
1. An image reading apparatus comprising: a document placing table to an upper surface of which a contact glass is fixed; and a document pressing device which is supported at an end of the document placing table to be openable/closable via a hinge portion, and has, on a back surface side thereof, a document presser that presses a document placed on the contact glass, the image reading apparatus reading a document placed on the contact glass, with the document pressing device disposed at a closure position where the document presser abuts the contact glass, wherein a light transmission window which transmits light in a front-surface-to-back-surface direction of the document pressing device is formed in the document pressing device, the light transmission window is disposed at a position that does not overlap with the contact glass when the document pressing device is at the closure position, and when the document pressing device has moved in an opening direction from the closure position, light that has passed through the light transmission window reaches the contact glass, and the light transmission window comprises a light transmissive member that is fitted in the light transmission window, that refracts light incident thereon from a front surface side of the document pressing device in a direction approaching the contact glass, and that causes the light to be emitted through a back surface side of the document pressing device.