Image reading apparatus for reading a document positioned on a plate

An image reading apparatus configured to read a document positioned on a document positioning plate, the image reading apparatus comprising:

• an apparatus body;
• the document positioning plate mounted on the apparatus body;
• a document cover configured to press the document against the document positioning plate;
• a hinge member attached to the document cover and rotatably attached to the apparatus body;
• and
• a switch member engaging with the hinge member and configured to restrict a rotation angle of the hinge member,
• wherein the switch member is located on a same side as a side of the document positioning plate of the apparatus body and is configured to restrict, at a first position thereof, the rotation angle of the hinge member to a first open angle and to release, at a second position thereof, the rotation angle of the hinge member from being restricted to the first open angle.