Image reading apparatus and image forming apparatus comprising a reading portion, a first cover, a second cover and holding mechanism configured to prevent the first cover from moving to a second closed position and hold the first cover in the second open position

An image reading apparatus configured to read an image of a document conveyed in a conveyance path, the image reading apparatus comprising:

• a reading portion including a transparent member and a reading sensor configured to read the image on a sheet through the transparent member, the reading portion being configured to pivot between a first closed position in which the transparent member forms a first area of the conveyance path and a first open position in which the transparent member is exposed to an outside of the image reading apparatus;
• a first cover configured to pivot between a second closed position in which the first cover covers the reading portion and a second open position in which the first cover opens the reading portion;
• a second cover configured to pivot between a third closed position in which the second cover forms a second area of the conveyance path other than the first area together with the first cover located in the second closed position and a third open position in which the second cover opens the second area;
• and
• a restricting member configured to restrict movement of the first cover from the second open position to the second closed position.