Document feeding, image reading, and image forming apparatus including slidable document supports with one constituting part of an upper surface of the apparatus

An image reading apparatus comprising:

• a document supporting portion including a first supporting portion having a first supporting surface configured to support a document, and a second supporting portion having a second supporting surface configured to support the document together with the first supporting surface and provided so as to be slidable between a first position at which the second supporting portion located above the first supporting portion and a second position at which the second supporting surface supports the document together with the first supporting surface;
• a document feeding portion configured to feed a document supported by the document supporting portion;
• and
• an image reading unit configured to read an image on a document fed by the document feeding portion, wherein
• in a state where the second supporting portion is located at the first position, the second supporting surface constitutes a portion of an upper surface of the image reading apparatus.

An image forming apparatus comprising:

• a document supporting portion including a first supporting portion having a first supporting surface configured to support a document, and a second supporting portion having a second supporting surface configured to support the document together with the first supporting surface and provided so as to be slidable between a first position at which the second supporting portion located above the first supporting portion and a second position at which the second supporting surface supports the document together with the first supporting surface;
• a document feeding portion configured to feed a document supported by the document supporting portion;
• an image reading unit configured to read an image on a document fed by the document feeding portion;
• and
• an image forming unit configured to form an image on a sheet based on the image on the document read by the image reading unit, wherein
• in a state where the second supporting portion is located at the first position, the second supporting surface constitutes a portion of an upper surface of the image forming apparatus.