Document conveyance device, document reading device and image forming apparatus

A document conveyance device comprising:

• a sheet feeding tray on which a document is placed;
• a conveyance mechanism configured to convey the document fed from the sheet feeding tray along a conveyance path via a reading position;
• a discharge tray provided below the sheet feeding tray and on which the document discharged from the conveyance path is stacked;
• a document pressing member coming into contact with an upper face of the document discharged from the conveyance path and pressing the document downward;
• and
• a supporting mechanism configured to be provided in the sheet feeding tray, to support the document pressing member, to allow a shifting of the document pressing member according to an operation for shifting the document pressing member in a discharge direction of the document or an opposite direction to the discharge direction and to inhibit the shifting of the document pressing member against a force applied to the document pressing member by the discharged document,
• wherein the supporting mechanism includes:
• an operation member coupled to the document pressing member and capable of shifting the document pressing member in the discharge direction or the opposite direction;
• and
• a coupling member coupled to the operation member and movable along a slit formed on the sheet feeding tray along the discharge direction, and
• the document pressing member is connected to the coupling member through the slit.