The inkjet recording device and a platen device

Between the platen, the contact portion, the contact portion is provided in terms of the scanning direction of the plurality of first ribs of the pair of first ribs: providing an ink jet recording apparatus and the platen device, comprising an ink jet recording apparatus. The lower end of the contact portion is positioned lower than the upper end of each of the pair of first rib. Between a platen comprises a second rib, a second rib is provided in terms of the scanning direction, the first rib of the first rib and the contact portion, and the upper end of the second rib is positioned lower than the first pair of ribs a first upper end of the rib and above the lower end of the contact portion. The apparatus can improve the uniformity of stiffness in the sheet width direction.