Patent ID: 8406680

Claim:
A sheet reversing device, comprising: a first conveyance path that extends vertically; a second conveyance path that extends horizontally, into which a sheet is carried along a sheet conveyance direction from the first conveyance path and from which the sheet is carried out after being switched back; a third conveyance path that extends horizontally, receives and conveys the sheet carried out from the second conveyance path; a curved guide plate disposed between the first and second conveyance paths and including a curved guide surface for guiding the sheet to the second conveyance path; and a pivotal guide member pivotably supported with a part thereof projecting from the curved guide surface, wherein the pivotal guide member pivots to be retracted into an inner side of the curved guide surface by being pushed by the sheet moving along the sheet conveyance direction from the first conveyance path toward the second conveyance path while guiding the sheet switched back after a trailing end of the sheet moved in the sheet conveyance direction passes the pivotal guide member so that the sheet that is switched back is carried out from the second conveyance path toward the third conveyance path by the part of the pivotal guide member projecting from the curved guide surface.