Abstract: A conveying-direction switching device includes: a shaft; and a plurality of blades that are pivotally supported by the shaft and that switch a conveying direction of a sheet conveyed through a conveyance path to a predetermined direction toward a delivering/discharging section for the sheet included in a housing unit that houses the sheet by winding the sheet around a drum together with a belt-like member, wherein the plurality of blades include: a first blade group that is pivotally supported in a neighborhood of a center of the shaft and that is opposed to the delivering/discharging section; and a second blade group that is pivotally supported on an outer side of the shaft as compared with the first blade group.