Sheet feeding device and sheet processing apparatus

A sheet processing apparatus, comprising:

• a conveying belt to convey a plurality of sheets in a first conveying direction;
• a first roller along which the conveying belt is wound, which forms a conveying terminal portion of the conveying belt;
• a second roller along which the conveying belt is wound that is upstream from the first roller in a first conveying direction, the first and second rollers forming a slope portion of the conveying belt that slopes downward toward the conveying terminal portion;
• a support portion which supports each of the plurality of sheets dropped from the conveying terminal portion in an upright position, the support portion located lower than the conveying terminal portion;
• a takeout section which takes out a front sheet from the plurality of sheets arranged in the support portion, and conveys the taken-out sheet in a second conveying direction;
• wherein the plurality of sheets being loaded on the conveying belt are arranged in an overlapping manner;
• and
• a sorting processing section to perform sorting processing of the plurality of sheets to be conveyed by a sheet processing device.