Patent ID: 8622386

Claim:
A sheet storage apparatus, comprising: a sheet conveying portion configured to convey a sheet; and a sheet storage portion configured to receive the sheet as conveyed upward from below by the sheet conveying portion and to store the sheet in a vertical direction, the sheet storage portion including: a guide portion having a guide surface set up in the vertical direction to guide the sheet, a first holding member configured to form a first nipping portion between the first holding member and the guide surface, and to hold the sheet at the first nipping portion so as to permit the sheet to be conveyed upward only to pass through the first nipping portion and to restrict the sheet from moving downward, and a second holding member configured to form a second nipping portion between the second holding member and the guide surface, and to hold the sheet at the second nipping portion so as to permit the sheet to be conveyed upward only to pass through the second nipping portion and to restrict the sheet from moving downward, the second holding member being disposed downstream of the first holding member in a sheet conveying direction.