Patent ID: 9714146
Date: 2017-07-25
CPC Classifications: B65H

Claim:
1. A sheet storage apparatus comprising: a storage apparatus body; a sheet stacking portion on which a sheet is stacked, the sheet stacking portion configured to be movable upward and downward with respect to a bottom portion of the storage apparatus body, the sheet stacking portion having an opening opened in an upward and downward direction; a rear end regulation member supported movably on the bottom portion in a sheet feed direction and a direction opposite to the sheet feed direction, the rear end regulation member configured to regulate a position of an upstream end, in the sheet feed direction, of the sheet stacked on the sheet stacking portion; a side end regulation member configured to regulate an end position, in a width direction orthogonal to the sheet feed direction, of the sheet stacked on the sheet stacking portion, the side end regulation member being movable in the width direction within a space formed by the opening; and a rear end regulation attachment being detachably attached to the rear end regulation member, the rear end regulation attachment comprising a regulating portion extending toward the bottom portion of the storage apparatus body through the opening in a state where the rear end regulation attachment is attached to the rear end regulation member, and regulating the upstream end of the sheet on a position downstream, in the sheet feed direction, of a regulating position of the rear end regulation member.