Patent ID: 9260262
Filing Date: 2016-02-16
CPC Classification: B65H

Claim Text:
1. A sheet stacking apparatus comprising: a sheet stacking member on which a sheet is stacked; and a sheet restricting portion configured to restrict a position of an end of the sheet stacked on the sheet stacking member, the sheet restricting portion including: a holding portion provided in the sheet stacking member, the holding portion being movably with respect to the sheet stacking member in a first direction and a second direction opposite to the first direction; a first restricting portion configured to determine a position of the holding portion in the first direction by restricting a move of the holding portion; a releasing portion configured to release the restriction of the holding portion made by the first restricting portion; an abutment portion attached to the holding portion, the abutment portion being movably with respect to the holding portion in the first and second directions and including an abutting surface abutting against the end of the sheet; a bias member configured to bias the abutment portion toward the first direction; and a second restricting portion configured to restrict a movable range of the abutment portion from a first movable range in a state in which the holding portion is restricted by the first restricting portion to a second movable range in a state in which the restriction of the holding portion is released by the releasing portion, the second movable range being narrower than the first movable range.