Patent ID: 9561918
Date: 2017-02-07
CPC Classifications: B65H

Claim:
1. A paper stacker on which paper is stackable in a stacking direction, comprising: a casing; a side fence extending in the stacking direction and configured to regulate a position in a width direction of the paper; and a lift plate capable of being loaded with the paper in the casing and moving the paper in parallel to a paper feed point in the stacking direction, wherein the side fence is mounted in the casing so as to be changeable in position according to a size of the paper that is loaded, the side fence includes a main body, a swell segment, and an urging segment, the main body defining a reference plane extending in the stacking direction, the swell segment being integral with the main body so as to be immovable relative to the main body and swelling from the reference plane toward an edge of the paper below the paper feed point, the urging segment including an urging surface portion above the swell segment, the urging surface portion being capable of moving toward the edge of the paper to be in contact with the edge of the paper so as to urge the edge of the paper at the paper feed point, and the swell segment includes a regulating segment parallel to the main body, and an inclining segment connecting the main body to the regulating segment below the regulating segment.