SHEET STACKING DEVICE AND IMAGING FORMING APPARATUS PROVIDED WITH SAME

摘要

A sheet stacking device includes a sheet accommodating unit, a pair of wall portions and a loading plate. The sheet accommodating unit has an open upper surface part and accommodates sheets therein. The sheets have a pair of first side edges extending in a first direction and a pair of second side edges perpendicular to the first direction. The pair of wall portions stands to face the first side edges of the sheets. The loading plate is arranged in the sheet accommodating unit. Each of the pair of wall portions includes a first observation port for exposing one end of the first side edges of the sheets in the first direction and an one area of the inner part outer than the one end in the first direction to outside of the sheet accommodating unit.

主权项

1. A sheet stacking device, comprising:
a sheet accommodating unit having an open upper surface part and accommodating sheets therein through the upper surface part, the sheets having a pair of first side edges extending in a first direction and a pair of second side edges extending in a second direction perpendicular to the first direction; a pair of wall portions standing to face the pair of the first side edges of the sheets; and a loading plate arranged in the sheet accommodating unit and configured such that the sheets are to be placed on an upper surface of the loading plate; wherein each of the pair of wall portions includes a first observation port configured to allow an inner part of the sheet accommodating unit to be visible from outside of the sheet accommodating unit and configured to expose one end of the first side edges of the sheets in the first direction and an one area of the inner part outer than the one end in the first direction to the outside of the sheet accommodating unit.