07-01-2016 дата публикации
Номер: US20160002001A1
A sheet post-processing device includes a tray, an evacuating member, a regulating member mounted on the tray, and a feed mechanism. The tray can receive sheets thereon. The evacuating member temporarily evacuates, from a conveyance path, sheets being conveyed, stacks the evacuated sheets into a pile, and conveys the pile of sheets onto the tray through the conveyance path. The feed mechanism includes a spongy elastic member and moves the pile of sheets along the tray toward the regulating member. When stacking three or more sheets into a pile, the evacuating member performs the stacking such that, in the pile conveyed to the tray, an edge of each intermediate sheet protrudes toward the regulating member beyond an edge of an uppermost sheet and an edge of a lowermost sheet. 1. A sheet post-processing device that performs post-processing on printed sheets , the sheet post-processing device comprising:a tray configured to receive sheets thereon, temporarily evacuate, from a conveyance path, sheets being conveyed,', 'stack the evacuated sheets into a pile, and', 'convey the pile of sheets onto the tray through the conveyance path;, 'an evacuating member configured to'}a regulating member mounted on the tray; anda feed mechanism that includes a spongy elastic member and configured to move the pile of sheets along the tray toward the regulating member, whereinwhen stacking three or more sheets into a pile, the evacuating member performs the stacking such that, in the pile conveyed to the tray, an edge of each intermediate sheet protrudes toward the regulating member beyond an edge of an uppermost sheet and an edge of a lowermost sheet.2. The sheet post-processing device according to claim 1 , further comprisingan ejection roller configured to move sheets on the tray in a direction opposite to a direction in which the sheets are moved by the feed mechanism.3. The sheet post-processing device according to claim 2 , whereinthe feed mechanism includes a feed roller being a ...
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