Patent ID: 8403323
Filing Date: 2013-03-26
Classification: B65H

Abstract:
1. A sheet stacking device, comprising: a sheet receiving plane for supporting stacked sheets; a sheet depositing member for depositing sheets onto the sheet receiving plane; and at least one first pressing member and at least one second pressing member, each arranged for releasing an edge of a previously deposited sheet and pressing down an edge of a new sheet onto said previously deposited sheet above the receiving plane, wherein the at least one second pressing member is adapted to release a sheet and to engage with a new sheet with a time delay with respect to the at least one first pressing member such that: the at least one first pressing member releases said edge of a previously deposited sheet while the at least one second pressing member presses down said edge, and the at least one second pressing member releases said edge of a previously deposited sheet while the at least one first pressing member presses down said edge of a new sheet onto said previously deposited sheet, and wherein the at least one second pressing member is adapted to be retracted from a sheet engaging position in a direction towards a stop member for aligning said edge of said previously deposited sheet.