Patent ID: 6685180
Filing Date: 2004-02-03
Classification: B65H

Abstract:
A sheet post-processing apparatus for post-processing sheets ejected from an apparatus, comprising:a placing tray for placing a sheet thereon, means for dropping the sheet onto the placing tray immediately after the sheet is ejected from said apparatus, said means being located above the placing tray and including a lateral shaft, arms attached to the shaft, and a device attached to the shaft for rotating the same so that the arms push the sheet onto the placing tray immediately after the sheet is ejected. supporting means disposed above the placing tray and having a support position and a retreat position, said supporting means being able to move between the support position and the retreat position so that the supporting means in the support position supports one side of the sheet ejected to the placing tray and allows in the retreat position to drop the sheet onto the placing tray, post-processing means fixedly disposed at one side of the supporting means and applying post-processing to the sheet supported on the supporting means, sheet shift means situated near the post-processing means, said sheet shift means laterally moving the sheet supported on the supporting means into the post-processing means and moving the sheet after the post-processing outside the post-processing means, and control means for controlling the sheet shift means to move the sheet to and from the post-processing means, and the supporting means to move to the retreat position.