SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME

A sheet processing apparatus includes a conveying portion; a conveying path for sheets conveyed by the conveying portion; a stack portion where sheets discharged from the conveying path are stacked; a first binding portion moving in a crossing direction crossing the conveying direction; a first regulating portion regulating a position of a sheet bundle stacked on the stack portion; a first guide member guiding the first regulating portion; a second regulating portion regulating a position of a sheet bundle on the stack portion in the crossing direction; a second guide member guiding the second regulating portion; a third regulating portion regulating a position of a sheet bundle on the stack portion in the conveying direction; and a second binding portion binding a corner portion of a sheet bundle without a staple. The first binding portion binds a corner portion of a sheet bundle by a staple.

一种纸张处理设备，包括：输送部；供该输送部输送纸张的输送路径；承接该输送路径排出纸张的堆叠部；沿与输送方向相交的交叉方向移动的第一装订部；用于调节堆叠于该堆叠部的纸堆位置的第一调节部件；用于导引该第一调节部件的第一导引构件；用于沿交叉方向调节该堆叠部上纸堆位置的第二调节部件；用于导引该第二调节部件的第二导引构件；用于沿输送方向调节该堆叠部上纸堆位置的第三调节部件；以及第二装订部，该第二装订部可在不使用订书钉的情况下装订纸堆的边角部位。其中，第一装订部通过订书钉装订纸堆的边角部位。