发明名称 Sheet stacking apparatus
摘要 A sheet stacking apparatus including a first tray on which sheets discharged from an outlet are stacked, the first tray being movable between a stacking position at which sheets discharged from an outlet are stacked and a first retracted position above the stacking position; a second tray on which sheets discharged from an outlet are stacked, the first tray being disposed below the first tray and being movable independently of the first tray, the second tray being movable between the stacking position and a second retracted position below the stacking position; and a controller that causes the second tray to descend when the sheets are to be stacked on the first tray, the controller causing the second tray to stop descending when the second tray reaches a standby position where a distance between the outlet and a top surface of the sheets stacked on the second tray is a predetermined distance.
申请公布号 US7377511(B2) 申请公布日期 2008.05.27
申请号 US20060452950 申请日期 2006.06.15
申请人 发明人
分类号 B65H39/10;B65H31/10;B65H33/16 主分类号 B65H39/10
代理机构 代理人
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