Sheet stacking device with vertically movable tray

Details Sheet stacking device with vertically movable tray Sheet stacking device with vertically movable tray

1993-03-31

1994-06-14

Look, Edward K.

Sheet-material associating

Associating or disassociating

Sheet associating

270 53, B65H 3902, B42B 200

Patent

active

053203364

ABSTRACT:
A device for stacking sheets sequentially driven out of an image forming apparatus on a tray. The device is capable of stacking both of stapled sheets and non-stapled sheets accurately without damaging them. In a stapling mode, the tray is positioned at a home position in which the top surface of the tray or the top-most sheet in the tray is spaced apart from a positioning roller a distance greater than a thickness of a maximum number of sheets which can be stapled together.

REFERENCES:
patent: 4993697 (1991-02-01), Yamashita et al.
patent: 4994865 (1991-02-01), Nishimori et al.
patent: 5026034 (1991-06-01), Russel et al.
patent: 5098074 (1992-03-01), Mandel et al.
patent: 5263697 (1993-11-01), Yamazaki et al.

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