Sheet stacking apparatus and image forming apparatus

Sheet feeding or delivering – Delivering – To receiver for pack of sheets

Reexamination Certificate

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C271S176000, C271S207000

Reexamination Certificate

active

10875214

ABSTRACT:
A sheet stacking apparatus including a sheet stacking tray for stacking sheets thereon, a first abutting member for abutting against the upper surface of the sheets stacked on the sheet stacking tray, and a second abutting member for abutting the underside of the sheets stacked on the sheet stacking tray, wherein the first abutting member operates in operative association with the operation of the second abutting member.

REFERENCES:
patent: 6170821 (2001-01-01), Kubota
patent: 6302606 (2001-10-01), Hayakawa et al.
patent: 6318718 (2001-11-01), Ogata et al.
patent: 6382616 (2002-05-01), Waragai et al.
patent: 6394448 (2002-05-01), Suzuki et al.
patent: 6661995 (2003-12-01), Isobe et al.
patent: 6663102 (2003-12-01), Takahashi et al.
patent: 7055818 (2006-06-01), Furusawa
patent: 2003/0185612 (2003-10-01), Sekiyama et al.
patent: 2004/0022567 (2004-02-01), Fukatsu et al.
patent: 2004/0080739 (2004-04-01), Sekiyama et al.
patent: 2004/0104528 (2004-06-01), Fukatsu et al.
patent: 61-217462 (1986-09-01), None
patent: 2001-72302 (2001-03-01), None

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