Sheet feeding or delivering – Feeding – Multiple supplies
Patent
1995-06-02
1998-03-10
Terrell, William E.
Sheet feeding or delivering
Feeding
Multiple supplies
271 65, 271902, 271186, 271225, 271213, B65H 500
Patent
active
057252076
ABSTRACT:
A feeding/discharging device designed for an image forming apparatus includes an inner tray and an outer tray which also serves as a feed tray, for receiving sheets discharged from the image forming apparatus. In the main body of the image forming apparatus, a transportation system is formed above a feed cassette, and an inner tray is provided in a sheet discharge section formed above the transportation system. The outer tray is mounted to an external section of the main body so as to be freely rotatable. The outer tray is formed at a different level from the inner tray, and there is a gap defined betwen the inner tray and the outer tray. The outer tray is positioned below the inner tray, and in such a manner that the outer tray is positioned below the inner tray at the gap between the inner tray and the outer tray, thereby forming an opening in the gap, which leads to a transportation roller of the transportation system. In the both-sided copy mode, sheets placed over the inner tray and the outer tray are displaced in a sheet discharge direction so as to be inserted into the opening for feeding the sheets. The described sheet feeding/discharging device offers an easy handling of sheets. Moreover, the sheets supplied from the feed cassette and the outer tray can be transported through the common transportation system. Further, by forming the transportation system and the inner tray above the feed cassette, the entire apparatus can be miniaturized.
REFERENCES:
patent: 4740817 (1988-04-01), Suzuki et al.
patent: 4754293 (1988-06-01), Aizawa et al.
patent: 5052678 (1991-10-01), Looney
patent: 5069435 (1991-12-01), Mizutami
patent: 5111252 (1992-05-01), Hamada et al.
patent: 5222722 (1993-06-01), Kamano
Sharp Kabushiki Kaisha
Terrell William E.
Tran Khoi H.
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