Sheet feeding or delivering – Delivering – To receiver for pack of sheets
Patent
1997-03-26
1999-12-21
Bollinger, David H.
Sheet feeding or delivering
Delivering
To receiver for pack of sheets
271217, B65H 4304
Patent
active
060038616
ABSTRACT:
A sheet loading apparatus includes an ejecting unit for ejecting sheets from an image forming apparatus onto a tray, a non-contact distance measuring unit disposed on the tray to measure the distance between the upper surface of the sheet bundle on the tray and a predetermined position, a lifting unit for vertically shifting the tray, and a unit for performing sheet loading abnormality detection on the tray, vertical shift control for the tray, sheet presence/absence detection on the tray, and sheet loading amount detection on the tray in accordance with the distance measuring result of the distance measuring unit.
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patent: 4229650 (1980-10-01), Yuji et al.
patent: 5017972 (1991-05-01), Daughton et al.
Fotoelektrisch Steuerung von Papier-und Pappenstapeln; Elektrotechnick; Oct. 12, 1996; No. 33; pp. 772-773.
Patent Abstracts of Japan; translation of abstract for Japanese Patent Publication No. 07-172684, published Jul. 11, 1995.
Patent Abstracts of Japan; translation of abstract for Japanese Patent Publication No. 60-098451, published Jun. 1, 1985.
Furukawa Hideaki
Iizumi Kenichi
Nakazawa Noriaki
Bollinger David H.
Canon Aptex Kabushiki Kaisha
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