Sheet feeding or delivering – Feeding – Separators
Patent
1985-07-01
1987-03-31
Schacher, Richard A.
Sheet feeding or delivering
Feeding
Separators
271119, 271122, 271146, 271166, B65H 306
Patent
active
046537422
ABSTRACT:
This invention relates to a apparatus for separating and feeding sheets such as sheets of paper comprising an accommodation box for accommodating the sheets of paper stacked by their own weight, a pick-up roller provided so that the upper surface thereof projects into the interior of the box to bear the weight of the stacked sheets of paper, a separation arrangement comprising a frictional roller and the feed roller and provided so as to face an ejection port of the accommodation box from which sheets are sent out to the separation arrangement, and a support arrangement disposed on the side opposite to the ejection port supports the end, opposite to the ejection port, of the sheets of paper, and for allowing the lowermost sheet end to be free of the weight of the sheet thereabove when the lowermost sheet is moved to the ejection port side so that frictional resistance of the lowermost sheet is reduced greatly and the pick-up roller can surely pick up and convey the sheet one by one from the lower side of the sheets. The support arrangement comprises a roller freely rotating or a roller driven by a driving device, the latter have a circular or elliptical cross-sectional shape. The elliptical roller vibrate the end portion of the sheets opposite to the ejection port to make gaps therebetween.
REFERENCES:
patent: 1291074 (1919-01-01), Milmoe
patent: 2764409 (1956-09-01), La Bombard
patent: 3334890 (1967-08-01), La Bombard
patent: 3578314 (1971-05-01), Ward
patent: 3976291 (1976-08-01), Bernardi
patent: 4021032 (1977-05-01), Gross
patent: 4034975 (1977-07-01), Agnew
patent: 4437658 (1984-03-01), Olson
patent: 4494745 (1985-01-01), Ward
Fukudome Yoshio
Kawauchi Masataka
Mirubayashi Toshio
Sasaki Naoya
Suzuki Yoichi
Hitachi , Ltd.
Schacher Richard A,.
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