Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1993-11-01
1995-12-26
Terrell, William E.
Sheet feeding or delivering
Feeding
Separator and conveyor
271 94, 271 96, 271 99, 271104, 271105, 271106, 271108, 271263, 271902, B65H 508
Patent
active
054780667
ABSTRACT:
The present invention provides a sheet supply apparatus with a sheet support for supporting a plurality of sheets, a first sheet absorb unit arranged facing a sheet surface of the sheet stack supported by the sheet support for absorbing the sheet by air suction, a second sheet absorb unit arranged facing a tip end of the sheet stack in a sheet supply direction for absorbing the sheet by air suction and a conveyer for conveying the sheet absorbed to the first and second sheet absorb units. The first sheet absorb unit and the second sheet absorb unit are respectively disposed at positions where the first sheet absorb unit is substantially parallel to the sheet surface and the second sheet absorb unit is inclined relative to the sheet surface. When a sheet stops a feeding unit operates in response to return the sheet to the sheet stack as the sheet is being absorbed by the first sheet absorb unit.
REFERENCES:
patent: 3961784 (1976-06-01), Serak et al.
patent: 4014537 (1977-03-01), Stange
patent: 4159782 (1979-07-01), Swartzendruber
patent: 4432540 (1984-02-01), Akers et al.
patent: 4596385 (1986-06-01), Silverberg
patent: 5139253 (1992-08-01), Bohme et al.
Anderson et al., Document Feeder and Separator, IBM Technical Disclosure Bulletin, vol. 6 No. 2, pp. 32-33, 1963.
Aoyama Takeshi
Kominato Ryusei
Takahara Hiroyuki
Tanaka Makoto
Ubayashi Shinsuke
Canon Kabushiki Kaisha
Druzbick Carol L.
Terrell William E.
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