Sheet feeding or delivering – Feeding
Patent
1980-03-07
1981-11-17
Schacher, Richard A.
Sheet feeding or delivering
Feeding
271265, 271275, B65H 702
Patent
active
043007562
ABSTRACT:
An automated sheet-feed apparatus for feeding cut sheet paper to an automated printer includes apparatus for forming a predetermined length of buckle in the sheet of paper. The sheet-feed apparatus feeds the leading edge of a sheet of paper into a nip formed by the platen and the first set of pressure feed rollers of the printer. As feeding of the sheet of paper continues, a predetermined length of buckle is formed in the buckle chamber, at which time feeding by the sheet-feed apparatus is stopped. The printer platen drive system feeds the leading edge of the sheet through the nip and to a second nip formed by a second set of pressure feed rollers and the platen before the buckle is eliminated in the sheet of paper, and while the retard force from the sheet-feed apparatus is not apparent to the printer platen drive system.
REFERENCES:
patent: 2377525 (1945-06-01), Schutt
patent: 2860875 (1958-11-01), Staeger
patent: 3084931 (1963-04-01), Hanson
patent: 3863913 (1975-02-01), Hirafuji
patent: 4025187 (1977-05-01), Taylor
Danchak, Jr. Nicholas
Gray Roger M.
Kockler Barry C.
Saxinger Allan L.
Schacher Richard A,.
Xerox Corporation
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