In-feed paper buckle control apparatus

Details In-feed paper buckle control apparatus In-feed paper buckle control apparatus

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

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