Paper feeding apparatus for printers having a bail roller means

Details Paper feeding apparatus for printers having a bail roller means Paper feeding apparatus for printers having a bail roller means

1992-09-11

1993-06-22

Burr, Edgar S.

Typewriting machines

Sheet or web

For feeding web record-medium

4006321, 400636, 4006391, B41J 1320

Patent

active

052211509

ABSTRACT:
A paper feeding apparatus for feeding fanfold paper to a printer is provided. A cylindrical platen is rotatably mounted in the printer. A paper feeding tractor is provided upstream from the platen in a paper feeding direction. A power mechanism drives the platen and the paper feeding tractor. A pair of rollers is located above the platen downstream from the platen in the paper feeding direction. One of the rollers is coupled to the power mechanism causing it to rotate with a circumferential speed which is greater than or equal to the circumferential speed of the platen. A pressing member presses the fanfold paper which is fed out from the platen towards the rollers.

REFERENCES:
patent: 3722655 (1973-03-01), Singer
patent: 4026405 (1977-05-01), de Poncins
patent: 4085837 (1978-04-01), Takano et al.
patent: 4195940 (1980-04-01), Rekewitz
patent: 4197024 (1980-04-01), Huntoon
patent: 4266880 (1981-05-01), Buchanan
patent: 4569611 (1986-02-01), Watanabe et al.
patent: 4657420 (1987-04-01), Kondo
patent: 4684277 (1987-08-01), Edstrom et al.
patent: 4688957 (1987-08-01), Prevignano
patent: 4753380 (1988-06-01), Mitcham
patent: 4761087 (1988-08-01), Ward et al.
IBM Technical Disclosure Bulletin "Non-Shingling Forms-Feed Tractor", vol. 27 No. 12 May 1985, p. 7111.
IBM Technical Disclosure Bulletin, "Torque Sensing and Control", vol. 29 No. 11, Apr. 1987, pp. 4771-4773.

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