Dot line printer with paper slack elimination mechanism

Details Dot line printer with paper slack elimination mechanism Dot line printer with paper slack elimination mechanism

1991-05-22

1993-06-01

Burr, Edgar S.

Typewriting machines

Sheet or web

For feeding web record-medium

400636, 400649, 226 49, B41J 1516

Patent

active

052153924

ABSTRACT:
In a dot matrix line printer, a pair of pin tractors for feeding a print paper are operatively connected to a paper feed motor, and a tension roller mechanism disposed beneath a platen is operatively connected to a separately provided drive motor. To eliminate a paper slack which may occur when the feeding of the print paper is stopped after creating many blank lines, the drive motor is energized for a short period of time immediately before the paper feeding is ended. The tension roller mechanism which is made up of a plurality of rollers pulls the print paper in a direction opposite the paper feeding direction to thus prevent the print paper from slackening.

REFERENCES:
patent: 4896980 (1990-01-01), Sanders, Jr. et al.
IBM Technical Disclosure Bulletin vol. 22, No. 7 Dec. 1979.

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