Paper moving system for a printer/plotter

Details Paper moving system for a printer/plotter Paper moving system for a printer/plotter

1992-12-23

1994-08-30

Burr, Edgar S.

Typewriting machines

Sheet or web

Including friction-feed means

220172, 220174, 220176, 400634, B41J 1308

Patent

active

053421337

ABSTRACT:
A paper moving system for a computer driven printer/plotter comprises a paper pinching assembly positioned at the two oppositely facing edges of the paper adjacent the print zone 10. The edges of the paper are fed through each assembly where the paper is gripped between a lubricous shim plate 52 and a straight stretch of a paper drive belt 42 which frictionally engages the paper. The belts of each assembly are biased toward the shim plates by a spring urged rail 50 to hold the belts in non-slip engagement with the paper. The paper is tensioned edge to edge by the assemblies so that a paper table or platen underneath the print zone is unnecessary.

REFERENCES:
patent: 4109779 (1978-08-01), Bauer et al.
patent: 4821049 (1989-04-01), Eckl
patent: 5133616 (1992-07-01), Oyaide et al.
patent: 5184907 (1993-02-01), Hamada et al.

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