Pivoting roller for skewless document feed

Details Pivoting roller for skewless document feed Pivoting roller for skewless document feed

1997-04-15

1998-08-18

Eickholt, Eugene H.

Typewriting machines

Sheet or web

Including friction-feed means

400624, 271125, 271250, B41J 1302

Patent

active

057950873

ABSTRACT:
A pressure roller drive assembly for a document printer having a pressure roller carried by a pressure roller axle for advancing and retracting a document along a paper path, with the pressure roller pivoting in a first direction towards a side wall to prevent skew or misalignment during advancement of the document and the pressure roller pivoting in a second, opposite direction towards a side wall to prevent skew or misalignment during retraction of the document is disclosed.

REFERENCES:
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patent: 5507482 (1996-04-01), Tenpaku et al.
patent: 5524994 (1996-06-01), Hirano et al.
patent: 5660489 (1997-08-01), Ishii et al.
"Skewed Drive", IBM Technical Disclosure Bulletin; vol. 23, No. 5, pp. 1817-1819 Oct. 1980.
"Pivoting Registration Roll for Bidirectional Registering Sheet Feed", IBM Technical Disclosure Bulletin, vol. 26 No. 7A p. 3133 Dec. 1983.
"Improved Bidirectional Document Aligner", IBM Technical Disclosure Bulletin, vol. 30, No. 5 pp. 339-340 Oct. 1987.

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