Actuated pressure roller in media transport

Details Actuated pressure roller in media transport Actuated pressure roller in media transport

2008-05-06

2008-05-06

Colilla, Daniel J. (Department: 2854)

Typewriting machines

Sheet or web

For feeding sheet from stack or pack holder

C400S624000, C400S636000, C347S104000

Reexamination Certificate

active

07367733

ABSTRACT:
An apparatus for transporting a sheet recording medium (12) has an entrance drive roller (16) paired with a corresponding entrance pressure roller (18) to form an entrance nip (14) for transporting the sheet recording medium (12) into a scanning section (20) between the entrance nip (14) and an exit nip (24). The exit nip (24) is formed by an exit drive roller (26) with a corresponding exit pressure roller (28) for transporting the recording medium (12) out from the scanning section (20). At each end of the entrance pressure roller (18), an entrance pressure roller actuation arm (120) actuates the entrance pressure roller (18) to exert variable force against the entrance drive roller (16). At each end of the exit pressure roller (28), an exit pressure roller actuation arm (130) actuates the exit pressure roller (28) to exert variable force against the exit drive roller (26).

REFERENCES:
patent: 6343787 (2002-02-01), Kato et al.
patent: 6505833 (2003-01-01), Kato et al.
patent: 6526239 (2003-02-01), Shiiya
patent: 2003/086921 (2003-10-01), None

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