Sheet conveying apparatus and image forming apparatus

Details Sheet conveying apparatus and image forming apparatus Sheet conveying apparatus and image forming apparatus

2008-09-09

2008-09-09

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Feeding

With means to align sheet

C271S273000

Reexamination Certificate

active

10885719

ABSTRACT:
A sheet conveying apparatus has a detection unit for detecting an inclination to a sheet conveying direction of a sheet; an inclination correction unit for correcting the inclination of the sheet by rotating which nipping the sheet based on a detection signal from the detection unit; a first conveying unit, which nips and conveys the sheet upstream of the inclination correction unit; a first nipping release unit for releasing a nipping state of the first sheet conveying unit; a second conveying unit which is provided downstream of the inclination correction unit and nips and conveys the sheet; a second nipping release unit for releasing the nipping state of the second sheet conveying unit; and a control unit for controlling the first nipping release unit and the second nipping release unit to selectively release the sheet nipping state of the first sheet conveying unit and the second sheet conveying unit according to an inclination correction operation by the inclination correction unit.

REFERENCES:
patent: 5094442 (1992-03-01), Kamprath et al.
patent: 5557369 (1996-09-01), Shiga et al.
patent: 5673911 (1997-10-01), Loftus et al.
patent: 6173952 (2001-01-01), Richards et al.
patent: 6-234441 (1994-08-01), None
patent: 10-67448 (1998-03-01), None

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