Conveyer and image recording apparatus

Details Conveyer and image recording apparatus Conveyer and image recording apparatus

2005-03-10

2008-12-23

Mackey, Patrick H (Department: 3653)

Sheet feeding or delivering

Feeding

With means to align sheet

C271S246000, C271S227000

Reexamination Certificate

active

07467793

ABSTRACT:
On a paper path in a photo printer, a skew corrector is provided to correct skew of recording sheets simultaneously in two lines. The skew corrector consists of a first conveyer roller pair, a second conveyer roller pair and a strike guide. The recording sheets are conveyed by the first conveyer roller pair after their leading edges strike on the strike guide, to bend the recording sheets flexibly between the first conveyer roller pair and the strike guide, thereby to correct skew of each recording sheet. A necessary transport amount for correcting the skew of the recording sheet is calculated on each line based on detection signals from photo sensors, which are disposed between the first and second conveyer roller pairs, and a width of the recording sheet. The recording sheets of the respective lines are conveyed by the largest necessary transport amount among the calculated ones.

REFERENCES:
patent: 5918876 (1999-07-01), Maruyama et al.
patent: 5967506 (1999-10-01), Miki et al.
patent: 6356735 (2002-03-01), Hozumi
patent: 6409400 (2002-06-01), Arai
patent: 2003/0179351 (2003-09-01), Morita
patent: 2001-174927 (2001-06-01), None

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