Image exposure apparatus

Details Image exposure apparatus Image exposure apparatus

2005-03-01

2005-03-01

Eickholt, Eugene H. (Department: 2854)

Printing

Processes

Position or alignment

C101S477000, C101S415100, C271S238000, C271S250000

Reexamination Certificate

active

06860204

ABSTRACT:
An image exposure apparatus has a rotating drum for winding a printing plate on which an image is recorded; a punch unit for forming punched holes to be used for positioning in printing processing on the printing plate; a conveying guide unit having a guide section that selectively moves to a first position facing the punch unit and a second position facing the rotating drum to guide a printing plate to the selected position so as to supply the printing plate; a width direction moving unit for moving in a width direction while a conveying pin is in contact with a width direction edge of the printing plate that is put on the conveying guide unit; a reference pin moving unit having a reference pin disposed at an opposite side of the width direction moving unit for defining the width direction edge of the printing plate, the reference pin moving unit moving the reference pin in accordance with a size of the printing plate; and a home position sensor mounted on a fixing portion independently of the conveying guide unit for detecting a home position of the reference pin.

REFERENCES:
patent: 4727806 (1988-03-01), Green, Sr.
patent: 5255607 (1993-10-01), Nishiyama et al.
patent: 5479858 (1996-01-01), Beisel et al.
patent: 6418849 (2002-07-01), Fukui
patent: 6474236 (2002-11-01), Naniwa et al.
patent: 6766742 (2004-07-01), Hashiguchi
patent: 2001-356489 (2001-12-01), None

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