Patent ID: 6766742
Filing Date: 2004-07-27
Classification: B41C,B65H,G03F

Abstract:
An image exposure apparatus comprising:a plate feed guide that conveys a printing plate for recording an image by an exposure head to a rotating drum for winding and a punch unit for forming punched holes to be used for positioning, the punch unit being provided upper the rotating drum; a width direction moving unit that moves a conveying pin in a width direction of the printing plate while the conveying pin is in contact with a width direction edge of the printing plate, the width direction moving unit being put on the plate feed guide; and a reference pin disposed at an opposite side of the width direction moving unit for defining the width direction edge of the printing plate, wherein the width direction moving unit comprises: a moving member moved by a driving motor in the width direction of the printing plate; pressurizing means for enabling the conveying pin supported by the moving member in a direction of the printing plate; a plurality of pin position detecting sensors that detects a moving position of the conveying pin wherein the moving member moves forward in the direction of the printing plate and the conveying pin is moved by coming into contact with the width direction edge of the printing plate; and control means having input means for entering a sort of the printing plate, the control means stopping the driving motor in accordance with a detection signal generated from the pin position detection sensor associated with the sort of the printing plate entered through the input means of the plurality of pin position detecting sensors.