Patent ID: 7074005

Claim:
A printing plate stacking device for receiving a printing plate from a discharge opening of a printing plate processor and leaning and stacking the printing plate against a support, the printing plate stacking device comprising: a loading portion including a top surface disposed at an inclination for receiving the printing plate thereon the loading portion being disposable so as to oppose the support in a state of being inclined; a head portion disposed in a vicinity of the discharge opening on an extension of the inclination of the loading portion, and guiding the printing plate discharged from the discharge opening to the loading portion; a plate detecting device provided at the head portion and detecting discharge of the printing plate from the discharge opening; a supporting and guiding device provided at the loading portion, the supporting and guiding device including movable hooks for abutting a discharging direction leading end of the printing plate, the supporting and guiding device supporting and moving the printing plate downward along the top surface of the loading portion by moving the hooks; a reversing device which tilts the printing plate over toward the support after the printing plate has been received on the loading portion; an intermediate guide portion provided so as to be attachable and removable between the head portion and the loading portion, for adjusting spacing between the head portion and the loading portion in accordance with a length of the printing plate along the discharging direction of the printing plate; and a control device operating the supporting and guiding device at a timing based on detection results from the plate detecting device and the spacing between the head portion and the loading portion.