Patent ID: 9102135
Filing Date: 2015-08-11
Classification: B41F,B41P

Abstract:
1. A plate attachment device to be fixed to a plate drive shaft of a printing machine for attaching a printing plate including a cylindrical plate main body and a printing portion formed on a part of an outer peripheral portion of the cylindrical plate main body, comprising: a plate cylinder configured to be fixedly mounted on an outer periphery of the plate drive shaft and having a cylindrical plate attaching surface to which the printing plate is to be attached from a tip end side of the plate drive shaft; and a plurality of plate securing members arranged at the plate attaching surface so as to extend in a rectangular shape along an axial direction of the plate cylinder, to be movable in both radially outward and inward directions of the plate cylinder, and configured to come into contact with the printing plate attached to the plate attaching surface to increase a diameter of the printing plate to closely attach the printing plate to the plate attaching surface; wherein the plate attaching surface includes a portion not including the plurality of plate securing members, and the portion not including the plurality of plate securing members is configured to not be movable in both the radially outward and inward directions of the plate cylinder.