PRINTING PLATE UNIT, PLATE CYLINDER DEVICE AND PRINTING PLATE UNIT AUTOMATIC ATTACHMENT DEVICE FOR PRINTER.

摘要

A printing plate unit automatic attachment device (81) is provided with the following: a pressing member (96) that is inserted from an opening part (33) for pressing member insertion and that presses an inner slider (36) in opposition to the impelling force of a printing plate connection member impelling device (35); a holding means (94) that holds and releases a printing plate unit (1) by holding and releasing a projecting part (11a) which serves as a gripping part provided at the printing plate unit (1); and a driving device (92) that causes the holding means (94) to move in a plate drive shaft axial-direction.