公开(公告)号：US4887531A

公开(公告)日：1989-12-19

申请号：US266762

申请日：1988-11-03

申请人： Haruo Ichikawa ,  Ryoichi Kanno ,  Masayuki Kiyomiya

发明人： Haruo Ichikawa ,  Ryoichi Kanno ,  Masayuki Kiyomiya

IPC分类号： B41F13/24 ,  B41F13/44

CPC分类号： B41F13/44 ,  Y10S101/35

摘要： A rotary printing machine body is provided with a U-shaped longitudinal portion for mounting an interchangeable drum unit. A pair of left and right interchangeable drum unit moving devices are mounted on the left and right printing machine body frames and adapted to move an interchangeable drum unit resting on a carriage into the mounting portion formed in the printing machine body and to move an interchangeable drum unit from the mounting portion onto the carriage. A pair of left and right fixing devices are also provided for fixing the interchangeable drum unit in the mounting portion to the printing machine body.