| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide the opening and closing door structure of a printing machine having an opening having an opening area capble of being expanded while securing rigidity at the time of closing an opening and closing door. <P>SOLUTION: In this door structure, an opening and closing scaffold 40 by which the whole opening 21 opened to both an impression cylinder and an intermediate cylinder 10 can be opened and closed is provided, and in addition, a kneeling stand 50 which is opened and closed by being overlapped with the opening and closing scaffold 40 is also provided. By closing in a state that both the scaffold and the stand overlap with each other, the strength of a portion at which the kneeling stand 50 is provided can be improved. In addition, since the kneeling stand 50 can be opened and closed when necessary, in a state that an opening which is not so large 21 is necessary, the kneeling stand 50 is kept in a closed state, while, in a state that the larger opening 21 is necessary, the kneeling stand 50 is opened, resulting in enabling to enlarge the opening area of the opening 21. Consequently, the opening area of the opening 21 can be expanded while securing the rigidity at the closing of the opening and closing scaffold 40 being the opening and closing door. <P>COPYRIGHT: (C)2009,JPO&INPIT |
