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    • 4. 发明授权
    • Rotary printing machine
    • 旋转印刷机
    • US4037531A
    • 1977-07-26
    • US601933
    • 1975-08-04
    • Gerhard Ritzerfeld
    • Gerhard Ritzerfeld
    • B41L17/02B41L17/22B41L47/46
    • B41L17/22
    • The printing machine includes a cyclically moving printing member having a printing surface, particularly a rotating printing roller carrying a lithographic printing form, and an inking arrangement for inking the printing surface. A counterpressure member is mounted for movement into an operative position in which it presses towards the inked printing surface so as to press an item to be printed against the inked printing surface. A feeding arrangement feeds an item to be printed into the space intermediate the printing surface and the counterpressure member. A synchronizing arrangement is coupleable to the cyclically moving printing member by a controllable coupling device so as to be driven by the cyclically moving printing member. When so coupled and driven, it is operative for causing the counterpressure member to move into operative position in synchronization with the movement of the printing member. A control arrangement controls the controllable coupling device and accordingly the driving connection between the cyclically moving printing member and the synchronizing arrangement in dependence upon the actual feeding of the item to be printed.
    • 印刷机包括具有印刷表面的循环移动的印刷部件,特别是承载平版印刷形式的旋转印刷辊,以及用于使印刷表面上色的着色装置。 安装反压构件用于移动到操作位置,在该操作位置中,反压力构件朝向着墨的打印表面按压,以将待打印的物品压靠在着墨的打印表面上。 馈送装置将要打印的物品馈送到打印表面和反压构件之间的空间。 同步装置通过可控耦合装置与循环移动的印刷部件连接,以便被循环移动的印刷部件驱动。 当这样联接和驱动时,它可操作地使反压构件与打印构件的运动同步地移动到操作位置。 控制装置根据待打印物品的实际进给,控制可控制的联接装​​置,并因此控制循环移动的打印部件与同步装置之间的驱动连接。