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    • 11. 发明授权
    • Device for conveying a sheet through a printing machine
    • 用于通过印刷机输送片材的装置
    • US07234395B2
    • 2007-06-26
    • US11010053
    • 2004-12-10
    • Peter FörchMarkus MöhringerPaul NicolaMarius Stelter
    • Peter FörchMarkus MöhringerPaul NicolaMarius Stelter
    • B41F13/24
    • B41F21/102B65H29/041B65H29/045B65H2404/342B65H2801/21
    • A device for conveying a sheet through a printing machine includes a cylinder, formed with a channel wherein grippers are disposed for holding the sheet at a leading edge, a chain conveyor with grippers fixed to endless chains for holding and picking up the sheet at its leading edge from the cylinder and for holding the sheet at its trailing edge, and rotating sprockets carrying the chains. An actuating device is provided for opening and closing the grippers, and a drive is provided for the cylinder and the sprockets. Gripper pads and gripper tips for the trailing-edge grippers, in opened condition of the grippers, are able to run past the cylinder. The gripper pads and tips lie underneath a path described by the sheet. The trailing-edge grippers are closable in a rotational angle region wherein the chains run off the sprockets for the cylinder.
    • 用于通过印刷机输送片材的装置包括形成有通道的圆​​筒,其中夹持器被设置用于将片材保持在前缘;链条传送器,其具有固定到环形链的链条,用于在其前端保持和拾取片材 从圆柱体边缘并用于将片材保持在其后缘,并且旋转链轮承载链条。 提供用于打开和关闭夹具的致动装置,并且为气缸和链轮提供驱动装置。 在夹持器处于打开状态的后缘夹具的夹爪和夹具尖端能够穿过圆筒。 夹持器垫和尖端位于由片材描述的路径的下面。 后缘夹具可以在旋转角度区域中关闭,其中链条从用于气缸的链轮排出。