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1.发明授权Apparatus including a roller for shaking and loosening flat articles in a stack for facilitating removal of an article from the stack 失效装置包括用于摇动和松开堆叠中的扁平制品的辊，用于便于将物品从堆叠中取出
公开(公告)号：US5954324A
公开(公告)日：1999-09-21
申请号：US790978
申请日：1997-01-30
CPC分类号： B65H3/0653 , B65H3/0646 , B65H2701/1916
摘要： In an arrangement for separation of items bearing printed matter, in particular letters deposited on edge behind one another in a letter stack, supplied laterally from the letter stack to a separation apparatus and then to a subsequent apparatus such as a postage meter machine, a pre-separation stage is provided before the separation apparatus. The letters are arranged between a spring-mounted pressure clip and a drive roller, as well as a guide plate. The pre-separation stage loosens the letter stack and permits a simple, reliable letter-by-letter separation of the letters from the letter stack. The pre-separation stage includes at least one drive roller having an outer contour with at least one projection extending over the length of the roller parallel to its axis of rotation. The curve of the jacket of the drive roller protrudes through the opening of the guide plate far enough so that at least one projection protrudes from the opening. Due to the protruding outer contour, the letter stack is sufficiently shaken, and the frictional forces and forces of adhesion that work counter to the transport forces are overcome. The force applied to the letter stack in the pre-separation stage can be adjusted by adjusting the lift of the drive roller on the letter stack.
摘要翻译： 在用于分离带有印刷品的物品的装置中，特别是在信纸堆叠中彼此堆叠的字母的信件，从信纸堆叠侧向提供到分离装置，然后到后续的装置，例如邮资计量机器 在分离装置之前提供分离级。 这些字母布置在弹簧安装的压力夹和驱动辊之间以及导板之间。 预分离阶段松开字母堆栈，并允许字母从字母堆栈中简单可靠的逐字母分隔。 预分离阶段包括至少一个具有外轮廓的驱动辊，该外轮廓具有平行于其旋转轴线延伸超过辊的长度的至少一个突起。 驱动辊的护套的曲线突出穿过引导板的开口足够远，使得至少一个突起从开口突出。 由于突出的外轮廓，字母堆被充分摇动，克服了与传送力相反的摩擦力和粘附力。 可以通过调整信纸堆上的驱动辊的升程来调节施加到预分离阶段中的信纸堆的力。
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