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1. 发明授权

US4753564A Apparatus and method for effecting movement of selected tiers of stacked articles using pressure differentials 失效
标题翻译：使用压力差来实现层叠物品层的移动的装置和方法
公开(公告)号：US4753564A
公开(公告)日：1988-06-28
申请号：US6113
申请日：1987-01-23
申请人： Ronald A. Pearce , Milton W. Kapke , William M. Jacoby
发明人： Ronald A. Pearce , Milton W. Kapke , William M. Jacoby
IPC分类号： B65G59/04 , B65G60/00
CPC分类号： B65G59/04
摘要： Apparatus and method are disclosed for relative movement between stacked articles and a reference surface upon which the articles are stacked. Some, or all, independently movable layers, or tiers, of the stack of articles are received by a suspending device that includes a partial enclosure connected with a high pressure air pump capable of reducing the fluid pressure to establish a pressure differential within the partial enclosure. The partial enclosure has flexible sealing strips extending from, and coextensive with, the bottom edge of movable sections of the partial enclosure, and the sealing strips are positioned adjacent to the lowest tier to be acted upon by the suspending device. Upon creation of reduced pressure within the partial enclosure, lift is thereby maintained at the bottom surface of the selected tier having the sealing strips positioned adjacent thereto (with the surface below the selected tier then being a reference surface) so that, when relative movement having a vertical component is effected between the selected tier of articles and the reference surface, the selected tier (and all tiers stacked on the selected tier) can either be lifted or caused to remain substantially in place to allow other operations for arranging a desired load, for example removal and/or insertion of slip sheets, pallets, and/or stacked articles of a different variety, to be carried out.
摘要翻译：公开了用于堆叠制品与物品堆叠在其上的参考表面之间的相对运动的装置和方法。物品堆叠的一些或全部可独立移动的层或层可由悬挂装置接收，悬挂装置包括与高压空气泵连接的部分外壳，能够降低流体压力以在部分外壳内建立压力差。部分外壳具有从部分外壳的可移动部分的底部边缘延伸并且与之共同延伸的柔性密封条，并且密封条被定位成与被悬挂装置作用的最低层相邻。当在部分外壳内产生减压时，升高由此保持在所选择的层的底表面上，其中密封条位于其邻近位置（其中所选层的表面低于参考表面），使得当相对运动具有在所选择的物品层与参考表面之间实现垂直分量，所选择的层（以及堆叠在所选择的层上的所有层）可以被提升或导致保持基本就位，以允许其他操作来布置期望的载荷，例如去除和/或插入要进行的不同种类的滑动片，托盘和/或堆叠制品。

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