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公开(公告)号：EP0269802B1
公开(公告)日：1993-01-20
申请号：EP87113824.4
申请日：1987-09-22
发明人： Barela, Daniel Abran , Beran, Mark Alexander , Bustamante, Louis Andrew , McDonald, Cecil Michael , Reese, Ronald Ellison , Shepherd, Roger Dean
CPC分类号： B65H1/18 , B65H3/0833 , B65H3/0891
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2.发明公开
公开(公告)号：EP0269802A2
公开(公告)日：1988-06-08
申请号：EP87113824.4
申请日：1987-09-22
发明人： Barela, Daniel Abran , Beran, Mark Alexander , Bustamante, Louis Andrew , McDonald, Cecil Michael , Reese, Ronald Ellison , Shepherd, Roger Dean
CPC分类号： B65H1/18 , B65H3/0833 , B65H3/0891
摘要： Sheet feeder having adaptive mechanism for assuring dependable automatic operation when the stack of sheets to be fed consists of sheets having varying thicknesses and weights. In a sheet feeder having pickers (102) to move a document from the top of a stack of sheets supported by a moveable table (10) to a feedin position, the latter possibly including a vacuum belt (106) for moving the document, sensors (132, 134) supply signals to indicate a sheet has been picked. After moving the pickers and table to initial positions, the controller (150) moves the picker to a predetermined reference position. If a sheet is picked above or below the predetermined initial position, the position of the table is adjusted accordingly. In a second embodiment in a recirculating automatic sheet feeder, the table is initially positioned then after feeding the sheets from the stack once, it is initialized at a second predetermined position depending on the number of documents in the stack and on the position of the table prior to picking the documents a second time.
摘要翻译： 纸张馈送器具有用于确保待供纸的堆叠由具有变化的厚度和重量的片材确保可靠的自动操作的自适应机构。 在具有拾取器（102）的片材进给器中，所述拾取器（102）将文件从由可移动台（10）支撑的片材堆叠的顶部移动到馈送位置，后者可能包括用于移动文件的真空带（106） （132,134）提供信号以指示纸张被拾取。 在将拾取器和工作台移动到初始位置之后，控制器（150）将拾取器移动到预定的参考位置。 如果纸张被拾取高于或低于预定的初始位置，则相应地调整表的位置。 在循环自动送纸器的第二实施例中，桌子最初定位，然后在从纸叠一次送出纸张之后，根据堆叠中的文件数量和桌子的位置将其初始化在第二预定位置 在第二次挑选文件之前。
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公开(公告)号：EP0269802A3
公开(公告)日：1990-07-18
申请号：EP87113824.4
申请日：1987-09-22
发明人： Barela, Daniel Abran , Beran, Mark Alexander , Bustamante, Louis Andrew , McDonald, Cecil Michael , Reese, Ronald Ellison , Shepherd, Roger Dean
CPC分类号： B65H1/18 , B65H3/0833 , B65H3/0891
摘要： Sheet feeder having adaptive mechanism for assuring dependable automatic operation when the stack of sheets to be fed consists of sheets having varying thicknesses and weights. In a sheet feeder having pickers (102) to move a document from the top of a stack of sheets supported by a moveable table (10) to a feedin position, the latter possibly including a vacuum belt (106) for moving the document, sensors (132, 134) supply signals to indicate a sheet has been picked. After moving the pickers and table to initial positions, the controller (150) moves the picker to a predetermined reference position. If a sheet is picked above or below the predetermined initial position, the position of the table is adjusted accordingly. In a second embodiment in a recirculating automatic sheet feeder, the table is initially positioned then after feeding the sheets from the stack once, it is initialized at a second predetermined position depending on the number of documents in the stack and on the position of the table prior to picking the documents a second time.
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