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2. 发明授权

US5257776A Device for feeding sheets having a detecting means for detecting misfeeds 失效
标题翻译：用于进给纸的装置，具有用于检测卡纸的检测装置
公开(公告)号：US5257776A
公开(公告)日：1993-11-02
申请号：US872137
申请日：1992-04-22
申请人： Toshihiro Suya , Nobuyuki Torisawa , Norikazu Soga , Issy Matsuda
发明人： Toshihiro Suya , Nobuyuki Torisawa , Norikazu Soga , Issy Matsuda
IPC分类号： B65H3/08 , B65H3/42 , B65H3/48 , B65H3/54 , B65H5/08 , B65H3/46
CPC分类号： B65H3/0833 , B65H3/42 , B65H3/48 , B65H3/54
摘要： Sheets such as photographic films are fed one by one by suction cups in an image recording system. A resilient sheet separator is brought into abutment against an uppermost one of stacked sheets, and then the suction cups are moved toward the uppermost sheet. Before the suction cups reach the uppermost sheet, they are activated to attract the uppermost sheet under suction. The sheet separator pushes the uppermost sheet in one direction and the suction cups draw the uppermost sheet in the opposite direction, so that the attracted uppermost sheet is greatly flexed fully out of contact with the next sheet of the sheet stack. Thereafter, the suction cups and the sheet separator are displaced away from the sheet stack, separating the uppermost sheet from the sheet stack. A detecting arrangement detects whether the suction cup attracts a single sheet. The detecting arrangement includes a detecting rod for abutting against the uppermost sheet attracted by the suction cup, and a sensor energizable by the detecting rod.
摘要翻译：在图像记录系统中，诸如照相胶片的片材通过吸盘逐一进料。使弹性片分离器与叠置的片材的最上面的片材抵接，然后吸盘向最上面的片材移动。在吸盘到达最上面的片材之前，它们被激活以吸引最上面的片材。纸张分离器沿一个方向推动最上面的纸张，并且吸盘在相反方向上拉伸最上面的纸张，使得被吸引的最上面的纸张被大大地弯曲成与下一张纸张堆叠完全不接触。此后，吸盘和片分离器从纸叠中移开，将最上面的纸与纸叠叠分开。检测装置检测吸盘吸引单片。检测装置包括用于抵靠由吸盘吸引的最上面的片材的检测杆和由检测杆激励的传感器。

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