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2. 发明授权

US5273274A Sheet feeding system with lateral registration and method for registering sheets 失效
标题翻译：横向配准的送纸系统和纸张的登记方法
公开(公告)号：US5273274A
公开(公告)日：1993-12-28
申请号：US940933
申请日：1992-09-04
申请人： Michael B. Thomson , Paul Theobald
发明人： Michael B. Thomson , Paul Theobald
IPC分类号： B65H7/10 , B65H9/10 , B65H9/16 , B65H7/02
CPC分类号： B65H9/002 , B65H7/10 , B65H9/16 , B65H2301/331 , B65H2404/1424 , B65H2404/161 , B65H2511/20 , B65H2511/242 , B65H2511/51 , B65H2511/515
摘要： A sheet feeding and lateral registration system, including feed rollers (41, 42) for feeding sheets (50) in a process direction and registration apparatus (52, 53) for registering each sheet in a direction laterally of the process direction. The registration apparatus includes a shifting system (53) for laterally shifting a carriage (52) on which the feed rollers are mounted. A single edge sensor (57) is arranged to provide a signal on detecting the presence of a sheet, and a control controls the lateral shifting system in response to that signal. The control is operated such that if the sheet (50) is not detected by the sensor (57) on initial entry of the sheet into the feed rollers, then the shifting system (53) is activated to move the feed rollers laterally towards the sensor until the sheet is detected by the sensor, whereupon the lateral movement is stopped. However, if the sheet is detected by that sensor on initial entry of the sheet into the system, then the shifting system is first activated to move the feed rollers laterally away from the sensor until the sensor no longer detects the sheet, and then the shifting system is reverse activated to laterally move the feed rollers back towards the sensor until the sheet is again detected by the sensor.
摘要翻译：一种供纸和横向对准系统，包括用于在处理方向上输送纸张（50）的进给辊（41,42）和用于沿着处理方向的横向方向对准每个纸张的配准设备（52,53）。登记装置包括用于横向移动其上安装有进给辊的托架（52）的换档系统（53）。单个边缘传感器（57）被布置成在检测片材的存在时提供信号，并且控制器响应于该信号控制横向移动系统。控制器的操作使得如果在纸张进入进给辊中初始进入纸张（50）时传感器（57）没有检测到纸张（50），则移动系统（53）被启动，以使进给辊横向于传感器直到传感器检测到纸张，从而横向移动停止。然而，如果在纸张首次进入系统时由该传感器检测到纸张，则首先启动换档系统，使进给辊横向移动离开传感器，直到传感器不再检测到纸张，然后移动系统被反向激活以将进给辊横向移动回传感器，直到传感器再次检测到纸张。

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