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1. 发明申请

US20080277863A1 SHEET FEEDER, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像进纸器，图像读取装置和图像形成装置
公开(公告)号：US20080277863A1
公开(公告)日：2008-11-13
申请号：US12116493
申请日：2008-05-07
申请人： Yasushi MATSUTOMO , Haruo SAYAMA , Kiwamu MORITA , Mikiya OKADA , Yasuhiro TAKAI
发明人： Yasushi MATSUTOMO , Haruo SAYAMA , Kiwamu MORITA , Mikiya OKADA , Yasuhiro TAKAI
IPC分类号： B65H3/06 , B65H7/12
CPC分类号： B65H3/0684 , B65H3/5261 , B65H2511/524 , B65H2515/34 , B65H2220/01 , B65H2220/02 , B65H2220/11
摘要： A paper press member 240 configured to be capable of advancing and retracting with respect to a paper guide 220 is provided between a paper feed roller 234 and the front end in the paper feed direction of paper loaded in a manual feed tray 230. When a plurality of sheets of paper enter into the press-contact section between the paper feed roller 234 and a reverse roller 235, the reverse roller 235 is rotated in the reverse direction to retract the sheet on the reverse roller side to the manual feed tray 230. At this time, by causing the paper press member 240 to project from the upper surface of the paper guide 220, the sheet to be retracted and the paper press member 240 come into contact with each other, so that the travel amount of the sheet when retracting the sheet is reduced.
摘要翻译：构造成能够相对于纸张引导件220前进和后退的纸按压构件240设置在供纸辊234和装载在手动进纸托盘230中的纸张的进纸方向上的前端之间。当多张纸进入进纸辊234和反转辊235之间的压接部时，反转辊235沿相反方向转动，将反转辊侧的纸张收回到手动进纸盘 230。此时，通过使纸按压部件240从纸引导件220的上表面突出，待缩回的片材和纸按压部件240彼此接触，使得片材的行进量收缩纸张减少。

2. 发明申请

US20080258380A1 SHEET FEEDER 有权
标题翻译：板材进料器
公开(公告)号：US20080258380A1
公开(公告)日：2008-10-23
申请号：US11863414
申请日：2007-09-28
申请人： Yoshinobu OKUMURA , Yasushi MATSUTOMO , Haruo SAYAMA , Yasunobu OHKAWA , Michihiro YAMASHITA , Yuriko KAMEI , Yasuhiro TAKAI
发明人： Yoshinobu OKUMURA , Yasushi MATSUTOMO , Haruo SAYAMA , Yasunobu OHKAWA , Michihiro YAMASHITA , Yuriko KAMEI , Yasuhiro TAKAI
IPC分类号： B65H7/02
CPC分类号： B65H5/062 , B65H7/20 , B65H2220/09 , B65H2404/14 , B65H2511/20 , B65H2511/514 , B65H2513/10 , B65H2513/50 , B65H2557/23 , B65H2801/06 , B65H2220/03 , B65H2220/01 , B65H2220/02
摘要： A sheet feeder has a feed passage and includes feed roller pairs, sensors, and a controller. The feed roller pairs are arranged along the feed passage and feed sheets of paper in a feed direction along the passage by nipping the sheets. Each of the sensors is fitted at or near one of the feed roller pairs and senses a specified point on each of the sheets when the sheet is nipped by at least the associated roller pair. The controller includes a memory for storing reference feed timings as proper feed timings at each of which the specified points on the sheets should pass one of the sensors. The controller finds the real feed timing when each of the sensors senses the specified point on the sheet nipped by at least the associated roller pair. When each of the sensors senses the specified point on the sheet nipped by at least the associated roller pair, the controller finds the time difference between the associated reference feed timing and the associated real feed timing and controls, according to the found time difference, the feed speed at which the feed roller pair or pairs nipping the sheet feed it.
摘要翻译：送纸器具有进给通道，并且包括进给辊对，传感器和控制器。馈送辊对沿着进给通道布置，并且通过夹住纸张沿着通道沿进给方向馈送纸张。每个传感器安装在进给辊对中或附近，并且当片材被至少相关联的辊对夹持时，感测每个片材上的指定点。控制器包括用于将参考馈送定时存储为适当的馈送定时的存储器，其中片材上的指定点将通过其中一个传感器。当每个传感器感测到由至少相关联的辊对夹持的片材上的指定点时，控制器找到实际的进给定时。当每个传感器感测至少被相关联的辊对夹紧的片材上的指定点时，控制器根据所发现的时间差找到相关联的基准馈送定时和相关联的实际馈送定时之间的时间差并进行控制，进给辊对或夹紧片材的进给速度进给。

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