Sheet stacking tray with stacking guides system for a wide range of sheet sizes
    1.
    发明授权
    Sheet stacking tray with stacking guides system for a wide range of sheet sizes 有权
    带有堆叠导轨系统的纸张堆垛盘,适用于各种纸张尺寸

    公开(公告)号:US06302390B1

    公开(公告)日:2001-10-16

    申请号:US09467615

    申请日:1999-12-20

    IPC分类号: B65H100

    摘要: A sheet stacking tray system for stacking different sizes of copy sheets on a stack supporting tray to be fed upstream to a reproduction apparatus for printing, on which tray the stack is registered against a side registration edge. An upstanding stack rear edge guide is track mounted for movement at an angle to that side registration edge to provide a large repositioning movement in the upstream direction together with automatic lateral movement toward or away from that side registration edge, so as to engage the rear edge of a stack of larger sheets further from the registration edge, more centrally of the downstream edge of those sheets, and to engage smaller sheets closer to the registration edge and thus more towards their centers. Two independent upstanding stack side edge guides may be repositionable towards the registration edge independently of, and not overlapping, any position of the angulary moving rear edge guide. The rear edge guide may be linearly track mounted at approximately 18 degrees to the registration edge. All three stack edge guides may extend through and move along separate elongated apertures in the tray. The downstream edge guide may be repositionable substantially closer to the registration edge than the upstream side edge guide due to the angular track of the rear side guide.

    摘要翻译: 一种纸张堆垛盘系统,用于将堆叠支撑托盘上的不同大小的复印纸堆叠在上游供给到用于打印的再现设备上,在该托盘上,堆叠被对准侧面对准边缘。 直立的堆叠后边缘引导件是轨道安装的,以与该侧面对准边缘成一定角度运动,以在上游方向上提供大的重新定位运动以及朝向或远离该侧面对准边缘的自动横向移动,以便接合后边缘 更大的纸张堆叠从配准边缘进一步位于这些纸张的下游边缘的更中央部分,并且使更靠近对准边缘的更小的纸张接合,并且因此更靠近其中心。 两个独立的直立的堆叠侧边缘引导件可以独立于安瓿运动的后边缘引导件的任何位置而不对着对准边缘重新定位。 后边缘引导件可以直线地安装在与注册边缘大约18度的位置。 所有三个堆叠边缘引导件可以延伸通过并沿着托盘中的分离的细长孔移动。 由于后侧引导件的角度轨迹,下游边缘引导件可以比上游侧边缘引导件基本上更靠近对准边缘重新定位。

    Multiple zone stack height sensor for high capacity feeder
    2.
    发明授权
    Multiple zone stack height sensor for high capacity feeder 有权
    用于高容量进料器的多区域堆高度传感器

    公开(公告)号:US06247695B1

    公开(公告)日:2001-06-19

    申请号:US09220974

    申请日:1998-12-23

    IPC分类号: B65H702

    CPC分类号: B65H1/18 B65H2553/612

    摘要: A stack height assembly consisting of two transmissive sensors and two flags, the stack height of a feeder module can be set to three different levels depending on the weight of the media. This “optimization” of the stack height to address the media's failure mode results in increased latitude. When feeding lightweight media, the stack height is set larger in order to increase the gap to the feedhead. This allows more room for separation of the media using fluffer jets. This increased gap also reduces the chances that the un-acquired media will be fluffed into contact with the acquisition surface and subsequently be shingle fed into the take away roll due to the friction between sheets. When feeding heavyweight media the stack height will be set smaller. This reduces the gap to the feedhead and reduces the time required to acquire.

    摘要翻译: 由两个透射传感器和两个标志组成的堆叠高度组件,可以根据介质的重量将馈送器模块的堆叠高度设置为三个不同的等级。 堆栈高度的这种“优化”来解决媒体的故障模式导致纬度的增加。 当喂入轻质介质时,堆叠高度设置得更大,以增加与进料头的间隙。 这样就可以利用蓬松的喷气式空间来分离介质。 这种增加的间隙也降低了未采集的介质将被卷起与采集表面接触的机会,并且随后由于纸张之间的摩擦而被带入进料辊。 喂食重量级媒体时,堆叠高度会变小。 这减少了进给头的间隙,并缩短了获取所需的时间。

    Systems and methods for dynamically setting air system pressures based on real time sheet acquisition time data
    3.
    发明授权
    Systems and methods for dynamically setting air system pressures based on real time sheet acquisition time data 有权
    基于实时采集时间数据动态设置空气系统压力的系统和方法

    公开(公告)号:US06279896B1

    公开(公告)日:2001-08-28

    申请号:US09416417

    申请日:1999-10-12

    IPC分类号: B65H314

    摘要: A sheet feeder feeds sheets separated from a stack to a feed head which is translatable toward take away nip rolls. The sheets are separated from the stack by fluffers and acquired by an acquisition surface of the feed head which is in communication with a vacuum pressure. An air knife is used, in conjunction with a corrugation surface, to separate any secondarily acquired sheets from the acquisition surface. The time for acquiring the sheet is determined from the opening of a vacuum valve in communication with the feed head to the acquiring of the sheet by the acquisition surface. The time for acquiring the sheets is dependent on the sheet characteristics. A controller adjusts the pressure to the fluffers, air knife and the vacuum pressure to control the sheet acquisition time based on the sheet acquisition times of a predetermined number of previously successfully fed sheets and a standard deviation as compared to a table of predetermined sheet acquisition times and standard deviations for the particular sheet characteristics.

    摘要翻译: 纸张馈送器将从堆叠分离的纸张馈送到可移动以取走夹送辊的进给头。 纸张通过绒毛与纸堆分离,并通过与真空压力连通的进给头的采集表面获取。 使用气刀与波纹表面一起将任何二次获取的片材与采集表面分离。 用于获取片材的时间是从与进给头连通的真空阀的打开确定的,以通过采集表面获取片材。 获取纸张的时间取决于纸张特性。 控制器根据预定数量的先前成功进给的纸张的纸张采集时间和与预定纸张采集时间表相比的标准偏差来调节对纸张,气刀和真空压力的压力以控制纸张采集时间 和特定纸张特性的标准偏差。

    Vacuum corrugation shuttle feed device for high capacity feeder
    4.
    发明授权
    Vacuum corrugation shuttle feed device for high capacity feeder 有权
    真空波纹穿梭送料装置,用于大容量进料器

    公开(公告)号:US06609708B2

    公开(公告)日:2003-08-26

    申请号:US10106928

    申请日:2002-03-26

    IPC分类号: B65H314

    CPC分类号: B65H1/18

    摘要: A feed apparatus which combines a slider crank feed head drive system and cam actuated stack height sensing system to form a new combined shuttle feeder. The new feed head drive includes the replacement of a solenoid driven feed head with a more reliable stepper driven twin slider crank drive. Included in the slider crank drive for the feed head is an integral cam as part of the crank arm mounted to the motor shaft. This cam is designed drives a stack height sensor to drop and lift the stack height sensing arm to sense stack height after the sheet trail edge has passed the point of arm contact with the stack. The cam also provides a “service mode” position for the stack height arm which lifts it out of the way of the paper supply when it is opening. The cam dwells in a neutral home position during the rest of the drive out and return motion of the feed head.

    摘要翻译: 一种进给装置,其组合了滑块曲柄进给头驱动系统和凸轮致动的堆叠高度感测系统,以形成新的组合梭式进料器。 新的进给头驱动器包括更换具有更可靠的步进驱动双滑块曲柄驱动器的螺线管驱动进给头。 包括在用于进给头的滑块曲柄驱动器中,作为安装到电机轴的曲柄臂的一部分的整体式凸轮。 该凸轮被设计成驱动堆叠高度传感器,以在片材轨迹边缘已经通过与臂的臂接触点之后,降低并提升堆叠高度感测臂来感测堆叠高度。 凸轮还为堆叠高度臂提供“服务模式”位置,当打开时,它将纸张提升到纸张供应的方式。 在驱动器的其余部分期间,凸轮处于中性起始位置,并返回进给头的运动。

    Adjusting air system pressures stack height and lead edge gap in high capacity feeder
    5.
    发明授权
    Adjusting air system pressures stack height and lead edge gap in high capacity feeder 有权
    调整空气系统压力堆高度和高边缘送料器的前缘间隙

    公开(公告)号:US06186492B1

    公开(公告)日:2001-02-13

    申请号:US09220975

    申请日:1998-12-23

    IPC分类号: B65H108

    摘要: The present invention is directed to device for feeding sheets seriatim from a stack. The sheet feed device includes a variable vacuum source being selectively actuable to acquire and release a top sheet from a stack; a feedhead, attached to the vacuum source to acquire the top sheet of the stack; a device to determine a plurality of predetermined properties of the sheets and to generate signals indicative thereof; and a controller to receive the generated signals and generate a signal to selectively control the vacuum source.

    摘要翻译: 本发明涉及一种用于从堆叠送入纸张的装置。 片材进给装置包括可变真空源,其可选择性地致动以从堆叠获取和释放顶片; 馈送头,附接到真空源以获取堆叠的顶片; 确定片材的多个预定属性并产生指示其的信号的装置; 以及控制器,用于接收产生的信号并产生信号以选择性地控制真空源。

    Systems and methods for dynamically setting stack height and sheet acquisition time
    6.
    发明授权
    Systems and methods for dynamically setting stack height and sheet acquisition time 有权
    动态设置堆叠高度和纸张采集时间的系统和方法

    公开(公告)号:US06290225B1

    公开(公告)日:2001-09-18

    申请号:US09447047

    申请日:1999-11-23

    IPC分类号: B65H116

    摘要: A sheet feeder feeds sheets separated from a stack to a feed head which is translatable toward take away nip rolls. The sheets are separated from the stack by fluffers and acquired by an acquisition surface of the feed head which is in communication with a vacuum pressure. An air knife is used, in conjunction with a corrugation surface, to separate any secondarily acquired sheets from the acquisition surface. The time for acquiring the sheet is determined from the opening of a vacuum valve in communication with the feed head to the acquiring of the sheet by the acquisition surface. A controller adjusts the position of a supporting tray that supports the stack to maintain the sheet acquisition time as short as possible.

    摘要翻译: 纸张馈送器将从堆叠分离的纸张馈送到可移动以取走夹送辊的进给头。 纸张通过绒毛与纸堆分离,并通过与真空压力连通的进给头的采集表面获取。 使用气刀与波纹表面一起将任何二次获取的片材与采集表面分离。 用于获取片材的时间是从与进给头连通的真空阀的打开确定的,以通过采集表面获取片材。 控制器调节支撑纸盘的支撑盘的位置,以使纸张采集时间尽可能短。

    Closed loop control function for corona device
    7.
    发明授权
    Closed loop control function for corona device 失效
    电晕装置的闭环控制功能

    公开(公告)号:US06928250B1

    公开(公告)日:2005-08-09

    申请号:US10832605

    申请日:2004-04-27

    IPC分类号: G03G15/00 G03G15/16

    CPC分类号: G03G15/1645 G03G2215/027

    摘要: An electrophotographic printing machine of the type having a latent image recorded on an imaging member wherein said latent image is developed and transferred to a media substrate during successive printing cycles of successive print jobs, including a charging device for producing a voltage potential on the media substrate to transfer the developed latent image to the media substrate, said charging device including a coronode member and shield; a first voltage supply for apply a shield voltage to said shield; a second voltage supply for applying a wire voltage to said coronode member; a voltage monitor for measuring the voltage on the shield, said voltage monitor periodically polling the voltage during a cycle of a print job and generating a voltage measured signal as a function thereof; controller, responsive to a media type of each media substrate and said voltage monitor, for adjusting said wire voltage to said coronode member in respect to said shield voltage to said shield to compensate for process impedance as said media substrate passes under said charging device to obtained desirable image transfer.

    摘要翻译: 一种具有记录在成像构件上的潜像的电子照相印刷机,其中所述潜像在连续打印作业的连续打印循环期间显影并转印到介质基板,包括用于在介质基板上产生电压电位的充电装置 将显影的潜像转印到介质基板,所述充电装置包括冠状构件和屏蔽件; 用于向所述屏蔽施加屏蔽电压的第一电压源; 用于向所述冠状构件施加电线电压的第二电压源; 电压监视器,用于测量屏蔽上的电压,所述电压监视器在打印作业的周期期间周期性地轮询电压并产生作为其功能的电压测量信号; 控制器,响应于每个介质基板和所述电压监视器的介质类型,用于相对于所述屏蔽电压的所述屏蔽电压调整所述网络电压的所述电线电压,以补偿当所述介质基板在所述充电装置下通过时获得的过程阻抗,以获得 理想的图像传输。