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    • 1. 发明授权
    • Automatically continuously variable fold position sheet folding system
with automatic length and skew correction
    • 自动连续可变折叠位置折页系统,自动长度和歪斜校正
    • US6024682A
    • 2000-02-15
    • US197976
    • 1998-11-23
    • Barry P. MandelJoseph J. Ferrara
    • Barry P. MandelJoseph J. Ferrara
    • B65H45/16B65H45/14B31B1/00
    • B65H45/144B65H45/147B65H2511/242B65H2553/00
    • An improved sheet folder for flimsy printed sheets with an automatic fold position correction system. The folder may have an input sheet feeder, a fold chute with a chute entrance, reversible sheet feeding rollers in the fold chute adjacent to the chute entrance, fold rollers, a folded sheets output path, and a sensor system for sensing the length of folded sheets in the folded sheets output path. A sheet to be folded is may be partially fed into the fold chute, engaged by the reversible rollers, and fed thereby further into the chute by a selected distance corresponding to a desired folding position along the sheet. Then, the reversible rollers are stopped at a selected sheet stopping position and reversed to feed the sheet into the fold rollers, cooperatively with the input sheet feeder. The fold rollers feed the folded sheet into the folded sheets output path. The sensor system there provides a control signal modifying the selected stopping position of the reversible rollers, to provide a fold position correction system. For integral or separate fold skew correction, the reversible rollers are transversely spaced and separately servo driven, and the sensor system is a plural sensor array extending transversely across the folded sheets path to provide skew correction signals differently controlling the selected stopping positions of the separately driven reversible rollers. Additionally disclosed is a special fold position correction system for 1/2 or even-folded sheets.
    • 具有自动折叠位置校正系统的易于打印的纸张的改进的纸张文件夹。 该文件夹可以具有输入片材进给器,具有滑槽入口的折叠滑槽,与斜槽入口相邻的折叠斜槽中的可逆片材进给辊,折叠辊,折叠片材输出路径和用于感测折叠长度的传感器系统 在折叠的纸张输出路径中的纸张。 要折叠的片材可以被部分地馈送到折叠滑槽中,由可逆辊接合,并且进一步地进给到斜槽中相应于沿着片材的期望的折叠位置的选定距离。 然后,将可逆辊停止在选定的纸张停止位置并反转,以便将纸张与输入的纸张馈送器配合进入折页辊。 折叠辊将折叠的片材送入折叠的片材输出路径。 传感器系统提供控制信号来修改所选择的可逆辊的停止位置,以提供折叠位置校正系统。 对于整体或单独的折叠歪斜校正,可逆辊横向间隔开并且单独地伺服驱动,并且传感器系统是横向跨越折叠片材路径延伸的多个传感器阵列,以提供不同地控制所选择的单独驱动的停止位置的偏斜校正信号 可逆辊。 另外公开了用于+ E,fra 1/2 + EE或偶数折叠片材的特殊折叠位置校正系统。
    • 8. 发明申请
    • MEDIA REGISTRATION SYSTEM WITH SHEET CURL CONTROL THEN (2ND)
    • 媒体注册系统(2ND)
    • US20120262513A1
    • 2012-10-18
    • US13084685
    • 2011-04-12
    • Barry P. MandelMarina L. TharayilDonald E. Johnston
    • Barry P. MandelMarina L. TharayilDonald E. Johnston
    • B41J29/38
    • B65H9/002B41J11/0005B65H7/02B65H29/52
    • According to aspects illustrated herein, a system, a printmaking device, and a method for pre-curling and registering media are provided herein. The system includes a media curler system and a deskew mechanism. The media curler system pre-curls at least one of lead edge and a trail edge of a sheet before delivery to a media hold-down transport. The deskew mechanism is coupled to the media curler system for pivoting the media curler system about a pivot axis to deskew the sheet. The pivot axis extends perpendicular to the media transport path. In operation, as the lead edge enters the pre-curling and registration system, the media curler system pre-curls the sheet towards the media hold-down transport. As the sheet is being pre-curled, the deskew mechanism pivots the media curler system about the pivot axis to correct any skew errors in the sheet.
    • 根据本文所示的方面,本文提供了一种系统,印版装置以及用于预卷曲和记录介质的方法。 该系统包括介质卷发器系统和偏斜校正机构。 媒体卷发器系统在传送到媒体压缩传输之前,预先卷曲片材的前缘和尾端中的至少一个。 该偏移机构联接到介质卷取器系统,用于使介质卷取器系统围绕枢转轴线枢转以使该薄片偏斜。 枢转轴线垂直于介质输送路径延伸。 在操作中,当前缘进入预卷曲和注册系统时,介质卷发器系统将纸张预先卷曲到媒体压紧传输。 当纸张被预卷曲时,偏移矫正机构绕着卷轴系统绕枢轴轴线枢转,以纠正纸张中的任何偏斜误差。