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    • 1. 发明授权
    • Bypass transport loop sheet insertion system
    • 旁路运输回路板插入系统
    • US5710968A
    • 1998-01-20
    • US520354
    • 1995-08-28
    • Lawrence A. ClarkTerrence R. DocteurRichard E. EisemannTed A. Beer
    • Lawrence A. ClarkTerrence R. DocteurRichard E. EisemannTed A. Beer
    • G03G15/00G03G21/00
    • G03G15/655G03G2215/00447
    • A dual path sheet feeder is disclosed including a bypass transport loop and a main transport loop for selectively delivering sheets from a sheet feeding module to either a printer processing module or to a finishing module, wherein a movable gate situated adjacent to the bypass transport loop is provided for directing sheets along a predetermined path of travel. The movable gate is selectively positionable between a first position for directing the sheets through the main transport loop to the processing module to produce copy sheets prior to delivering the copy sheets to the finishing module and a second position for directing the sheets through the bypass transport loop to deliver insert sheets directly to the finishing module, circumventing the processing module. The dual path sheet feeder is contemplated for use in conjunction with a high speed electrostatographic printing machine for providing flexible paper supply options without the additional burden of providing supplemental dedicated sheet feeding trays.
    • 公开了一种双通道供纸器,其包括旁路输送回路和主输送回路,用于将纸张从供纸模块选择性地传送到打印机处理模块或整理模块,其中位于旁路输送回路附近的可移动门是 用于沿着预定的行进路线引导片材。 可移动门可选择性地定位在第一位置之间,用于将片材通过主传送环路引导到处理模块,以在将复印片材递送到精加工模块之前产生复印片材,以及用于引导片材通过旁路传输环路的第二位置 将插入片材直接传送到整理模块,绕过处理模块。 双路纸张进纸器可以与高速静电印刷机结合使用,用于提供灵活的纸张供应选项,而不需要额外的负担来提供补充的专用送纸盘。
    • 4. 发明授权
    • Electronic sheet rotator with deskew, using single variable speed roller
    • 带偏斜矫正电子薄片旋转器,采用单变速滚轮
    • US5090683A
    • 1992-02-25
    • US560872
    • 1990-07-31
    • Venkatesh H. KamathBarry P. MandelTed A. BeerRussell J. Sokac
    • Venkatesh H. KamathBarry P. MandelTed A. BeerRussell J. Sokac
    • B65H9/00B65H5/34B65H9/10
    • B65H5/34B65H2301/33B65H2301/331B65H2511/242
    • A device for selectively turning documents includes first and second drive rollers aligned along an axis which is transverse to a process direction along which documents are fed, and first and second follower rollers cooperatively peripherally aligned with the first and second drive rollers, respectively. One of the drive rollers is operated at a substantially constant peripheral velocity by a first drive which is a constant velocity motor while the other drive roller is operated at a variable peripheral velocity by a variable speed drive so that the document is turned. Thus, only a single variable speed drive, such as, for example a stepper motor or servo system, is required. The variable speed drive is driven through a variable velocity profile to control the amount of rotation of the document. Preferably the document is turned approximately 90.degree.. By placing a pair of sensors adjacent the drive rollers, the skew of the document prior to being rotated can be measured and used to determine the velocity profile for controlling the variable speed motor. After the document is rotated, the same two sensors are used to detect the skew, if any, of the trailing edge of the turned document for correction of the velocity profile used to rotate subsequent documents. An additional mechanism can be provided for shifting the connection of the constant velocity and variable speed motors between the first and second drive rollers so that a sheet can be rotated in opposite directions.
    • 用于选择性地转动文件的装置包括沿着轴线对齐的第一和第二驱动辊,该轴线横向于馈送文件的工艺方向,第一和第二从动辊分别与第一和第二驱动辊协调地周向对准。 其中一个驱动辊通过作为恒速马达的第一驱动器以基本上恒定的圆周速度运行,而另一个驱动辊通过变速驱动器以可变的圆周速度运行,从而转动文件。 因此,仅需要单个变速驱动器,例如步进电机或伺服系统。 变速驱动器通过可变速度曲线驱动以控制文档的旋转量。 优选地,文件转动约90度。 通过将一对传感器放置在驱动辊附近,可以测量文件在旋转之前的歪斜并用于确定用于控制变速电机的速度分布。 在文件旋转之后,使用相同的两个传感器来检测转动文件的后缘的歪斜(如果有的话),用于校正用于旋转后续文档的速度分布。 可以提供一种附加机构,用于在第一和第二驱动辊之间移动恒速和变速马达的连接,使得片材可以沿相反的方向旋转。