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    • 3. 发明授权
    • Removable document feeder cartridge for combination printer and scanner
    • 用于组合打印机和扫描仪的可拆卸送纸盒
    • US5833381A
    • 1998-11-10
    • US782438
    • 1997-01-15
    • William H. KelloggSamuel A. StoddarDarren W. Wilcox
    • William H. KelloggSamuel A. StoddarDarren W. Wilcox
    • B41J13/00B41J13/10
    • B41J13/00B41J13/103H04N1/00596
    • A combination printer and scanner comprises a frame, rollers mounted in the frame for defining a single paper path therethrough, an automatic sheet feeder mounted to the frame for selectively providing to the single paper path clean paper print sheets, and an automatic document feeder mounted to the frame for selectively providing to the single paper path documents having text and/or graphics printed thereon to be scanned. The combination printer and scanner further comprises a scanner station mounted in the frame for scanning documents conveyed through the single paper path and a printer station mounted in the frame for printing text and/or graphics on print sheets conveyed through the single paper path. A document feeder cartridge is normally positioned adjacent a scanner window of the scanner station to partially define a segment of the single paper path adjacent the scanner station. The document feeder cartridge may be manually removed to permit the clearing of paper jams, the cleaning of the scanner window and the removal of debris.
    • 组合打印机和扫描仪包括框架,安装在框架中的辊,用于限定穿过其中的单个纸路径;安装到框架的自动送纸器,用于选择性地向单个纸张路径提供清洁的纸张打印纸张;以及自动送稿器, 用于选择性地向单张纸路径提供具有打印在其上以被扫描的文本和/或图形的框架。 组合打印机和扫描仪还包括安装在框架中用于扫描通过单个纸路径传送的文档的扫描仪站和安装在框架中的打印机站,用于在通过单个纸路径传送的打印纸上打印文本和/或图形。 文档进料盒通常位于扫描仪站的扫描仪窗口附近,以部分地限定与扫描仪站相邻的单个纸张路径的一段。 可以手动取出送纸盒,以清除卡纸,清洁扫描仪窗口和清除碎片。
    • 6. 发明授权
    • Integrated chassis for automatic document feeder in a scanning unit
    • 集成底盘,用于扫描单元中的自动进纸器
    • US06433897B1
    • 2002-08-13
    • US09710295
    • 2000-11-10
    • Darren W. WilcoxAlpha N. DoanDennis Sonnenburg
    • Darren W. WilcoxAlpha N. DoanDennis Sonnenburg
    • H04N104
    • H04N1/00554B41J13/103H04N1/00543H04N1/00559H04N1/00567H04N1/00588H04N1/00591H04N1/00602H04N1/00628H04N1/12H04N1/193
    • In a scanning unit such as a facsimile machine, an automatic document feeder transports individual sheets from a stack of documents along a document path over a scanning window to an output tray. An upper guide member includes an integrated chassis which provides most of the functional features required for picking individual sheets from a stack of documents in an input tray and transporting the sheet past a scanning window. The various components incorporated in the integrated chassis include a document separation mechanism, pre-scanning pinch rollers, post-scanning pinch rollers, a spring-loaded limiter with minimal paper path obstruction, a hinging mechanism to facilitate manual access to the document path, a latching mechanism, referencing datums, and ESD grounding including ESD brushes adjacent the document path and an ESD shield for a circuit board housed in the upper guide member. In the preferred form, the integrated chassis is formed from an enlarged sheet metal plate which attaches to the underside of a manual control/display panel with the circuit board sandwiched therebetween.
    • 在诸如传真机的扫描单元中,自动文件馈送器将文档堆叠中的单张纸沿扫描窗口上的文档路径输送到输出托盘。 上引导构件包括集成底架,其提供从输入托盘中的一叠文件中拾取单个片材所需的大部分功能特征,并将片材运送经过扫描窗口。 结合在一体机箱中的各种部件包括文件分离机构,预扫描夹送辊,后扫描夹送辊,具有最小纸路阻塞的弹簧加载限制器,便于手动访问文件路径的铰接机构, 锁定机构,参考基准和ESD接地,包括邻近文件路径的ESD电刷和用于容纳在上引导构件中的电路板的ESD屏蔽。 在优选形式中,集成底架由扩大的金属板形成,该片材金属板连接到手动控制/显示面板的下侧,其中夹着电路板。
    • 7. 发明授权
    • Fixtureless, accurate system and assembly method for controlling
pen-to-paper spacing in an inkjet printer
    • 用于控制喷墨打印机中笔对纸间距的无夹具,精确的系统和装配方法
    • US6027264A
    • 2000-02-22
    • US24976
    • 1998-02-16
    • Edward P. MaherDarren W. WilcoxDan Scott Caputo
    • Edward P. MaherDarren W. WilcoxDan Scott Caputo
    • B41J11/20B41J25/308
    • B41J25/3088B41J11/20B41J25/308
    • Both a printing-medium support (such as a platen) and a printhead-carriage slide-rod are supported and located in common from a single chassis. Preferably a pair of positive stops is used to locate the slide-rod, and a biasing retainer forcibly abuts the rod against, selectively, either stop of the pair of positive stops. Alternatively the two positive stops are instead used to locate the print-medium support--or separate pairs of such stops are used to locate both the slide-rod and the print-medium support respectively. A respective biasing retainer forcibly engages each located support element against one or the other of its stops. In another facet of the invention, an accurate system establishes and adjustably controls printhead-to-print-medium spacing without an assembly fixture. An adjustable mechanism (such as the biasing retainer mentioned above), distinct from both support elements, locates one of the two supports relative to the other. The mechanism includes components that enable adjustment to control the spacing between the printhead and the printing medium--but these adjustment-enabling components contribute zero uncertainty to the spacing. The assembly method includes positioning the slide-rod with its two ends in respective oversize mounting holes of a chassis, and attaching to each end of the slide-rod a respective retainer to force the slide-rod end in one of exactly two opposite directions against the mounting-hole edge.
    • 打印介质支撑(例如压板)和打印头滑架滑杆都可以从单个机架共同支撑和定位。 优选地,使用一对正止动件来定位滑杆,并且偏置保持器强制地抵靠杆来选择性地抵靠一对正止动件的停止。 或者,两个正止动器用于定位打印介质支撑件,或者分别使用这样的止动件对来分别定位滑动杆和打印介质支撑件。 相应的偏压保持器强制地将每个定位的支撑元件接合在其一个或另一个止动件上。 在本发明的另一方面,精确的系统建立并可调节地控制打印头到打印介质的间距而没有组装夹具。 与两个支撑元件不同的可调节机构(例如上述的偏置保持器)相对于另一个定位两个支撑件中的一个。 该机构包括能够进行调节以控制打印头和打印介质之间的间隔的组件,但是这些可调节使能组件对间距贡献零不确定性。 组装方法包括将滑动杆的两端定位在底盘的相应的超大安装孔中,并且将滑动杆的每个端部附接到相应的保持器,以将滑杆端部按照两个相反的方向中的一个抵抗 安装孔边缘。
    • 8. 发明授权
    • Precision referencing/latching system for document separation and
transport in a scanning unit
    • 用于在扫描单元中进行文件分离和传送的精确的参考/锁定系统
    • US5553842A
    • 1996-09-10
    • US324822
    • 1994-10-17
    • Darren W. WilcoxDennis Sonnenburg
    • Darren W. WilcoxDennis Sonnenburg
    • B65H3/52B41J13/10H04N1/00B65H3/06
    • B41J13/103
    • In a scanning unit such as a facsimile machine, an automatic document feeder transports individual sheets from a stack of documents along a document path over a scanning window to an output tray. Precise co-planar referencing is provided between a pick roller mounted on a frame beneath a document path and a document separator mechanism mounted on an upper guide member which moves between an open position for allowing manual access to the document path to a closed position for scanning document sheets. An integrated sheet metal chassis on the upper guide member provides a direct reference path between a central portion of the chassis which carries the document separator mechanism as well as Z axis and Y-axis (media transport direction) reference datums on both side edges of the channels which are engaged by a rigid vertical reference arm. A latching device is located closely adjacent to the reference datums to securely hold the upper guide member in a predetermined closed position, as well as determine positioning in the X axis. A pair of pivotal arms at the post-scanning end of the chassis allow clearance in the X-axis and Y-axis while providing secondary referencing in the Z-axis.
    • 在诸如传真机的扫描单元中,自动文件馈送器将文档堆叠中的单张纸沿扫描窗口上的文档路径输送到输出托盘。 在安装在文件路径下方的框架上的拾取辊和安装在上部引导构件上的文档分离器机构之间提供精确的共面参考,该文件分离器机构在用于允许手动访问文档路径的打开位置之间移动到用于扫描的关闭位置 文件单。 在上引导构件上的集成钣金底盘提供了在底盘的中心部分之间的直接参考路径,该路径承载文档分离器机构以及Z轴和Y轴(介质传送方向)参考基准的两侧边缘 通道由刚性垂直参考臂接合。 闭锁装置位于与参考基准附近的位置,以牢固地将上引导构件保持在预定的关闭位置,并且确定在X轴上的定位。 在底盘的后扫描端的一对枢转臂允许在X轴和Y轴上的间隙,同时在Z轴上提供二次参考。
    • 10. 发明授权
    • Paper separator spring assembly for facsimile or copy machine
    • 用于传真机或复印机的纸张分离器弹簧组件
    • US5549289A
    • 1996-08-27
    • US324280
    • 1994-10-14
    • Dennis SonnenburgDarren W. Wilcox
    • Dennis SonnenburgDarren W. Wilcox
    • G03G15/00B65H3/06B65H3/52H04N1/00
    • B65H3/5238B65H3/063
    • An improved separator pad and spring assembly for a paper separator system is described. With this invention, securing the separator pad to the spring assembly and securing the spring assembly to a frame do not affect the characteristics of the separator pad since the separator pad is secured without being distorted by any clamping pressure. The resilient separator pad is secured to a separator spring and to a frame using shoulder screws, or equivalent fasteners, where the shoulder portions of the screws tightly secure the spring to the frame but where the heads of the screws are prevented from tightly clamping down on the resilient separator pad. This ensures that no distortion of the separator pad occurs. A feed roller (or stripper roller) is used to separate a bottommost sheet from a stack of sheets. Paper-feed springs oppose the end portions of the feed roller, while the centrally located separator pad opposes the middle portion of the feed roller.
    • 描述了用于纸分离器系统的改进的分离器垫和弹簧组件。 利用本发明,将分离器垫固定到弹簧组件并将弹簧组件固定到框架上不会影响分离器垫的特性,因为分离垫固定而不受任何夹紧压力的扭曲。 弹性分隔垫用固定在分离器弹簧上并使用肩螺钉或等效的紧固件固定到框架上,其中螺钉的肩部将弹簧紧紧地固定在框架上,但是防止螺钉的头部被紧紧夹紧 弹性分隔垫。 这确保不会发生分离器垫的变形。 使用进料辊(或剥离辊)将最底层的纸张与一叠纸张分开。 送纸弹簧与进给辊的端部相对,而位于中心的分隔垫与进给辊的中间部分相对。