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    • 1. 发明授权
    • Ink-jet printer with printhead carriage alignment mechanism
    • 具有打印头支架对准机构的喷墨打印机
    • US4872026A
    • 1989-10-03
    • US149454
    • 1988-01-28
    • Steve O. RasmussenLarry A. JacksonJohn D. RhodesDavid W. PinkernellJ. Paul HarmonKevin L. MoonWilliam R. Huseby
    • Steve O. RasmussenLarry A. JacksonJohn D. RhodesDavid W. PinkernellJ. Paul HarmonKevin L. MoonWilliam R. Huseby
    • B41J13/00B41J13/10B65H3/00B65H29/26
    • B41J13/106B41J13/0045B65H29/26B65H3/00
    • A novel ink-jet printer (10) is provided. The print provides both paper supply tray (12) and paper collection tray (18) in the front (14) of the printer for ease of paper handling and reduced footprint. The paper collection tray is provided with a pair of opposed output rails (22) which support a sheet of paper (16c) during printing to permit ink on a sheet of paper (16b) previously printed to dry. A paper handling mechanism is provided which eliminates a sheet pickup motor and associated elements. The paper handling mechanism is configured to pick off a sheet of paper from a stack of input paper, bring it around paper drive rollers (24) onto a platen (26), where the printing operation, employing a printhead cartridge (32), occurs. The printer further includes a service station (230) for clearing clogged nozzles in the printhead (33) and removing bubbles therefrom, for covering the nozzles with a protective cap (266), and for wiping contaminants off the nozzles. Reference pads (200) are provided for aligning and securing the printing cartridge in a carriage (35). The carriage is associated with a carriage guide (27), to which the carriage and print medium are referenced. The resulting printer is easy to manufacture, has reduced complexity by eliminating components in the paper drive mechanism and is lower in cost.
    • 提供了一种新颖的喷墨打印机(10)。 该打印机在打印机的前面(14)内提供供纸托盘(12)和纸张收集盘(18),以方便纸张处理和减少占地面积。 纸张收集盘设置有一对相对的输出轨道(22),其在打印期间支撑一张纸(16c),以允许预先打印干燥的纸张(16b)上的油墨。 提供了纸张处理机构,其消除了纸张拾取电动机和相关元件。 纸张处理机构被配置为从一叠输入纸张拾取一张纸,将纸张驱动辊(24)周围带到压板(26)上,其中使用打印头墨盒(32)的打印操作发生 。 打印机还包括用于清除打印头(33)中堵塞的喷嘴并从其中除去气泡的维修站(230),用于用保护盖(266)覆盖喷嘴,并且用于从喷嘴擦拭污染物。 提供参考焊盘(200)用于将打印盒对准和固定在托架(35)中。 托架与托架引导件(27)相关联,托架和打印介质被引用到托架引导件(27)上。 所得到的打印机易于制造,通过消除纸张驱动机构中的部件并降低了成本,降低了复杂性。
    • 2. 发明授权
    • Vacuum control for vacuum holddown
    • 真空压紧真空控制
    • US06254090B1
    • 2001-07-03
    • US09292125
    • 1999-04-14
    • John D. RhodesSteve O. RasmussenAngela ChenGeoff Wotton
    • John D. RhodesSteve O. RasmussenAngela ChenGeoff Wotton
    • B65H508
    • G03G15/6597B41J11/0085B41J13/226B65H5/222B65H2406/332B65H2406/351B65H2406/3632
    • A mechanism for manifolding a vacuum force to separate surface sectors of a vacuum holddown uses subsurface ducting to apply the vacuum to separate subsurface vacuum plenums wherein each is fluidically coupled to a separate surface sectors. The plenum is segregated by a diaphragm into surface side and vacuum side cavities. Trigger ports and appropriate ducting through the holddown subjacent the surface associated with each sector determine how the vacuum is routed. Only when a trigger port is covered is the vacuum routed to the surface sector associated therewith. The system can be implemented in planar or curvilinear constructs and be provided with features to accommodate a near-continuous range of flexible material sizes. A specific implementation in an ink-jet hard copy apparatus is also described.
    • 用于歧管真空力以分离真空压紧的表面部分的机构使用地下管道将真空施加到分开的地下真空室,其中每个都与流体耦合到单独的表面扇区。 气室通过隔膜分隔成表面侧和真空侧腔。 触发端口和通过与每个扇区相关联的表面下方的压盖的适当管道决定了真空如何路由。 只有当触发端口被覆盖时,真空被引导到与其相关联的表面扇区。 该系统可以在平面或曲线构造中实现,并且具有能够适应近连续范围的柔性材料尺寸的特征。 还描述了喷墨硬拷贝装置中的具体实现。
    • 4. 发明授权
    • Belt-type media support for a printer
    • 带式媒体支持打印机
    • US06394596B1
    • 2002-05-28
    • US09413078
    • 1999-10-05
    • Geoff WottonSteve O. RasmussenJohn D. Rhodes
    • Geoff WottonSteve O. RasmussenJohn D. Rhodes
    • B41J201
    • B65H5/224B41J11/007B41J11/0085B41J11/06
    • A belt-type support for moving print media such as paper through a printer includes a flexible belt that is supported in a manner such that friction is minimized and such that the paper that is supported on the belt is advanced precisely through the print zone of the printer. The support is provided in conjunction with a uniform distribution of vacuum pressure to the paper carried by the belt. In one preferred embodiment, there is provided a rigid, flat platen for supporting a uniformly porous belt. The platen has a number of rollers on its surface to minimize the friction developed between the platen surface and the moving belt. The platen surface also includes ports to provide a uniform distribution of vacuum pressure to the porous belt. In another embodiment, sliders are carried in the support surface of the platen to minimize frictional contact with the moving belt. Another embodiment includes substantially flat platen surface with a low-friction material layer disposed between the belt and platen surface for facilitating movement of the belt over the platen.
    • 用于通过打印机移动诸如纸张的打印介质的带式支撑件包括柔性带,该柔性带以使得摩擦最小化的方式被支撑,并且使得被支撑在带上的纸精确地前进通过印刷区 打印机。 该支撑件与真空压力的均匀分布一起提供给由皮带承载的纸张。 在一个优选实施例中,提供了一种用于支撑均匀多孔带的刚性平坦压板。 压板在其表面上具有多个辊,以最小化在压板表面和移动带之间产生的摩擦。 压板表面还包括端口,以向多孔带提供均匀的真空压力分布。 在另一个实施例中,滑块被承载在压板的支撑表面中以最小化与移动带的摩擦接触。 另一个实施例包括基本平坦的压板表面,其中设置在带和压板表面之间的低摩擦材料层,以便于带移动到压板上。
    • 10. 再颁专利
    • Printhead-carriage alignment and electrical interconnect lock-in mechanism
    • 打印头 - 支架对准和电气互连锁定机构
    • USRE37671E1
    • 2002-04-30
    • US09217468
    • 1998-12-21
    • David W. PinkernellLarry A. JacksonJ. Paul HarmonSteve O. Rasmussen
    • David W. PinkernellLarry A. JacksonJ. Paul HarmonSteve O. Rasmussen
    • B41J214
    • B41J25/34B41J2/1752B41J2/1753
    • A printhead cartridge and carriage assembly (10) is provided comprising: a carriage (12); a snap-spring (62) for securing a printing cartridge (14) in postion on the carriage; and an interconnect strip (16) for supplying electrical signals to the cartridge, including a force loading spring pad (24) for urging a portion of the interconnect strip against a portion of the cartridge. The cartridge has top (32), bottom (34), sides (36, 38), front (40) and rear (42) surfaces and includes a printhead (44) on the bottom surface, an electrical contact strip (46) on the back surface connected to the printhead, referencing pads (56) on the side surface, and a lip (64) on the back surface for accepting the snap-spring. Referencing surface (60) are provided for receiving the referencing pads on the cartridge. The spring pad urges the interconnect strip against the electrical contact of the cartridge. The printhead cartridge/carriage assembly of the invention requires only one hand of the operator to both insert and lock the cartridge in position. Further, the cartridge/carriage assembly provides simultaneous alignment of the printhead in the X, Y, and Z directions. Finally, contact between the printhead and the interconnect strip is reliably made each time the cartridge is inserted and locked in position, thereby ensuring proper nozzle firing each time.
    • 提供了一种打印头墨盒和托架组件(10),包括:托架(12); 用于将打印盒(14)固定在托架上的卡扣弹簧(62) 以及用于向所述盒提供电信号的互连条(16),包括用于将所述互连条的一部分推压抵靠所述盒的一部分的力加载弹簧垫(24)。 盒具有顶部(32),底部(34),侧面(36,38),前部(40)和后部(42)表面,并且在底部表面上包括打印头(44),电接触条 连接到打印头的后表面,侧表面上的参考垫(56)和用于接受卡扣弹簧的后表面上的唇缘(64)。 提供表面(60)用于接收盒上的参考垫。 弹簧垫将互连条推动抵靠盒的电接触。 本发明的打印头墨盒/托架组件仅需要操作者的一只手就能将墨盒插入并锁定在适当位置。 此外,盒/托架组件提供打印头在X,Y和Z方向上的同时对准。 最后,每次将墨盒插入并锁定在适当位置时,打印头和互连条之间的接触就可靠地进行,从而确保每次喷嘴正确的喷射。