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    • 11. 发明授权
    • Multicolor imaging apparatus with improved transfer means
    • 具有改进转印手段的多色成像装置
    • US5021835A
    • 1991-06-04
    • US532831
    • 1990-06-04
    • Kevin M. Johnson
    • Kevin M. Johnson
    • G03G15/01G03G15/16
    • G03G15/0131G03G15/167G03G2215/0193G03G2215/0196
    • Multicolor toner images are formed on a receiving sheet by superimposing single toner color images formed electrostatically on an image member, in registration on the receiving sheet. The receiving sheet is carried by a transfer roller repeatedly through engagement with the image member. The transfer roller is held slightly out of engagement with the image member when no receiving sheet is between the roller and image member. When a receiving sheet is between the roller and image member the roller is driven through the receiving sheet by the image member. To improve registration, the transfer roller is reindexed between transfer of each image by a stepper motor which rotates the transfer roller when no sheet is present between the transfer roller and the image member.
    • 多色调色剂图像通过将形成在静电上的单个调色剂彩色图像重叠在接收片上而形成在接收片上。 接收片材​​通过与图像构件的接合重复地由转印辊承载。 当辊和图像构件之间没有接收片材时,转印辊略微与图像构件接合。 当接收片材位于辊和图像构件之间时,辊被图像构件驱动通过接收片材。 为了改善配准,当在转印辊和图像构件之间没有纸张时,通过使转印辊旋转的步进电动机在转印每个图像之间转印辊。
    • 15. 发明授权
    • Push pin device
    • 推针装置
    • US07004703B2
    • 2006-02-28
    • US10824615
    • 2004-04-14
    • Kevin M. JohnsonAnn Sullivan
    • Kevin M. JohnsonAnn Sullivan
    • B43M15/00F16B15/00
    • B43M15/00F16B15/02
    • A push pin device comprises a pin having a tip and an outer member coupled to and extending at least partially around the pin. The tip of the pin is located inside of the outer member in a retracted position when the outer member is uncompressed. The tip of the pin is located outside of the outer member in an extended position when the outer member is compressed. In the exemplary embodiment, the pin extends from a first portion of the outer member toward a second portion of the outer member and the first portion contacts the second portion when the outer member is compressed. When the first portion is seated in the second portion, the second portion applies an opposing force against the first portion to facilitate removal.
    • 推销装置包括具有尖端的销和外部构件,其联接到并且至少部分地围绕销延伸。 当外部构件未压缩时,销的顶端位于外部构件的内部处于缩回位置。 当外部构件被压缩时,销的尖端位于外部构件的外部处于伸出位置。 在示例性实施例中,当外部构件被压缩时,销从外部构件的第一部分朝向外部构件的第二部分延伸,并且第一部分接触第二部分。 当第一部分位于第二部分中时,第二部分向第一部分施加相反的力以便于移除。
    • 18. 发明授权
    • Transfer drum with shim member to reduce system velocity fluctuations
    • 转盘与垫片成员减少系统的速度波动
    • US5315355A
    • 1994-05-24
    • US956129
    • 1992-10-05
    • Kevin M. Johnson
    • Kevin M. Johnson
    • G03G15/16G03G15/14
    • G03G15/1685
    • An imaging system includes an imaging member having an imaging surface on which transferable images are formed. Preferably the imaging member is a photoconductive drum. The system further includes a transfer drum having an outer surface adapted to receive and retain an image-receiver sheet having lead and trail edges. A shim member, preferably thinner than the image-receiver sheet, is positioned on the peripheral surface of the transfer drum adjacent the lead and/or trail edges of a retained image-receiver sheet. The shim member acts to reduce system velocity fluctuations which occur as the lead and trail edges of the image-receiver sheet, respectively, enter and leave a nip formed by the transfer drum and the imaging member.
    • 成像系统包括具有其上形成有可转印图像的成像表面的成像构件。 优选地,成像构件是感光鼓。 所述系统还包括具有外表面的转印鼓,所述外表面适于容纳并保持具有引线和痕迹边缘的图像接受片。 优选地比图像接受片薄的垫片被定位在与保持的图像接收片材的引线和/或尾边相邻的转印鼓的圆周表面上。 垫片构件用于减小当图像接受片的引导和尾迹边缘分别进入和离开由转印鼓和成像构件形成的压区时发生的系统速度波动。
    • 20. 发明授权
    • Position control apparatus for transfer drum in electrostatographic
printer/copier
    • 静电打印机/复印机中转印鼓的位置控制装置
    • US5140379A
    • 1992-08-18
    • US688004
    • 1991-04-19
    • Kevin M. Johnson
    • Kevin M. Johnson
    • G03G15/01G03G15/16
    • G03G15/167G03G15/0131Y10T74/19516Y10T74/1956
    • In an electrostatographic printer and/or copier, toner images are transferred from the outer surface of a rotating image process drum to a receiver sheet carried on the outer surface of a rotating transfer drum as the respective drum surfaces pass through a transfer zone defined by a nip between the drums. To assure precise registration of the transferred toner image with a desired portion of the receiver sheet a planetary positional control apparatus is provided for adjusting the angular position of the transfer drum relative to that of the process drum as the transfer drum rotates to present the receiver sheet to the image transfer zone. Such apparatus responds to a control signal representing variations, from nominal, in the position of the toner image on the process drum and/or in the position of the receiver sheet on the transfer drum. The planetary positional control apparatus of the invention is particularly useful in color electrostatographic systems for precisely registering multiple color separation images on a receiver sheet.
    • 在静电打印机和/或复印机中,调色剂图像从旋转图像处理滚筒的外表面转移到承载在旋转的转印鼓的外表面上的接收片上,当相应的鼓表面通过由 在鼓之间夹住。 为了确保转印的调色剂图像与接收片的所需部分的精确配准,提供了一种行星位置控制装置,用于当转印鼓旋转时调节转印鼓相对于处理转鼓的角位置以呈现接收片 到图像传输区域。 这种设备响应于表示从处理鼓上的调色剂图像的位置和/或接收片在转印鼓上的位置的变化的控制信号。 本发明的行星位置控制装置在用于在接收片上精确对准多个分色图像的彩色静电图像系统中特别有用。