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    • 35. 发明申请
    • MAINTENANCE APPARATUS, LIQUID EJECTING APPARATUS, AND MAINTENANCE METHOD
    • 维护装置,液体喷射装置和维护方法
    • US20110298875A1
    • 2011-12-08
    • US13112679
    • 2011-05-20
    • Masaru KOBASHIYoshiyuki KUREBAYASHIYoichi YAMADA
    • Masaru KOBASHIYoshiyuki KUREBAYASHIYoichi YAMADA
    • B41J2/19
    • B41J2/16508B41J2/16511B41J2/1652B41J2/19
    • A maintenance apparatus that removes bubbles from a nozzle is provided in a printer that includes a recording head having a nozzle capable of ejecting ink from a nozzle opening formed in a nozzle formation surface. The maintenance apparatus includes: a pressurizing pump that pressurizes the ink in the nozzle in a direction in which the ink is discharged from the nozzle opening; and a contact member having an upper surface that makes contact with the nozzle formation surface so as to cover the nozzle opening, and that has, formed therein, a flow channel whose pressure loss is greater than that of the nozzle and that allows air to pass through from the side of the upper surface. The ink within the nozzle is pressurized by the pressurizing pump in a state in which the contact member is in contact with the nozzle formation surface.
    • 一种从喷嘴去除气泡的维护装置设置在包括具有能够从形成在喷嘴形成表面中的喷嘴开口喷射墨水的喷嘴的记录头的打印机中。 所述维护装置包括:加压泵,其对从所述喷嘴开口排出墨水的方向对所述喷嘴中的油墨进行加压; 以及接触构件,其具有与喷嘴形成面接触以覆盖喷嘴开口的上表面,并且其中形成有压力损失大于喷嘴的压力损失并允许空气通过的流道 通过从上表面的一侧。 在接触构件与喷嘴形成面接触的状态下,喷嘴内的油墨被加压泵加压。
    • 40. 发明申请
    • Image Forming Apparatus and Image Forming Method
    • 图像形成装置和图像形成方法
    • US20090110428A1
    • 2009-04-30
    • US12254166
    • 2008-10-20
    • Yoichi YAMADA
    • Yoichi YAMADA
    • G03G21/00
    • G03G15/0812G03G15/0818G03G2215/0844
    • An image forming apparatus, includes: an image carrier that carries an electrostatic latent image; a toner carrier roller that is provided, on a surface thereof, with a plurality of convex sections and a concave section which surrounds the convex sections, is shaped approximately like a cylinder, is arranged opposed to the image carrier, and rotates while carrying a toner layer of charged toner on the surface thereof; a bias applier that applies a developing bias voltage to the toner carrier roller; a toner collector that collects the toner carried on the surface of the toner carrier roller at a place downstream to an opposed position facing the image carrier in a rotation direction of the toner carrier roller; a seal member that is interposed between the toner carrier roller and the toner collector, and abuts on the surface of the toner carrier roller to prevent leakage of toner from the toner collector; and a controller that is adapted to perform a toner removal operation which removes toner adherent to the seal member by rotating the toner carrier roller while the toner carrier roller abuts on the seal member, in a condition that at least a part of respective surfaces of the convex sections do not carry toner so as to be exposed.
    • 一种图像形成装置,包括:承载静电潜像的图像载体; 在其表面上设置有多个凸部和围绕凸部的凹部的调色剂承载辊成形为大致像圆筒一样,与图像载体相对设置,并且在携带调色剂的同时旋转 其表面上带电的调色剂层; 偏置施加器,其将显影偏压施加到调色剂承载辊; 调色剂收集器,其在调色剂承载辊的旋转方向上在与图像载体相对的相对位置下游的位置处收集在调色剂承载辊的表面上承载的调色剂; 介于所述调色剂承载辊和所述调色剂收集器之间的密封构件,并邻接所述调色剂承载辊的表面以防止调色剂从所述调色剂收集器泄漏; 以及控制器,其适于执行调色剂去除操作,其在所述调色剂承载辊抵接在所述密封构件上的同时通过使所述调色剂承载辊旋转而去除附着于所述密封构件的调色剂,所述调色剂承载辊在所述调色剂承载辊的至少一部分 凸部不携带调色剂以露出。