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    • 31. 发明申请
    • Developer Apparatus, Image Forming Apparatus and Developing Method
    • 显影装置,成像装置及显影方法
    • US20090110445A1
    • 2009-04-30
    • US12254646
    • 2008-10-20
    • Yoichi YAMADA
    • Yoichi YAMADA
    • G03G15/08
    • G03G15/0812G03G15/0818G03G2215/0177
    • A developer apparatus, includes: a container which houses toner; a toner carrier roller that is provided, on a surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, is shaped approximately like a cylinder, and rotates while carrying a toner layer of charged toner on the surface thereof; and a restriction member that abuts on the surface of the toner carrier roller to form a restriction nip, restricts a thickness of the toner layer carried on the surface of the toner carrier roller in the restriction nip, and removes the toner layer on the convex sections from among the toner layer carried on the surface of the toner carrier roller at an upstream-side end of the restriction nip in a rotation direction of the toner carrier roller, wherein a part of toner carried by the concave section moves to the convex sections to cover the convex sections with the toner at a downstream side to the restriction nip in the rotation direction of the toner carrier roller.
    • 一种显影装置,包括:容纳调色剂的容器; 在其表面上设置有规则排列的多个凸部和围绕凸部的凹部的墨粉承载辊,其形状大致为圆筒状,并且在携带带电调色剂的调色剂层的同时旋转 在其表面上 以及与调色剂承载辊的表面邻接以形成限制夹持部的限制部件限制了在限制夹持部中承载在调色剂承载辊的表面上的调色剂层的厚度,并且去除了凸部上的调色剂层 从所述调色剂承载辊的旋转方向在所述限制压区的上游侧端部承载在所述调色剂承载辊的表面上的所述调色剂层中,由所述凹部携带的调色剂的一部分移动到所述凸部, 在调色剂承载辊的旋转方向上,在限制压区的下游侧用调色剂覆盖凸部。
    • 36. 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。