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    • 8. 发明授权
    • Developing apparatus
    • 开发设备
    • US07676184B2
    • 2010-03-09
    • US11948287
    • 2007-11-30
    • Shin MurayamaShuuichi NakagawaRyuji InoueYuji NagatomoShintaro YamadaKazushige OonishiHirobumi OoyoshiTomofumi Yoshida
    • Shin MurayamaShuuichi NakagawaRyuji InoueYuji NagatomoShintaro YamadaKazushige OonishiHirobumi OoyoshiTomofumi Yoshida
    • G03G15/08
    • G03G15/0877G03G2215/0132G03G2215/083
    • A developing apparatus is disclosed that includes a developer carrier for carrying a developer used for developing a latent image, a developer supplying chamber having a developer supplying member for supplying the developer to the developer carrier by rotation, a developer storing chamber positioned above the developer supplying chamber for storing the developer and supplying the developer to the developer supplying chamber, and a partitioning member positioned between the developer supplying chamber and the developer storing chamber. The partitioning member has an opening through which the developer is supplied from the developer storing chamber to the developer supplying chamber. The developing apparatus includes a conveying member positioned above the partitioning member for conveying the developer in a substantially horizontal direction. The conveying member has an opening facing part situated directly above the opening for conveying the developer with less force than the other parts of the conveying member.
    • 公开了一种显影装置,其包括用于承载用于显影潜像的显影剂的显影剂载体,具有用于通过旋转将显影剂供应到显影剂载体的显影剂供给部件的显影剂供给室,位于显影剂供给 用于存储显影剂并将显影剂供应到显影剂供应室的腔室,以及定位在显影剂供应室和显影剂储存室之间的分隔件。 分隔构件具有开口,显影剂从显影剂从显影剂储存室供应到显影剂供应室。 显影装置包括位于分隔构件上方的输送构件,用于沿大致水平的方向输送显影剂。 传送构件具有面向开口的正面上方的开口,用于以比输送构件的其它部分更少的力传送显影剂。
    • 9. 发明授权
    • Charging unit, process unit including the same, and image forming apparatus including the same
    • 充电单元,包括该充电单元的处理单元和包括该充电单元的成像设备
    • US07539442B2
    • 2009-05-26
    • US11759051
    • 2007-06-06
    • Yuji NagatomoTetsumaru Fujita
    • Yuji NagatomoTetsumaru Fujita
    • G03G15/02
    • G03G15/0216
    • A charging unit available in a process unit detachably attached to an image forming apparatus includes a charging member configured to uniformly charge a surface of an image carrying member while contacting the image carrying member, and a charge bias applying unit configured to apply a charge bias superimposing a direct current voltage on an alternating current voltage to the charging member. The alternating current voltage satisfies a relational expression of “Vpp×0.4/t≦8.8×103”, “Vpp” representing a peak-to-peak voltage of the alternating current voltage in the charge bias, and “t” representing a time period from a first point of a swing of a wave component starting to swing by a large amount to a same polarity as the direct current voltage of the charge bias to a second point of the swing of the wave component reaching approximately 80% of an amplitude of the wave component.
    • 可拆卸地附接到图像形成装置的处理单元中的充电单元包括充电构件,其被配置为在与图像承载构件接触的同时对图像承载构件的表面进行均匀充电;以及充电偏压施加单元,被配置为施加电荷偏置叠加 对充电部件的交流电压的直流电压。 交流电压满足表示充电偏压中的交流电压的峰 - 峰电压的“Vppx0.4 / t <= 8.8×103”,“Vpp”的关系式,表示时间段的“t” 从波动分量的摆动的第一点开始大量旋转到与充电偏压的直流电压相同的极性,到波分量的摆动的第二点达到幅度的大约80% 波分量。