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    • 13. 发明授权
    • Working machine
    • 工作机
    • US07530184B2
    • 2009-05-12
    • US11470942
    • 2006-09-07
    • Hiroyoshi IshihamaMitsuo NakataniYasunari Watanabe
    • Hiroyoshi IshihamaMitsuo NakataniYasunari Watanabe
    • E01H5/06
    • E02F3/815
    • A working machine having a blade is disclosed, the blade comprising a body blade and an extension blade, the body blade having a body-side mounting portion having a body-side mounting hole and the extension blade having an extension-side mounting portion having an extension-side mounting hole, the body-side mounting hole and the extension-side mounting hole being formed vertically through the body-side mounting portion and the extension-side mounting portion, respectively. Further provided are mounting members adapted to be inserted into the mounting holes to connect the body blade and the extension blade with each other, and positioning members and a cutout portion for aligning the positions of the body-side mounting hole and the extension-side mounting hole vertically with each other and inhibiting the body-side mounting portion and the extension-side mounting portion from pivoting around the mounting members.
    • 公开了一种具有叶片的工作机,所述叶片包括主体叶片和延伸叶片,所述主体叶片具有主体侧安装部分,所述主体侧安装部分具有主体侧安装孔,所述延伸叶片具有延伸侧安装部分, 延伸侧安装孔,主体侧安装孔和延伸侧安装孔分别垂直地形成在主体侧安装部和延伸侧安装部上。 还提供了适于插入到安装孔中以将主体叶片和延伸叶片彼此连接的安装构件,以及用于使主体侧安装孔和延伸侧安装件的位置对准的定位构件和切口部 并且禁止体侧安装部和延伸侧安装部围绕安装构件枢转。
    • 16. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US06999690B2
    • 2006-02-14
    • US10617024
    • 2003-07-11
    • Yasunari WatanabeMotoki Adachi
    • Yasunari WatanabeMotoki Adachi
    • G03G15/02
    • G03G15/0266G03G2215/021
    • Provided is an image forming apparatus including a unit for controlling each voltage value of peak-to-peak voltages of DC and AC voltages applied to a charging unit for charging an image bearing member, in which a residual charge eliminating unit conducts charge elimination on a surface of the image bearing member while at least the charging unit undergoes an application of the AC voltage including the peak-to-peak voltage that is, in the case of setting at Vth a discharge start voltage to the image bearing member when applying the DC voltage to the charging unit, twice or smaller than this discharge start voltage Vth. With this image forming apparatus, it is possible to restrain an occurrence of a defect in an image which is attributable to an instability of a charging potential on the image bearing member by stabilizing a potential on the image bearing member at zero even in a case where the AC voltage applied to the charging unit for the image bearing member is the peak-to-peak voltage that is twice or smaller than Vth.
    • 提供了一种图像形成装置,包括:用于控制施加到用于对图像承载部件充电的充电单元的DC和AC电压的峰 - 峰电压的每个电压值的单元,其中剩余电荷消除单元在 至少在充电单元施加包括峰 - 峰电压的AC电压的情况下,图像承载部件的表面,在施加DC时,在将Vth设定为图像承载部件的放电开始电压的情况下 充电单元的电压为该放电开始电压Vth的2倍以上。 利用该图像形成装置,通过使图像承载部件上的电位稳定在零,即使在图像承载部件上的电位不稳定的图像中也可以抑制图像中的缺陷的发生,即使在 施加到图像承载部件的充电单元的AC电压是峰值电压,其峰值电压是Vth的两倍或者更小。
    • 17. 发明授权
    • Image forming apparatus with image bearing member charger that reduces the amount of toner electric charge
    • 具有图像承载部件充电器的图像形成装置,其减少调色剂电荷的量
    • US06421512B2
    • 2002-07-16
    • US09749540
    • 2000-12-28
    • Yasunari WatanabeMotoki AdachiMasao Uyama
    • Yasunari WatanabeMotoki AdachiMasao Uyama
    • G03G1530
    • G03G15/0216G03G21/0064G03G21/007G03G2215/021G03G2221/0005
    • An image forming apparatus includes an image bearing member for bearing an electrostatic image; a developing unit for developing the electrostatic image on the image bearing member with toner electrically charged to a predetermined polarity; a transfer unit for transferring the toner image from the image bearing member to a transfer material; a toner charging unit for electrically charging residual toner remaining on the image bearing member to the same polarity as the predetermined polarity; and an image bearing member charging unit for contacting to the image bearing member carrying the toner charged by the toner charging unit to electrically charge the image bearing member to the same polarity as the predetermined polarity, the image bearing member charging unit being effective to reduce a charge amount of the toner.
    • 图像形成装置包括用于承载静电图像的图像承载部件; 显影单元,用于利用调色剂充电到预定极性来使图像承载部件上的静电图像显影; 转印单元,用于将调色剂图像从图像承载部件转印到转印材料上; 调色剂充电单元,用于将剩余在图像承载部件上的残留调色剂充电至与预定极性相同的极性; 以及图像承载部件充电单元,用于与承载由调色剂充电单元充电的调色剂的图像承载部件接触,以对图像承载部件进行与预定极性相同的极性,图像承载部件充电单元有效地减小 调色剂的充电量。