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    Image forming apparatus
    1.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US6122466A

    公开(公告)日：2000-09-19

    申请号：US413466

    申请日：1999-10-06

    申请人： Fumitaka Aoki ,  Atsushi Hosoi

    发明人： Fumitaka Aoki ,  Atsushi Hosoi

    IPC分类号： G03G15/08 ,  G03G21/16 ,  G03G15/00

    CPC分类号： G03G21/1628 ,  G03G2221/163 ,  G03G2221/1687

    摘要： An image forming apparatus includes a lower structural body, an upper structural body turnable around a turning shaft between a closed position in which the upper structural body is closed with respect to the lower structural body and an opened position in which the upper structural body is opened upward with respect to the lower structural body, and a developing device which develops, with a developing agent, an electrostatic image formed on a photosensitive drum. The developing device is disposed inside the upper structural body and includes a developing roller rotatable around a rotating axis to bear and transport the developing agent to a developing position and a developing-agent container containing the developing agent. An axial direction of the rotating axis of the developing roller intersects with an axial direction of the turning shaft of the upper structural body. An angle by which the upper structural body is turned from the closed position to the opened position is not more than an angle of repose of the developing agent.

    摘要翻译： 一种图像形成装置，包括下结构体，上结构体，其围绕转轴绕相对于下结构体关闭的关闭位置和上结构体打开的打开位置之间转动 相对于下部结构体向上的显影装置，以及用显影剂显影形成在感光鼓上的静电图像的显影装置。 显影装置设置在上结构体的内部，并且包括可围绕旋转轴线旋转的显影辊，以将显影剂承载并输送到显影位置，以及容纳显影剂的显影剂容器。 显影辊的旋转轴的轴向与上部结构体的转动轴的轴向相交。 上部结构体从关闭位置转动到打开位置的角度不大于显影剂的休止角。

    Charging device and image forming apparatus
    3.
    发明授权
    Charging device and image forming apparatus 失效
    充电装置及成像装置

    公开(公告)号：US5305177A

    公开(公告)日：1994-04-19

    申请号：US786557

    申请日：1991-11-01

    申请人： Fumitaka Aoki ,  Yasushi Sato ,  Norio Hashimoto ,  Tetsuo Saito ,  Hirokazu Ikenoue ,  Kenji Nagata ,  Toshihiko Yamanaka

    发明人： Fumitaka Aoki ,  Yasushi Sato ,  Norio Hashimoto ,  Tetsuo Saito ,  Hirokazu Ikenoue ,  Kenji Nagata ,  Toshihiko Yamanaka

    IPC分类号： G03G15/02 ,  G03G15/16 ,  G03G15/00

    CPC分类号： G03G15/0216 ,  G03G15/0283

    摘要： A charging device includes a charging member contactable to a member to be charged. A bias source includes an AC source and a DC source and is effective to apply a bias voltage to the charging member. The bias voltage is provided by a superposing a constant current controlled AC voltage and a constant voltage controlled DC voltage. When a DC voltage is applied between the charging member and the member to be charged, the following equation is satisfied..vertline.(applied voltage V)-(charge voltage V.sub.D of the member to be charged).vertline.=.vertline.(charge starting voltage V.sub.TH).vertline..The charge starting voltage is a DC voltage at a level which the member to be charged starts charging when only a DC voltage is applied between the member to be charged and the charging member. When the above relationship is used in the AC voltage application, the charge voltage V.sub.D oscillates in the charge region with a center of DC voltage V.sub.DC. Since the peak-to-peak voltage of the oscillating voltage required for uniform charging changes with ambient conditions, it is necessary to compensate for this change. The electric current supplied to the charging member by the oscillating component provided by the AC source is controlled to be constant. Since the charge potential of the member to be charged is determined by the DC voltage component, it is charged to a constant potential by supplying a constant DC voltage level. Therefore, the DC voltage source of the bias voltage effects a constant voltage control.

    摘要翻译： 充电装置包括可与要充电的构件接触的充电构件。 偏置源包括AC源和DC源，并且有效地向充电构件施加偏置电压。 偏置电压由叠加恒流控制的交流电压和恒定电压控制的直流电压提供。 当在充电构件和被充电构件之间施加直流电压时，满足下列等式。 /（施加电压V） - （待充电部件的充电电压VD）/ = /（充电开始电压VTH）/。 充电起始电压是在被充电部件与充电部件之间仅施加直流电压时被充电部件开始充电的水平的直流电压。 当在AC电压施加中使用上述关系时，充电电压VD在具有直流电压VDC的中心的充电区域中振荡。 由于均匀充电所需的振荡电压的峰 - 峰电压随环境条件而变化，因此有必要对此进行补偿。 通过由AC源提供的振荡部件供应给充电部件的电流被控制为恒定。 由于要充电的部件的充电电位由直流电压分量确定，所以通过提供恒定的直流电压电平将其充电到恒定电位。 因此，偏置电压的直流电压源实现恒压控制。

    Fixing device having blower for supplying a blast of air
    5.
    发明授权
    Fixing device having blower for supplying a blast of air 失效
    具有用于供应空气的鼓风机的固定装置

    公开(公告)号：US4963942A

    公开(公告)日：1990-10-16

    申请号：US232170

    申请日：1988-08-15

    申请人： Fumitaka Aoki

    发明人： Fumitaka Aoki

    IPC分类号： B64C13/16 ,  G03G15/20

    CPC分类号： G03G15/2003 ,  G03G15/2042

    摘要： An image forming apparatus has a device for forming an unfixed image on a support member, a heat fixing device for fixing the unfixed image by applying heat, and a blower for supplying a blast of air to the heat fixing device. The blast area to the heat fixing device by the blower differs depending on the size of the support member.

    摘要翻译： 图像形成装置具有用于在支撑构件（3）上形成未定影图像的装置，用于通过向其施加热量来固定未定影图像的热定影装置（B），以及用于向热定影装置 。 通过鼓风装置到热定影装置（B）的喷射区域根据支撑构件（3）的尺寸而不同。