Changing member having a charging surface arranged with respect to a
tangent line
    3.
    发明授权
    Changing member having a charging surface arranged with respect to a tangent line 失效
    充电构件具有相对于切线布置的充电表面

    公开(公告)号:US5475471A

    公开(公告)日:1995-12-12

    申请号:US998858

    申请日:1992-12-30

    IPC分类号: G03G15/00 G03G15/02

    CPC分类号: G03G15/0216 G03G2221/183

    摘要: A charging device, for use with an image forming apparatus with a detachable process cartridge, includes a movable member to be charged, and a charging member adjacent to the movable member. An oscillating voltage is applied to the charging member. The charging member includes a charging surface at the same side as the movable member. A tangent line extends from a point on the charging member, the point being the most downstream point in a moving direction of the movable member at a closest portion between the charging member and the image bearing member, toward the downstream side in the moving direction of the movable member. The charging device may include a first charging region and a second charging region provided at a downstream side from the first charging region, wherein a peak-to-peak voltage of unevenness in charging of a potential of the first charging region is greater than a peak-to-peak voltage of unevenness in charging of a potential of the second charging region.

    摘要翻译: 一种与具有可拆卸处理盒的图像形成装置一起使用的充电装置包括可充电的可移动部件和与可移动部件相邻的充电部件。 向充电部件施加振荡电压。 充电部件包括与可动部件同侧的充电面。 切线从充电构件上的点延伸,该点是可动构件在充电构件和图像承载构件之间的最靠近的部分的移动方向上的最下游点,朝向在移动方向的移动方向上的下游侧 可动构件。 充电装置可以包括设置在第一充电区域的下游侧的第一充电区域和第二充电区域,其中第一充电区域的电位充电不均匀的峰峰值电压大于峰值 在第二充电区域的电位充电不均匀的峰值电压。

    Charging apparatus and process cartridge
    4.
    发明授权
    Charging apparatus and process cartridge 失效
    充电设备和处理盒

    公开(公告)号:US5678141A

    公开(公告)日:1997-10-14

    申请号:US271673

    申请日:1994-01-30

    CPC分类号: G03G15/0208

    摘要: A charging apparatus includes a charging surface for charging a member to be charged, wherein a voltage is applied between the charging apparatus and the member to be charged; and projections for contacting the charging apparatus substantially at three positions to the member to be charged to closely face a charging surface to the member to be charged.

    摘要翻译: 充电装置包括用于对要充电的构件充电的充电表面,其中在充电装置和要充电的构件之间施加电压; 以及用于将充电装置基本上在三个位置处与要充电的构件接触以将充电表面紧密地面对要充电的构件的突起。

    Charging device, process cartridge and image forming apparatus
    5.
    发明授权
    Charging device, process cartridge and image forming apparatus 失效
    充电装置,处理盒和成像装置

    公开(公告)号:US5546167A

    公开(公告)日:1996-08-13

    申请号:US265273

    申请日:1994-07-01

    IPC分类号: G03G21/16 G03G15/02 G03G21/18

    CPC分类号: G03G15/0208

    摘要: A charging member has a charging surface having a concave surface that is positioned on the opposite side of a line H than a side at which an object to be charged is disposed, wherein H is a line that (i) is tangent to a surface of the object to be charged at a point at a downstream end of a contact section or a closest-proximity section between the charging surface and the object to be charged, and (ii) extends downstream from the point of tangency, where the downstream direction is determined with respect to a direction of movement of the object to be charged. By this arrangement, a charging region can be enlarged and periodic fluctuations in a surface potential of the object to be charged can be mitigated.

    摘要翻译: 充电构件具有充电表面,其具有位于与设置被充电体的一侧相对的线H的相对侧的凹面,其中,H是与(i)与 在充电表面和被充电物体之间的接触部分的下游端的点处或被充电的物体之间的最近邻近部分处被充电的物体,以及(ii)从相切点的下游延伸,其中下游方向为 相对于待充电物体的移动方向确定。 通过这种布置,可以扩大充电区域,并且可以减轻要充电的物体的表面电位的周期性波动。

    Contact charger having an oscillating voltage for charging a
photosensitive member
    7.
    发明授权
    Contact charger having an oscillating voltage for charging a photosensitive member 失效
    接触充电器具有用于对感光构件充电的振荡电压

    公开(公告)号:US5715499A

    公开(公告)日:1998-02-03

    申请号:US811620

    申请日:1997-03-05

    IPC分类号: G03G15/02 G03G21/18

    摘要: An image forming apparatus includes an image bearing member; an image forming device for forming an image on the image bearing member, the image forming device being provided with a charging member which is disposed in contact or proximity with the image bearing member to electrically charge the image bearing member; wherein the charging member is supplied with an oscillating voltage, and there is provided a voltage set period in which a peak-to-peak voltage of the oscillating voltage is higher in a period in which the image is not formed on the image bearing member than in a period in which the image is formed on the image bearing member.

    摘要翻译: 图像形成装置包括:图像承载部件; 图像形成装置,用于在图像承载部件上形成图像,图像形成装置设置有与图像承载部件接触或接近地设置以对图像承载部件进行充电的充电部件; 其中充电构件被提供振荡电压,并且提供了一个电压设定周期,其中在图像承载部件上未形成图像的时间段内,振荡电压的峰 - 峰电压高于 在图像承载部件上形成图像的期间。