Developing apparatus, image forming apparatus, and process cartridge
    1.
    发明授权
    Developing apparatus, image forming apparatus, and process cartridge 有权
    显影装置,成像装置和处理盒

    公开(公告)号:US08073350B2

    公开(公告)日:2011-12-06

    申请号:US12140032

    申请日:2008-06-16

    IPC分类号: G03G15/08

    摘要: A disclosed developing apparatus employs a flare roller that is a toner carrier in which electrodes of two different phases are provided at fine intervals. Density irregularities or scumming in a developed image due to a potential difference between the flare roller and a latent image carrier are prevented by maintaining a constant potential on the flare roller surface. A voltage is applied to the electrodes on the flare roller such that an electric field that varies with time is generated between the electrodes, whereby a toner cloud is produced by the movement or hopping of toner over the flare roller. Thereby the toner attaches to a latent image on the latent image carrier, thus developing the latent image. In one embodiment, a bias with an average potential equal to an average potential of the bias applied to the electrodes is applied to a toner layer thickness regulating member.

    摘要翻译: 所公开的显影装置使用作为调色剂载体的火炬辊,其中以精细的间隔设置两个不同相的电极。 通过在火炬辊表面上保持恒定的电位来防止由于眩光辊和潜像载体之间的电位差引起的显影图像中的密度不均匀或浮渣。 向火炬辊上的电极施加电压,使得在电极之间产生随时间变化的电场,从而通过调色剂在火炬辊上的移动或跳动产生调色剂云。 由此,调色剂附着在潜影载体上的潜像,从而显影潜像。 在一个实施例中,将平均电位等于施加到电极的偏置的平均电位的偏压施加到调色剂层厚度调节构件。

    Developing device, a process cartridge and an image forming apparatus including a toner carrier and a voltage supply
    2.
    发明授权
    Developing device, a process cartridge and an image forming apparatus including a toner carrier and a voltage supply 有权
    显影装置,处理盒和包括调色剂载体和电压源的图像形成装置

    公开(公告)号:US07912410B2

    公开(公告)日:2011-03-22

    申请号:US12205240

    申请日:2008-09-05

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0818

    摘要: A developing device for a toner powder cloud development system, which can achieve high image quality and can be made compact. The developing device has a two-component development unit, a toner carrier, and an alternating current power source. The toner carrier, which is arranged opposing a latent image carrier, has a plurality of electrodes disposed in a line in a prescribed direction on the surface thereof, and mutually insulated. The alternating current power source supplies a voltage such that an electric field across the plurality of electrodes is temporally switched. The inter-electrode electric field causes the toner being carried on the surface of the toner carrier to carry out hopping, thereby forming a toner powder cloud and carrying out development. The movement speed of the latent image carrier and the linear velocity of the toner carrier are set at approximately equivalent speeds.

    摘要翻译: 一种用于调色剂粉末云显影系统的显影装置,其可以实现高图像质量并且可以被制造成紧凑。 显影装置具有双组分显影单元,调色剂载体和交流电源。 与潜像载体相对配置的调色剂载体具有在其表面上沿规定方向配置成一排的多个电极,并且彼此绝缘。 交流电源提供电压,使得跨越多个电极的电场在时间上切换。 电极间电场使得调色剂承载在调色剂载体的表面上进行跳跃,从而形成调色剂粉末并进行显影。 潜像载体的移动速度和调色剂载体的线速度被设定为大致相等的速度。

    Hopping toner development apparatus and image formation apparatus
    3.
    发明授权
    Hopping toner development apparatus and image formation apparatus 有权
    脱色调色剂显影装置和图像形成装置

    公开(公告)号:US07783235B2

    公开(公告)日:2010-08-24

    申请号:US11868698

    申请日:2007-10-08

    IPC分类号: G03G15/08 G03G15/09

    摘要: A development apparatus using a hopping method and an image formation apparatus including the development apparatus are disclosed. The development apparatus includes a toner supporting object for supporting and conveying a toner by a movement of the toner supporting object, while the toner is hopping on a surface of the toner supporting object by an electric field; a regulating member made of a flexible material for constituting a toner thickness regulation position; a latent image supporting object for supporting a latent image; and a development position, which is a position of the toner supporting object, that counters the latent image supporting object; wherein the toner is conveyed through the regulation position to the development position where the toner is adhered to the latent image, and wherein one end of the regulating member is supported, and the other end contacts the toner supporting object.

    摘要翻译: 公开了一种使用跳频方法的显影设备和包括显影设备的图像形成设备。 显影装置包括调色剂支撑物体,用于通过调色剂支撑物体的移动来支撑和输送调色剂,同时调色剂通过电场在调色剂支撑物体的表面上跳跃; 由用于构成调色剂厚度调节位置的柔性材料制成的调节件; 用于支持潜像的潜像支持对象; 以及显影位置,其是调色剂支撑对象的位置,用于对潜像支撑对象进行计数; 其中所述调色剂通过所述调节位置传送到所述显影位置,其中所述调色剂粘附到所述潜像,并且所述调节构件的一端被支撑,并且所述另一端接触所述调色剂支撑体。

    Development device and image forming apparatus having electrodes that cause toner particles to form a toner cloud on the surface of the toner carrier
    4.
    发明授权
    Development device and image forming apparatus having electrodes that cause toner particles to form a toner cloud on the surface of the toner carrier 有权
    具有使调色剂颗粒在调色剂载体的表面上形成调色剂云的电极的显影装置和图像形成装置

    公开(公告)号:US08165510B2

    公开(公告)日:2012-04-24

    申请号:US12121122

    申请日:2008-05-15

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0818 G03G2215/0651

    摘要: The development device includes a toner carrier, a toner supplier, and a surface electrical potential controller. When the toner supplier supplies toner particles to the toner carrier, the toner carrier carries toner particles to adhere to a latent image formed on the latent image carrier and has a time constant τ1 of a surface electrical potential change of the toner carrier. The surface electrical potential controller has a time constant τ2 of a surface electrical potential change of the toner carrier smaller than the time constant τ1. The toner carrier includes a plurality of electrodes aligned in parallel and electrically insulated from each other on the surface thereof, and a voltage supplier for supplying each of the plurality of electrodes with a voltage to periodically switch electrical fields therebetween, so that the toner particles form a cloud on the surface of the toner carrier while hopping.

    摘要翻译: 显影装置包括调色剂载体,调色剂供应器和表面电位控制器。 当调色剂供应商将调色剂颗粒供应到调色剂载体上时,调色剂载体携带调色剂颗粒以粘附在潜像载体上形成的潜像,并具有调色剂载体的表面电位变化的时间常数τ1。 表面电位控制器具有小于时间常数τ1的调色剂载体的表面电位变化的时间常数τ2。 调色剂载体包括在其表面上平行排列并彼此电绝缘的多个电极,以及电压供应器,用于向多个电极中的每一个提供电压以周期性地切换其间的电场,使得调色剂颗粒形成 在调色剂载体的表面上的云层跳跃。

    Development device
    5.
    发明授权
    Development device 失效
    开发设备

    公开(公告)号:US08005409B2

    公开(公告)日:2011-08-23

    申请号:US12468955

    申请日:2009-05-20

    IPC分类号: G03G15/08 G03G15/06

    摘要: A development device includes an open-ended housing, a rotatable roller, an array of multiple primary electrodes, a voltage source, a sealing member, and a secondary electrode. The housing accommodates toner for application to the photoconductive surface through an end opening thereof. The roller has an outer circumferential surface to deliver the toner from within the housing to a development zone. The array of multiple primary electrodes are aligned with each other on the roller surface. The voltage source applies a periodic pulse voltage to at least a subset of the primary electrodes to generate an oscillating primary electric field. The sealing member seals clearance between the roller surface and an edge of the end opening downstream from the development zone. The secondary electrode generates a secondary electric field to force the toner from the sealing member toward the roller surface to prevent premature removal of the toner.

    摘要翻译: 显影装置包括开口壳体,可旋转辊,多个主电极阵列,电压源,密封构件和次级电极。 壳体通过其端部开口容纳用于施加到光导表面的调色剂。 辊具有外周表面,以将调色剂从壳体内传送到显影区。 多个主电极的阵列在辊表面上彼此对准。 电压源将周期脉冲电压施加到主电极的至少一个子集,以产生振荡的初级电场。 密封构件密封辊表面与开发区下游的端部开口的边缘之间的间隙。 次级电极产生二次电场以迫使调色剂从密封构件朝向辊表面以防止调色剂的过早去除。

    DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS
    7.
    发明申请
    DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS 有权
    开发设备和图像形成装置

    公开(公告)号:US20080286015A1

    公开(公告)日:2008-11-20

    申请号:US12121122

    申请日:2008-05-15

    IPC分类号: G03G15/06

    CPC分类号: G03G15/0818 G03G2215/0651

    摘要: The development device includes a toner carrier, a toner supplier, and a surface electrical potential controller. When the toner supplier supplies toner particles to the toner carrier, the toner carrier carries toner particles to adhere to a latent image formed on the latent image carrier and has a time constant τ1 of a surface electrical potential change of the toner carrier. The surface electrical potential controller has a time constant τ2 of a surface electrical potential change of the toner carrier smaller than the time constant τ1. The toner carrier includes a plurality of electrodes aligned in parallel and electrically insulated from each other on the surface thereof, and a voltage supplier for supplying each of the plurality of electrodes with a voltage to periodically switch electrical fields therebetween, so that the toner particles form a cloud on the surface of the toner carrier while hopping.

    摘要翻译: 显影装置包括调色剂载体,调色剂供应器和表面电位控制器。 当调色剂供应商将调色剂颗粒供应给调色剂载体时,调色剂载体携带调色剂颗粒以附着在潜像载体上形成的潜像,并具有调色剂载体的表面电位变化的时间常数τ1。 表面电位控制器具有小于时间常数τ1的调色剂载体的表面电位变化的时间常数τ2。 调色剂载体包括在其表面上平行排列并彼此电绝缘的多个电极,以及电压供应器,用于向多个电极中的每一个提供电压以周期性地切换其间的电场,使得调色剂颗粒形成 在调色剂载体的表面上的云层跳跃。

    DEVELOPMENT APPARATUS AND AN IMAGE FORMATION APPARATUS
    8.
    发明申请
    DEVELOPMENT APPARATUS AND AN IMAGE FORMATION APPARATUS 审中-公开
    开发设备和图像形成设备

    公开(公告)号:US20080089723A1

    公开(公告)日:2008-04-17

    申请号:US11868735

    申请日:2007-10-08

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0803 G03G2215/0621

    摘要: An image formation apparatus using a hopping method is disclosed. Toner provided on a moving surface of a toner supporting object is conveyed, while the toner is hopping on the surface due to an electric field, to a position that counters a latent image supporting object by movement of the surface, and is adhered to a latent image formed on the latent image supporting object. The image formation apparatus includes a supply member for scooping up the toner in a toner container by plural hollows formed on a surface of the supply member with endless movement of the surface of the supply member, for conveying the toner to a position where the supply member contacts the toner supporting object, and for providing the toner to the surface of the toner supporting object.

    摘要翻译: 公开了一种使用跳频方法的图像形成装置。 当调色剂由于电场而在表面上跳跃时,提供在调色剂支撑物体的移动表面上的调色剂被传送到通过表面移动对着潜像支撑物体的位置,并粘附到潜在的 形成在潜像支撑物上的图像。 图像形成装置包括:供给部件,用于在供给部件的表面上形成有多个形成在供给部件的表面上的多个中空部,从而将调色剂输送到供给部件的位置, 接触调色剂支撑物体,并将调色剂提供到调色剂支撑物体的表面。

    Development device and image forming apparatus that uses this device
    9.
    发明授权
    Development device and image forming apparatus that uses this device 有权
    使用该装置的显影装置和图像形成装置

    公开(公告)号:US07920812B2

    公开(公告)日:2011-04-05

    申请号:US12261302

    申请日:2008-10-30

    IPC分类号: G03G15/08

    CPC分类号: G03G15/0818 G03G2215/0653

    摘要: A development device provided with a first electrode layer and a second electrode layer, which are laminated so as to overlap one another in a normal direction with respect to the surface of the roller part of the toner bearing roller. A plurality of openings are provided in the second electrode layer, over the entire latent image bearable area of a photosensitive body in the orthogonal-to-movement direction. The toner on the surface of the roller part is caused to hop between a plurality of spots directly beneath the openings that respectively exist directly beneath the plurality of openings in the second electrode layer, and a plurality of spots between the openings that respectively exist between the plurality of openings in the second electrode layer, within the entire area of the first electrode layer which is uniformly formed in the roller circumferential direction.

    摘要翻译: 一种显影装置,其具有第一电极层和第二电极层,该第一电极层和第二电极层相对于调色剂承载辊的辊部的表面在法线方向上彼此重叠。 在第二电极层中,在正交移动方向上的感光体的整个潜像可承受区域上设置多个开口。 导致辊部分表面上的调色剂在直接位于开口下面的多个位于第二电极层的多个开口正下方的多个点之间跳跃,并且开口之间的多个点分别存在于第二电极层之间 在第一电极层的沿辊周向均匀地形成的整个区域内的第二电极层中的多个开口。