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    • 1. 发明授权
    • Method for driving development unit for image forming apparatus to
simultaneously remove drip lines
    • 用于驱动图像形成装置的显影单元以同时去除滴水线的方法
    • US5907754A
    • 1999-05-25
    • US74386
    • 1998-05-08
    • Wan-ha KimKee-son ChangJin-geun Kwak
    • Wan-ha KimKee-son ChangJin-geun Kwak
    • G03G15/06G03G15/01G03G15/11G03G15/10
    • G03G15/0121G03G15/11G03G2215/017
    • A method for driving development devices of an image forming apparatus including the steps of: (a) simultaneously rotating gear cams of the respective development devices for colors Y (yellow), M (magenta), C (cyan) and K (black); (b) determining whether the frame of the development devices is lifted to a preset position; (c) rotating a developing roller; (d) coating a developer liquid on an image portion of a photoreceptor belt; (e) determining whether the image portion has passed through a transfer roller or not; (f) simultaneously rotating the gear cams of the respective development devices for colors Y, M, C and K if the image portion has passed through the transfer roller; (g) determining whether the distance between the frame and the photoreceptor belt is a preset value; (h) simultaneously stopping the gear cams of the respective development devices for colors Y, M, C and K if the distance between the frame and the photoreceptor belt is the preset value; and (i) simultaneously removing drip lines by simultaneously reversely rotating first and second squeegee rollers in the respective development devices. Therefore, the overall configuration becomes simplified, thereby reducing the fabrication cost, as well as making maintenance and repair thereof easy.
    • 一种用于驱动图像形成装置的显影装置的方法,包括以下步骤:(a)同时旋转各种显影装置的颜色Y(黄色),M(品红色),C(青色)和K(黑色)的齿轮凸轮; (b)确定显影装置的框架是否提升到预设位置; (c)旋转显影辊; (d)将显影液涂覆在感光带的图像部分上; (e)确定图像部分是否已经通过转印辊; (f)如果图像部分已经通过转印辊,则同时旋转用于颜色Y,M,C和K的各显影装置的齿轮凸轮; (g)确定框架和感光带之间的距离是否是预设值; (h)如果框架和感光带之间的距离是预设值,则同时停止用于颜色Y,M,C和K的各个显影装置的齿轮凸轮; 和(i)同时通过在相应的显影装置中同时反转第一和第二刮板辊来除去滴水线。 因此,整体结构变得简化,从而降低制造成本,并且使维护和修理变得容易。
    • 2. 发明授权
    • Developing device of wet type printer
    • 湿式打印机的显影装置
    • US5999778A
    • 1999-12-07
    • US126602
    • 1998-07-31
    • Kee-son ChangWan-ha KimJin-geun Kwak
    • Kee-son ChangWan-ha KimJin-geun Kwak
    • B41J2/385G03G15/10G03G21/00
    • G03G15/101G03G2215/017
    • A developing device, of a wet type printer, provided with a reservoir for holding developer liquid. A developing roller is installed at an upper region of the reservoir, and contacts a photosensitive belt. A cleaning device for cleaning the developing roller, is in contact with the developing roller. An auxiliary reservoir is installed below the developing roller, and within the reservoir, to hold a predetermined amount of the developer liquid in which the lower portion of the developing roller is immersed to a predetermined depth. The cleaning device is installed within the auxiliary reservoir to be immersed in the developer liquid and is provided with a rotating shaft and a brush installed around the circumferential surface of the rotating shaft. The developing roller is effectively cleaned, by the cleaning device, and particles adhering to the developing roller are easily removed. The removed particles are then recovered and used again in subsequent printing operations.
    • 一种湿式打印机的显影装置,其具有用于保持显影液的储存器。 显影辊安装在储存器的上部区域,并与感光带接触。 用于清洁显影辊的清洁装置与显影辊接触。 辅助储存器安装在显影辊下方,并且在储存器内部,以将预定量的显影剂液体保持在显影辊的下部浸入到预定深度。 清洁装置安装在辅助容器内以浸没在显影剂液体中,并且设置有旋转轴和安装在旋转轴的圆周表面周围的刷子。 通过清洁装置有效地清洁显影辊,并且容易地去除附着在显影辊上的颗粒。 然后将所除去的颗粒回收并再次用于随后的印刷操作。
    • 4. 发明授权
    • Image printing apparatus
    • 图像打印装置
    • US5915153A
    • 1999-06-22
    • US119939
    • 1998-07-21
    • Wan-ha KimKee-son ChangJin-geun Kwak
    • Wan-ha KimKee-son ChangJin-geun Kwak
    • G03G15/06G03G15/10G03G15/11
    • G03G15/11G03G15/101
    • An image printing apparatus includes a photoreceptor belt on which a latent electrostatic image is formed, and a plurality of development devices for developing the latent electrostatic image formed on the photoreceptor belt. Each of the development devices has a development roller for coating a developer liquid on the photoreceptor belt, and a squeegee roller for removing excess developer liquid from the photoreceptor belt. A roller driving means drives the squeegee rollers, and an elevating means elevates the development devices. The plurality of development devices are supported by a pair of frames that are spaced apart a predetermined distance from each other. The roller driving means commonly drives the squeegee rollers of the development devices. The frame elevating means displaces the pair of frames, such that the squeegee rollers are simultaneously in contact with or out of contact with the photoreceptor belt.
    • 一种图像打印设备包括其上形成有静电潜像的感光带,以及用于显影形成在感光带上的静电潜像的多个显影装置。 每个显影装置具有用于涂覆感光带上的显影液的显影辊和用于从感光带除去多余的显影液的刮板辊。 辊驱动装置驱动刮板辊,升降装置升高显影装置。 多个显影装置由彼此隔开预定距离的一对框架支撑。 辊驱动装置通常驱动显影装置的刮板辊。 框架升降装置使一对框架移位,使得刮板辊同时与感光带接触或脱离接触。
    • 5. 发明授权
    • Development apparatus with cleaning device for liquid
electrophotographic printer
    • 具有液体电子照相打印机清洁装置的开发设备
    • US5937250A
    • 1999-08-10
    • US119942
    • 1998-07-21
    • Jin-geun KwakWan-ha KimKee-son Chang
    • Jin-geun KwakWan-ha KimKee-son Chang
    • G03G21/00B41J2/385G03G15/10G03G15/11G03G21/10
    • G03G15/11
    • A development apparatus for a liquid electrophotographic printer includes a development roller for supplying a developer liquid to a photoreceptor belt on which a latent electrostatic image is formed, a plurality of squeegee rollers for removing excess developer liquid sticking to the photoreceptor belt, at least one cleaning device having a rotary body rotatably installed in proximity with at least one of the plurality of squeegee rollers, and a plurality of blades installed on the perimeter of the rotary body at a predetermined spacing, in contact with the surfaces of the respective squeegee rollers, and a rotation mechanism for selectively bringing one of the plurality of blades into contact with the surface of each squeegee roller. Therefore, when one blade is worn, the worn blade can be replaced with a new one without dismantling the development apparatus, and thus the life of the development apparatus is prolonged.
    • 一种用于液体电子照相打印机的显影装置,包括用于将显影液供给到其上形成静电潜像的感光带的显影辊,多个用于除去粘附到感光带上的多余显影剂液体的刮板辊,至少一个清洁 装置,其具有可旋转地安装在所述多个刮板辊中的至少一个上的旋转体,以及以相对于所述各个刮板辊的表面接触的预定间隔安装在所述旋转体的周边上的多个叶片,以及 用于选择性地使多个叶片中的一个叶片与每个刮板辊的表面接触的旋转机构。 因此,当一个刀片磨损时,磨损的刀片可以用新的刀片替换而不拆卸显影装置,因此显影装置的寿命延长。
    • 6. 发明授权
    • Squeeze roller assembly of wet type developer for an electrophotographic
printer
    • 用于电子照相打印机的湿式显影剂的挤压辊组件
    • US5884127A
    • 1999-03-16
    • US055698
    • 1998-04-07
    • Wan-ha KimKee-son ChangJin-geun Kwak
    • Wan-ha KimKee-son ChangJin-geun Kwak
    • B41J2/385G03G15/11G03G15/01
    • G03G15/11
    • In a squeeze roller assembly of a wet type developer of an electrophotographic printer, a shaft is rotatably installed in a frame. A first roller is fixed on the shaft for filming solid toner from a developing liquid onto a photosensitive belt. Second rollers are rotatably installed on the same shaft at both sides of the first roller. The first roller, attached to the central portion of the imaging surface of a photosensitive belt, rotates in the same direction as that of the conveying direction of the photosensitive belt. The second roller rotates in a direction opposite to the direction of the photosensitive belt by an inverse rotator. Therefore, it is possible to reduce the required installation space by having the first and second rollers share a common shaft as a rotating axis.
    • 在电子照相打印机的湿式显影剂的挤压辊组件中,轴可旋转地安装在框架中。 第一辊固定在轴上,用于将固体调色剂从显影液体成膜到感光带上。 第二辊可旋转地安装在第一辊两侧的同一轴上。 安装在感光带的成像面的中央部的第一辊沿与感光带的输送方向相同的方向旋转。 第二辊通过逆旋转器沿与感光带的方向相反的方向旋转。 因此,可以通过使第一和第二辊共享公共轴作为旋转轴来减少所需的安装空间。
    • 7. 发明授权
    • Photoreceptor web for liquid electrophotographic printer
    • 液体电子照相打印机的感光纤维网
    • US06314259B1
    • 2001-11-06
    • US09588555
    • 2000-06-07
    • Kee-son ChangJin-geun Kwak
    • Kee-son ChangJin-geun Kwak
    • G03G1510
    • G03G15/754
    • A photoreceptor web for a liquid electrophotographic printer on which a predetermined image is developed at a development unit and the developed image is transferred to a transfer unit to be printed on a sheet of paper, in which a total length of the photoreceptor web is 32±0.25 inches. The total length of the photoreceptor web is set to include a plurality of image zones in which an image to be printed on a sheet of paper is developed, an interval zone provided between the image zones as allowance zone, a drip line removing zone provided to avoid frictional contact with a squeegee roller of the development unit when the drip line is removed, a seam portion formed by combining both end portions of the photoreceptor web for forming a closed path, and a mark zone where a mark for detecting the seam portion is provided. Thus, the photoreceptor web does not occupy excess installation space in the printer and development, transfer and drip line removing operations are performed smoothly.
    • 一种用于液体电子照相打印机的感光体网,其中在显影单元处将预定图像显影,并将显影图像转印到要印刷在纸上的转印单元,其中感光体网的总长度为32± 0.25英寸 感光纤维网的总长度被设定为包括多个图像区域,其中要打印在一张纸上的图像被显影,在图像区域之间设置的间隔区域作为允许区域,提供给 当除去滴水线时,避免与显影单元的刮板辊摩擦接触,通过组合用于形成闭合路径的感光体网的两个端部形成的接缝部分和用于检测接缝部分的标记的标记区域 提供。 因此,感光体网不会占用打印机中的过多的安装空间,并且平滑地进行显影,转印和滴线去除操作。
    • 8. 发明授权
    • Squeegee roller liquid electrophotographic printer
    • 刮墨辊液体电子照相打印机
    • US06292642B1
    • 2001-09-18
    • US09615760
    • 2000-07-13
    • Kee-son ChangJin-geun Kwak
    • Kee-son ChangJin-geun Kwak
    • G03G1510
    • G03G15/11
    • A squeegee roller for a liquid electrophotographic printer includes a steel core and an elastic rubber layer coated on an outer circumferential surface of the steel core. The elastic rubber layer forms a squeegee nip by contacting a photoreceptor web, thereby to make a toner of the excess developer, which is developed in an area for an electrostatic latent image of the photoreceptor web, into a thin film in the area for electrostatic latent image and to squeeze the remaining carrier. The roughness (Ra) of a surface of the elastic rubber layer satisfies the condition, 1.5 &mgr;m≦Ra≦2.5 &mgr;m. Further ,a criss-cross grove pattern is formed on the surface of the squeegee roller so as to guide the excess developer liquid
    • 用于液体电子照相打印机的刮墨辊包括钢芯和涂覆在钢芯的外圆周表面上的弹性橡胶层。 弹性橡胶层通过使感光体网接触而形成刮墨辊压区,从而使在感光体网的静电潜像区域中显影的过量显影剂的调色剂成为静电潜伏区域中的薄膜 图像并挤压剩余的载体。 弹性橡胶层表面的粗糙度(Ra)满足条件,1.5μm
    • 9. 发明授权
    • Ink leakage prevention system for liquid electrophotographic printer
having a development tray
    • 具有显影托盘的液体电子照相打印机的墨水泄漏防止系统
    • US6125254A
    • 2000-09-26
    • US440471
    • 1999-11-15
    • Kee-son ChangJi-won SeoJin-geun Kwak
    • Kee-son ChangJi-won SeoJin-geun Kwak
    • B41J2/435G03G15/10
    • G03G15/104G03G15/10Y10S222/01
    • An ink leakage prevention system, for a liquid electrophotographic printer having a development tray, which includes a chassis, installed at a main body of the printer, a development tray, installed at the lower portion of a development unit and is detachable from the main body of the printer, wherein the developing tray accommodates developer left over after being used by the development unit for developing and which has a discharge portion for discharging the accommodated developer, a drain tray installed at the chassis to drain the developer discharged from the development tray into a circulation tank, and a discharge portion opening/shutting means for closing the discharge portion when the development tray is separated from the drain tray and for opening the discharge portion when the development tray is coupled to the drain tray. Thus, when the development tray is replaced or repaired, the parts in the main body of the printer are prevented from being damaged by any developer remaining in the development tray. Further, the present invention provides a simple structure wherein the packing holder which houses the packing member is directly installed in the discharge portion.
    • 一种用于具有显影托盘的液体电子照相打印机的墨水泄漏防止系统,该显影托盘包括安装在打印机主体上的底盘,显影托盘,其安装在显影单元的下部,并且能够从主体 的打印机,其中显影盘容纳显影单元用于显影后剩余的显影剂,并且具有用于排出容纳的显影剂的排出部分,安装在底盘上的排水盘,以将从显影盘排出的显影剂排出 循环罐,以及当显影托盘与排水盘分离并且当显影盘联接到排水盘时打开排出部分时,用于关闭排出部的排出部分打开/关闭装置。 因此,当更换或修理显影托盘时,防止打印机主体中的部件被残留在显影托盘中的任何显影剂损坏。 此外,本发明提供一种简单的结构,其中容纳填料构件的填料保持器直接安装在排放部分中。