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    • 3. 发明专利
    • Lubricant supply device, process cartridge and image forming apparatus
    • 润滑剂供应装置,工艺盒和图像形成装置
    • JP2010243997A
    • 2010-10-28
    • JP2009108517
    • 2009-04-27
    • Ricoh Co Ltd株式会社リコー
    • AKIBA YASUSHIMURAISHI TAKAYAKAWAHARA SHINICHISHINTANI TAKASHIHATORI SATOSHIKOSUGE AKIOKUWABARA NOBUOKARASAWA SHINYATOMITA DAISUKE
    • G03G21/00
    • PROBLEM TO BE SOLVED: To provide a lubricant supply device for uniformly supplying a lubricant scraped from a solid lubricant to a lubrication object. SOLUTION: The lubricant supply device 3 includes: the solid lubricant 32; a holding member 34 which holds the lubricant; a brush roller 31 for scraping the solid lubricant 32 and supplying the scraped lubricant to the photoreceptor 1; a pressure spring 33 for energizing the solid lubricant 32 toward the brush roller 31; and a lubricant supply device case 35 having an opening in a position where the solid lubricant 32 faces the brush roller 31, and arranged so as to surround the solid lubricant 32 and the holding member 34. The device is also provided with arm rotating shafts 38 and arm shaft rollers 39 for regulating the movement of the holding member 34 in the longitudinal direction, and also, preventing each longitudinal end portion of the holding member 34 from coming in contact with the inner wall of the lubricant supply device case 35 when the position thereof with respect to the lubricant supply device case 35 is secured, and when coming in contact with the holding member 34 at the inside of the longitudinal end portion of the holding member 34. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于将从固体润滑剂刮下的润滑剂均匀地供给到润滑对象的润滑剂供给装置。

      解决方案:润滑剂供给装置3包括:固体润滑剂32; 保持部件34,其保持润滑剂; 用于刮擦固体润滑剂32并将刮擦的润滑剂供应给感光体1的刷辊31; 用于使固体润滑剂32朝向刷辊31通电的压力弹簧33; 以及在固体润滑剂32面向刷辊31的位置处具有开口的润滑剂供给装置壳体35,并且被配置为包围固体润滑剂32和保持构件34.该装置还设置有臂旋转轴38 以及用于调节保持构件34在长度方向上的移动的臂轴辊39,并且还防止保持构件34的每个纵向端部与润滑剂供给装置壳体35的内壁接触, 在保持构件34的纵向端部的内侧与保持构件34接触时,确保相对于润滑剂供给装置壳体35的位置。(C)2011,JPO&INPIT

    • 4. 发明专利
    • Lubricant application mechanism, process cartridge and image forming apparatus
    • 润滑剂应用机制,工艺盒和图像形成装置
    • JP2010210799A
    • 2010-09-24
    • JP2009055271
    • 2009-03-09
    • Ricoh Co Ltd株式会社リコー
    • MURAISHI TAKAYAAKIBA YASUSHI
    • G03G21/00
    • PROBLEM TO BE SOLVED: To provide: a miniaturized lubricant application mechanism targeting long life by providing a means for suppressing variation of consumption of lubricant to variation of a rotation brush and the lubricant; a process cartridge; and an image forming apparatus.
      SOLUTION: The lubricant application mechanism 38 has a rotational torque detection means 40 for bringing a solid lubricant 35 into contact with a rotary brush 37, applying a lubricant to an image carrier 1Y from the solid lubricant 35 shaved off by the rotary brush 37 and adhering to the rotary brush 37, and forming a film by the lubricant on the surface of the image carrier 1Y to detect rotational torque of the rotary brush, and controls the number of rotations of the rotary brush 37 from the rotational torque of the rotary brush 37 obtained from the rotational torque detection means 40.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供:通过提供用于抑制润滑剂的消耗变化与旋转刷和润滑剂的变化的装置,来提供一种针对长寿命的小型化润滑剂施加机构; 处理盒; 和图像形成装置。 解决方案:润滑剂施加机构38具有用于使固体润滑剂35与旋转刷37接触的旋转扭矩检测装置40,从由旋转刷刮掉的固体润滑剂35向图像载体1Y施加润滑剂 37并粘附到旋转刷37上,并且通过图像载体1Y的表面上的润滑剂形成膜以检测旋转刷的旋转扭矩,并且根据旋转刷37的旋转扭矩来控制旋转刷37的旋转数 从旋转扭矩检测装置40获得的旋转刷37。版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Lubricant coating device and image forming device
    • 润滑涂料装置和图像形成装置
    • JP2010117555A
    • 2010-05-27
    • JP2008290750
    • 2008-11-13
    • Ricoh Co Ltd株式会社リコー
    • TOMITA DAISUKEHATORI SATOSHIAKIBA YASUSHISHINTANI TAKASHIMURAISHI TAKAYAKOSUGE AKIOYOSHINO KAORU
    • G03G21/00G03G21/10
    • PROBLEM TO BE SOLVED: To provide a lubricant coating device for preventing lack of lubricant on an image carrier immediately after the beginning of use of the lubricant coating device without reducing the productivity.
      SOLUTION: This lubricant coating device 62 chips solid zinc stearate 64 with an application brush roller 67, and applies it to a photoreceptor drum. The lubricant coating device 62 includes a powder lubricant storage section 72 for storing powder lubricant 73 to be supplied to the application brush roller 67 in the beginning of the use of the lubricant coating device 62. The lubricant coating device 62 compensates the lack of the chipping amount of the solid zinc stearate 64 in the initial stage.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种润滑剂涂覆装置,用于在使用润滑剂涂覆装置之后立即防止图像载体上的润滑剂不足而不降低生产率。 解决方案:该润滑剂涂覆装置62用施加刷辊67将固体硬脂酸锌64切片,并将其施加到感光鼓上。 润滑剂涂布装置62包括粉末润滑剂储存部分72,用于储存在开始使用润滑剂涂覆装置62时供应给施加刷辊67的粉末润滑剂73.润滑剂涂覆装置62补偿缺少切屑 固体硬脂酸锌64的量在初始阶段。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Cleaning device and image forming apparatus
    • 清洁装置和图像形成装置
    • JP2010066466A
    • 2010-03-25
    • JP2008232140
    • 2008-09-10
    • Ricoh Co Ltd株式会社リコー
    • AKIBA YASUSHIMURAISHI TAKAYASHINTANI TAKASHIHATORI SATOSHIKOSUGE AKIROYOSHINO KAORUTOMITA DAISUKE
    • G03G21/10
    • PROBLEM TO BE SOLVED: To provide a cleaning device which prevents the lowering of the conveying ability of a conveying member when temperature is high and suppresses the occurrence of image irregularities when the temperature is low, and to provide an image forming apparatus. SOLUTION: The cleaning device 20 includes: a cleaning blade 22 removing foreign matters on an image carrier 3; a conveying coil 23 conveying the foreign matter removed by the cleaning member to the outside of the device by the rotation thereof; and a vibrating member 25 vibrated to sweep the foreign matter in accordance with the rotation of the conveying coil 23. The vibrating member 25 comprises a shape memory member which is normally held in a separated position away from the conveying coil 23 and displaced to a previously stored operation position for vibrating the conveying coil 23, when the vibrating member 25 is stimulated at a predetermined temperature or more. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种清洁装置,其防止当温度高时输送部件的输送能力降低,并且在温度低时抑制图像不均匀的发生,并提供图像形成装置。 解决方案:清洁装置20包括:去除图像载体3上的异物的清洁刮板22; 传送线圈23,其通过其旋转将由清洁构件移除的异物传送到设备的外部; 并且振动构件25被振动以根据输送线圈23的旋转来扫除异物。振动构件25包括形状记忆构件,该形状记忆构件通常保持在远离输送线圈23的分离位置并移位到先前 当振动构件25在预定温度或更高温度下被刺激时,用于振动输送线圈23的存储操作位置。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Scorotron charging device, image forming apparatus, and process cartridge
    • SCOROTRON充电装置,图像形成装置和工艺盒
    • JP2009086091A
    • 2009-04-23
    • JP2007253202
    • 2007-09-28
    • Ricoh Co Ltd株式会社リコー
    • YOSHINO KAORUMURAISHI TAKAYASHINTANI TAKASHIAKIBA YASUSHIHATORI SATOSHIKOSUGE AKIO
    • G03G15/02
    • PROBLEM TO BE SOLVED: To provide a scorotron charging device capable of separating a cleaning member from a grid electrode without providing a complex separating mechanism and capable of reducing its cost, size, etc.
      SOLUTION: The scorotron charging device 2 includes: a shield case 22 having a discharge opening; a discharge electrode 21 disposed in the shield case 22; a grid electrode 22 extended in the discharge opening; and the cleaning member 243 moved in the lengthwise direction of the grid electrode 23 and used to clean the grid electrode 23. In the scorotron charging device 2, a cover member 246 for covering a face of the grid electrode 23, which face is opposite the cleaning member 243, is disposed in a standby position 247 located within a predetermined area of the grid electrode 23 for keeping the cleaning member 243 in a standby state when cleaning is not carried out. A distance from the face of the grid electrode 23 to a face of the cover member 246, which face is opposite the grid electrode 23, is a distance by which the cleaning member 243 moves onto the cover member 246 from the grid electrode 23 by the movement of the cleaning member 243.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决方案:提供一种能够在不提供复杂的分离机构的情况下将清洁部件与网格电极分离的粉碎机充电装置,并且能够降低其成本,尺寸等。解决方案:火花塞充电装置 2包括:具有排出口的屏蔽壳22; 布置在屏蔽壳22中的放电电极21; 在排出口延伸的栅电极22; 并且清洁构件243沿着栅电极23的长度方向移动并用于清洁栅电极23.在烤火番茄充电装置2中,覆盖栅电极23的面的盖构件246, 清洁构件243设置在位于栅电极23的预定区域内的待机位置247中,以在不执行清洁时将清洁构件243保持在待机状态。 从栅电极23的表面到盖构件246的与栅电极23相对的面的距离是清洁构件243从栅电极23移动到覆盖构件246上的距离, 清洁部件243的运动。版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2009075399A
    • 2009-04-09
    • JP2007245011
    • 2007-09-21
    • Ricoh Co Ltd株式会社リコー
    • KOSUGE AKIOAKIBA YASUSHIMURAISHI TAKAYASHINTANI TAKASHIHATORI SATOSHIYOSHINO KAORU
    • G03G15/02
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of maintaining favorably image quality over a long period, by cleaning respectively both a charging member of a charging means and a gap holding member thereof at respective proper conditions.
      SOLUTION: This image forming apparatus is provided with a photoreceptor 40, and a charging device 70 for charging uniformly the photoreceptor 40, and the charging device 70 comprises: a charging roller 77 including the charging member 82 for charging the photoreceptor 40, a support body 81 for supporting the charging member 82, and the gap holding member 83 abutting to the photoreceptor 40 and for holding a gap between the photoreceptor 40 and the charging member 82; a charging part cleaning roller 84 for cleaning the charging member 82; and a gap holding part cleaning roller 86 for cleaning the gap holding member 83.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供能够在相当适当的条件下分别清洁充电装置的充电部件和间隙保持部件的长时间保持良好的图像质量的图像形成装置。 解决方案:该图像形成装置设置有感光体40和用于均匀地对感光体40进行充电的充电装置70,并且充电装置70包括:充电辊77,其包括用于对感光体40充电的充电部件82, 用于支撑充电构件82的支撑体81和与感光体40邻接并用于在感光体40和充电构件82之间保持间隙的间隙保持构件83; 充电部件清洁辊84,用于清洁充电部件82; 以及用于清洁间隙保持部件83的间隙保持部清洁辊86.版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Cleaning device, and image forming apparatus
    • 清洁装置和图像形成装置
    • JP2007206277A
    • 2007-08-16
    • JP2006023750
    • 2006-01-31
    • Ricoh Co Ltd株式会社リコー
    • AKIBA YASUSHI
    • G03G21/10
    • PROBLEM TO BE SOLVED: To provide a cleaning device and an image forming apparatus which prevent an image carrier from being injured by a cleaning blade containing an abrasive material when detaching the image carrier from an image forming apparatus body. SOLUTION: The cleaning device comprises an image forming tray device 50 holding a photoreceptor 1 and a cleaning unit 30 including a first cleaning blade 11 and a second cleaning blade 12 containing an abrasive material, in order from the upstream side in a rotation direction of the photoreceptor 1 and is configured so as to be allowed to be drawn out of an image forming apparatus body 100 with the cleaning unit 30 and the photoreceptor 1 mounted on the image forming tray device 50, and the cleaning unit 30 is configured so as to be allowed to be detached from the image forming tray device 50 after separation from the photoreceptor 1 of the second cleaning blade 12. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种清洁装置和图像形成装置,当从图像形成装置主体分离图像载体时,防止图像载体受到包含研磨材料的清洁刮板的伤害。 解决方案:清洁装置包括保持感光体1的图像形成托盘装置50和包括第一清洁刮板11和包含研磨材料的第二清洁刮板12的清洁单元30,从旋转的上游侧开始 感光体1的方向,并且被配置为允许从清洁单元30和感光体1安装在图像形成托盘装置50上的图像形成装置主体100中被拉出,并且清洁单元30被配置为 以便在与第二清洁刮刀12的感光体1分离之后被允许从图像形成托盘装置50分离。(C)2007,JPO&INPIT