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    • 2. 发明专利
    • トナー収容容器、及び画像形成装置
    • 托盘存储容器和图像形成装置
    • JP2014228654A
    • 2014-12-08
    • JP2013107439
    • 2013-05-21
    • 株式会社リコーRicoh Co Ltd
    • MURAYAMA TOMOKIAWAMURA JUNICHINAGATOMO NOBUYASUKOJIMA TOMOYUKISAKASHITA SHINGOFUKUDA MASAYAHOSOKAWA HIROSHIKATO SHUNJITAMAKI SHINJIIKEGUCHI HIROSHIKIKUCHI KENJISUZUKI MICHIHARU
    • G03G15/08G03G9/08
    • 【課題】トナー残量が少なくなっても、現像装置へのトナーの補給が可能なトナー収容容器を提供すること。【解決手段】トナー搬送装置に装着可能であり、トナー搬送装置に供給するトナーが収容された容器本体と、容器本体の内部に配置され、トナーを容器本体における長手方向の一端側から容器開口部が設けられた他端側に搬送する搬送部と、容器開口部に配置され、トナー搬送装置に固定された搬送管を受け入れ可能な管受入口と、搬送されたトナーを搬送管のトナー受入口に向けて移動させる汲み上げ部とを備え、トナーを50℃で1時間保管した時の凝集度が60〜75%であり、容器本体が、容器開口部の容器本体内部側から、一端側に向かって突出している突出部を有し、汲み上げ部が、容器本体内壁面から突出部に向かって伸びる汲み上げ壁面と、突出部に沿うように湾曲する湾曲部を有し、突出部が湾曲部と搬送管のトナー受入口との間に存在することを特徴とする。【選択図】図1
    • 要解决的问题:提供一种调色剂储存容器,即使当调色剂的剩余量减少时也允许向显影装置供应调色剂。解决方案:调色剂储存容器包括可附接到调色剂输送装置的容器主体 并且容纳要供应到调色剂输送装置的调色剂;输送单元,其设置在容器主体的内部,以将调色剂从容器主体的纵向方向的一端输送到设置有容器开口的另一端; 管接收口,其布置在容器开口处并且可以容纳固定到调色剂输送装置的输送管;以及泵送单元,其将输送的调色剂朝向输送管的调色剂接收口移动。 当在50℃下储存1小时时,调色剂的聚集度为60〜75%。 容器主体包括从容器主体的内部朝向容器开口的一端突出的突起; 泵送单元包括从容器主体的内壁表面朝向突起延伸的泵送壁表面和沿着突起弯曲的弯曲部分; 并且突出物存在于输送管的弯曲部分和调色剂接收口之间。
    • 3. 发明专利
    • 封止部材及び粉体収容容器及び画像形成装置
    • 密封会员,粉末储存容器和图像形成装置
    • JP2014199387A
    • 2014-10-23
    • JP2013108362
    • 2013-05-22
    • 株式会社リコーRicoh Co Ltd
    • YAMABE JUNJIKIKUCHI KENJITAMAKI SHINJIKATO SHUNJI
    • G03G15/08
    • 【課題】トナー飛散の防止と、ノズルとの摺接による発熱の低減とを両立させる。【解決手段】画像形成装置側に設けられた搬送管611と当接することで、粉体収容容器32の管挿入口331を閉位置から開位置へと移動する開閉部材332の周囲に設けられる封止部材333であって、閉位置から開位置へ向かう開閉部材332の移動方向を第1移動方向としたとき、第1移動方向における下流側の発泡密度が上流側に比べて高くなるように形成されるとともに、第1移動方向において開閉部材332および搬送管611の外側に設けられた搬送管開閉部材612が貫通可能な貫通部333hと、貫通部333hの内周が、閉位置から開位置への移動により開閉部材332の外周と摺接するとともに、開位置において搬送管開閉部材612の外周612rと相対的に回転して摺接する摺接面333aをなし、この摺接面における第1移動方向における上流側の摩擦力を下流側に比べて低くなるように形成した。【選択図】図23
    • 要解决的问题:为了实现防止调色剂飞散和由于密封构件和喷嘴之间的滑动接触而导致的发热减少。解决方案:密封构件333设置在打开/关闭构件332周围, 与设置在图像形成装置侧的输送管611接触,将粉末收纳容器32的管插入口331从关闭位置移动到打开位置。 密封构件333包括:穿透部333h,其形成为当打开/关闭构件332从关闭位置移动到打开位置的移动方向为第一移动方向时,在下游侧具有发泡密度 第一移动方向高于上游侧的移动方向,并且输送管开闭部件612能够沿第一移动方向贯通,输送管打开/关闭部件612设置在开闭部件的外侧 332和输送管611,其中穿透部333h的内周与从关闭位置到打开位置的运动相关联地与开/关构件332的外周滑动接触; 以及滑动接触表面333a,其在打开位置处相对于输送管打开/关闭构件612的外围612r相对于滑动接触而旋转,并且形成为在上游侧的滑动接触表面上具有摩擦力 在第一移动方向上比下游侧低。
    • 4. 发明专利
    • Powder conveyer and image forming device
    • 粉末输送机和图像形成装置
    • JP2013029571A
    • 2013-02-07
    • JP2011164035
    • 2011-07-27
    • Ricoh Co Ltd株式会社リコー
    • YOSHIDA KEIICHIKATO SHUNJIIKEGUCHI HIROSHITAMAKI SHINJI
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a powder conveyer that stably conveys powder regardless of the amount of powder stored, with the required minimum power and in the required minimum time.SOLUTION: The powder conveyer includes: a powder housing part that houses powder and is at least partially deformable; a discharge part that discharges the powder in the powder housing part to the outside; and a delivering member 81 that moves toward the discharge part, while pressing inward a deformable part of the powder housing part, to deliver the powder to the discharge part. The pressing amount of the delivering member 81 is varied according to the amount of powder in the powder housing part. A moving range of the delivering member 81 is variable.
    • 要解决的问题:提供一种粉末输送机,其以所需的最小功率和所需的最短时间,而不管存储的粉末的量如何稳定地输送粉末。 解决方案:粉末输送机包括:容纳粉末并且至少部分变形的粉末容纳部分; 排出部,其将粉末收纳部中的粉末排出到外部; 以及朝向排出部移动的同时向内压入粉末收纳部的变形部的输送部件81,将粉末输送到排出部。 输送构件81的按压量根据粉末容纳部中的粉末的量而变化。 输送构件81的移动范围是可变的。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Powder container, toner cartridge, pull-out tray, and image forming apparatus
    • 粉末容器,碳粉盒,推出纸盘和图像形成装置
    • JP2012177766A
    • 2012-09-13
    • JP2011040033
    • 2011-02-25
    • Ricoh Co Ltd株式会社リコー
    • YOSHIDA KEIICHIKATO SHUNJIIKEGUCHI HIROSHITAMAKI SHINJI
    • G03G15/08
    • G03G15/0874G03G15/0886G03G21/1676G03G2215/0682G03G2215/0692
    • PROBLEM TO BE SOLVED: To make it difficult for powder to leak when a toner cartridge is attached or detached and to achieve suitability for space saving and size reduction.SOLUTION: A discharge part is provided at one end of a horizontally long storage part storing powder, and a rotary shutter for opening or closing a discharge hole is provided in the discharge hole of the discharge part. When a pull-tray 62 is attached to an apparatus body, a gear wheel 73 integrally formed on one side of the rotary shutter 71 is engaged with the rack bar 64b of a vibration part 64 arranged on the apparatus body side, and the rotary shutter 71 is opened by the rotation of the gear wheel 73. A first shutter 63d and a second shutter 63f are arranged on the front fixing part 63 of the pull-out tray 62, and these two shutters 63d and 63f are opened by the interlock of the pull-out tray 62 attached to the apparatus body.
    • 要解决的问题:为了使墨粉盒安装或拆卸时粉末难以泄漏,并且实现了节省空间和减小尺寸的适用性。 解决方案:在储存粉末的水平长的存储部分的一端设置有排出部,在排出部的排出孔设置有用于打开或关闭排出孔的旋转快门。 当拉盘62附接到装置主体时,整体地形成在旋转闸门71的一侧上的齿轮73与布置在装置主体侧的振动部分64的齿条64b接合,并且旋转快门 71通过齿轮73的旋转而被打开。在拉出托盘62的前固定部63上布置有第一闸板63d和第二闸板63f,并且这两个挡板63d和63f通过互锁 拉出托盘62附接到装置主体。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Dust removing device and image forming apparatus
    • 除尘装置和图像形成装置
    • JP2010204529A
    • 2010-09-16
    • JP2009051833
    • 2009-03-05
    • Ricoh Co Ltd株式会社リコー
    • TAMAKI SHINJIUTSUNOMIYA KOICHI
    • G03G21/00G03G15/00
    • PROBLEM TO BE SOLVED: To provide a dust removing device that has a simple mechanism to prevent an expensive constitution having many components, and recovers much of the dust such as scattering toner or paper powder occurring in an apparatus without clogging, remarkably increasing the running cost, or decreasing air volume of exhaust gas flowing inside an exhaust duct; and to provide an image forming apparatus having the dust removing device. SOLUTION: The dust removing device includes an exhaust flow passage for exhausting the air in the image forming apparatus (100) to the outside of the apparatus, a dust collecting filter F for removing the dust contained in the exhaust air disposed in the exhaust duct 30 for performing mechanical exhaustion with a fan (exhaust fan 20), an air flow controlling means 81 provided upstream of the exhausting direction of the dust collecting filter F, and a dust collection recess d for controlling the dust on the top surface of the air flow controlling means (bridge material 81). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种除尘装置,其具有防止具有许多部件的昂贵构造的简单机构,并且回收大量的灰尘,例如在装置中发生的散布调色剂或纸粉而不堵塞,显着增加 运行成本或减少在排气管内流动的废气的空气量; 并提供具有除尘装置的图像形成装置。 解决方案:除尘装置包括用于将图像形成装置(100)中的空气排出到设备外部的排气流动通道,用于去除设置在图像形成装置(100)中的排气中所含的灰尘的集尘过滤器 用于通过风扇(排风扇20)进行机械排气的排气管道30,设置在集尘过滤器F的排出方向上游的空气流量控制装置81,以及用于控制集尘过滤器F的顶面上的灰尘的集尘凹部 气流控制装置(桥材料81)。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Developing device and image forming apparatus
    • 开发设备和图像形成装置
    • JP2008102544A
    • 2008-05-01
    • JP2007306392
    • 2007-11-27
    • Ricoh Co Ltd株式会社リコー
    • KATO SHUNJITAMAKI SHINJIIMAMURA TAKESHIYOSHIZAWA HIDEOTERAI JUNICHIYAMANE MASAYUKITSUDA KIYONORISUDO KAZUHISAKAWAHARA SHINICHIISHIBASHI MIKIOOOJIYA ATSUYA
    • G03G15/09G03G15/08
    • PROBLEM TO BE SOLVED: To provide a developing device that prevents temporal surface staining and lowering of developing density while maintaining the stable self-regulation of toner density and that achieves superior development, without causing irregular developing density in a width direction orthogonal to a developer-carrying direction on a developing sleeve; and to provide an image forming apparatus. SOLUTION: The developing device is provided with a peeling roller 11, facing the surface of the sleeve, in a non-contact state in a toner-storing part S that houses a developing agent regulated by a doctor 6, for peeling the upper layer part of the developer carried and fed to a developing sleeve 4. A roller, constituted of magnetic substance and driven to be rotated in the same direction as that of the sleeve 4, is used as the roller 11. The developing device may include, at a position adjacent to a toner hopper 8 in the storage part S: a stirring comb member 20 for stirring a part, where the toner of the developer on the sleeve 4 is taken in; or a sheet member 21 that comes in contact with the part where the toner of the developer is taken in. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种防止时间表面污染和显影密度降低的显影装置,同时保持调色剂密度的稳定自调节并且实现优异的显影,而不会在垂直于...的宽度方向上引起不规则的显影密度 在显影套筒上的显影剂携带方向; 并提供图像形成装置。 解决方案:显影装置在容纳由医生6调节的显影剂的调色剂存储部分S中以非接触状态设置有面向套筒表面的剥离辊11,用于剥离 显影剂的上层部分被携带并被供给到显影套筒4.由磁性体构成并被驱动以与套筒4的方向相同的方向旋转的辊被用作辊11.显影装置可以包括 在与储存部分S中的调色剂料斗8相邻的位置处:用于搅拌套筒4上的显影剂的调色剂被吸入的部分的搅拌梳件20; 或与构成显影剂的调色剂的部位接触的片材21。版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Developer replenisher and image forming apparatus equipped with the same
    • 开发商更换器和图像形成装置
    • JP2008015112A
    • 2008-01-24
    • JP2006184957
    • 2006-07-04
    • Ricoh Co Ltd株式会社リコー
    • TAMAKI SHINJIOYAMA KUNIHIROTAKAHASHI YASUSHI
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a low-cost developer replenisher of high reliability, wherein the increase of torques necessary for a rotational driving means is suppressed, and a cap closing operation is surely performed, and operator's hands and the replenisher main body are prevented from soiling at the replacing work of a developer container, and to provide an image forming apparatus equipped with the developer replenisher. SOLUTION: The developer replenisher includes: the replenisher main body 1 communicating with a developing part to which the developer is replenished; the developer container 2 that discharges the developer by being rotationally driven; a developer container holding means 4 for holding the developer container so that the opening part 21 of the developer container 2 may face a developer guide-in part 3; a cap detaching means 5 for detaching the cap 22 for sealing the opening part 21 of the developer container 2 held by the developer container holding means 4; a rotational driving means 6 for rotationally driving the developer container 2; and a developer container position control means 7 for controlling a positional relation between the developer container 2 and the developer container holding means 4 so that the position-controlled part 23 of the developer container 2 may be controlled in the rotating axis direction. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供高可靠性的低成本显影剂补给器,其中抑制了旋转驱动装置所需的扭矩的增加,并且可靠地执行盖关闭操作,并且操作者的手和补充器主体 防止在显影剂容器的更换工作中弄脏主体,并提供配备有显影剂补给器的图像形成装置。 解决方案:显影剂补充器包括:补充器主体1与显影剂补充的显影部分连通; 显影剂容器2,其通过旋转驱动而排出显影剂; 显影剂容器保持装置4,用于保持显影剂容器,使得显影剂容器2的开口部分21可面向显影剂引导部分3; 用于拆卸盖22以密封由显影剂容器保持装置4保持的显影剂容器2的开口部分21的盖拆卸装置5; 用于旋转地驱动显影剂容器2的旋转驱动装置6; 以及用于控制显影剂容器2和显影剂容器保持装置4之间的位置关系的显影剂容器位置控制装置7,从而可以沿旋转轴线方向控制显影剂容器2的位置控制部分23。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Development device, process cartridge and image forming apparatus
    • 开发设备,过程盒和图像形成装置
    • JP2007249122A
    • 2007-09-27
    • JP2006076256
    • 2006-03-20
    • Ricoh Co Ltd株式会社リコー
    • YOSHIKI SHIGERUTAMAKI SHINJITAKAMI NOBUOKIMURA HIDEKISUZUKI TETSUOTAKAZAWA KOSHU
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a development device, a process cartridge and an image forming apparatus by which a pitch-like uneven image is not generated on an output image, detection precision of a detection means for detecting toner concentration is increased, stabilized and background dirt and toner scattering are not generated even when speed of the device is increased. SOLUTION: The development device has a churning member 84 in which a plurality of elliptic plates 84a inclined to a rotational axis 84b are arranged at intervals in the rotational axis direction and which churns developer in the rotational axis direction and the detection means 100 which faces the churning member 84 and detects the toner concentration of the developer. The churning member 84 has a plurality of projected parts 84d projecting to the side of the detection means 100 to its diameter of rotation and facing a part of the detection surface 100a of the detection means 100 by viewing in the rotational axis direction in the rotational direction. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种显影装置,处理盒和图像形成装置,通过其在输出图像上不产生节距不均匀图像,检测调色剂浓度的检测装置的检测精度增加 即使设备的速度增加,也不会产生稳定的背景污垢和调色剂散射。 解决方案:显影装置具有搅拌构件84,其中沿旋转轴线方向以间隔布置多个沿旋转轴线84b倾斜的椭圆板84a,并且使旋转轴线方向上的显影剂搅拌,并且检测装置100 其面向搅拌构件84并检测显影剂的调色剂浓度。 搅拌构件84具有多个突起部84d,其突出到检测装置100的一侧,使其旋转直径,并且通过沿着旋转方向的旋转轴方向观察而面对检测装置100的检测面100a的一部分 。 版权所有(C)2007,JPO&INPIT