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1. 发明专利

JP2017083810A 現像装置、画像形成装置およびプロセスカートリッジ审中-公开
公开(公告)号：JP2017083810A
公开(公告)日：2017-05-18
申请号：JP2016029830
申请日：2016-02-19
申请人：株式会社リコー , Ricoh Co Ltd
发明人： YOSHIDA KEIICHI , TAMAKI SHINJI , KADOTA ICHIRO , HOSOKAWA HIROSHI , KATO SHUNJI
IPC分类号： G03G15/08
摘要：【課題】搬送スクリュウの羽根ピッチに応じた画像濃度ムラ抑制することができる現像装置、画像形成装置およびプロセスカートリッジを提供する。【解決手段】現像装置は、現像剤を表面に担持する現像ローラ12aなどの現像剤担持体と、現像剤担持体の下方に位置し第二剤収容室V2などの現像剤収容部内に配置された第二搬送スクリュウ12cなどの搬送スクリュウとを備えている。搬送スクリュウの上方には、ガイド部材12gが設けられており、このガイド部材12gにより、搬送スクリュウから上方に飛び出した現像剤を現像剤担持体へ案内するための傾斜面Kを形成した。【選択図】図6

2. 发明专利

JP2013029571A Powder conveyer and image forming device 有权
标题翻译：粉末输送机和图像形成装置
公开(公告)号：JP2013029571A
公开(公告)日：2013-02-07
申请号：JP2011164035
申请日：2011-07-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA KEIICHI , KATO SHUNJI , IKEGUCHI HIROSHI , TAMAKI SHINJI
IPC分类号： G03G15/08
摘要： 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.
摘要翻译：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

3. 发明专利

JP2012177766A Powder container, toner cartridge, pull-out tray, and image forming apparatus 审中-公开
标题翻译：粉末容器，碳粉盒，推出纸盘和图像形成装置
公开(公告)号：JP2012177766A
公开(公告)日：2012-09-13
申请号：JP2011040033
申请日：2011-02-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA KEIICHI , KATO SHUNJI , IKEGUCHI HIROSHI , TAMAKI SHINJI
IPC分类号： G03G15/08
CPC分类号： G03G15/0874 , G03G15/0886 , G03G21/1676 , G03G2215/0682 , G03G2215/0692
摘要： 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.
摘要翻译：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

4. 发明专利

JP2012173484A Powder supply device and image forming apparatus 有权
标题翻译：粉末供应装置和图像形成装置
公开(公告)号：JP2012173484A
公开(公告)日：2012-09-10
申请号：JP2011034849
申请日：2011-02-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA KEIICHI , KATO SHUNJI , IKEGUCHI HIROSHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a powder supply device capable of favorably opening/closing a discharge port opening/closing member with time, and to provide an image forming apparatus.SOLUTION: A powder supply device includes a locking member for locking a discharge port opening/closing member, provided in a device body so as to displace between a locking position for locking the discharge port opening/closing member and a release position retracted from the locking position and releasing the locking of the discharge port opening/closing member. In conjunction with the mounting operation of a powder storage container, the discharge port opening/closing member is slid with respect to the powder storage container to open a powder discharge port, and the locking member is displaced from the release position to the locking position to lock the discharge port opening/closing member. In conjunction with the retracting operation of the powder storage container, the powder discharge port reaches a position facing the discharge port opening/closing member, after the powder discharge port is closed by the discharge port opening/closing member, the locking member comes into contact with the powder storage container, energized and displaced from the locking position to the release position, thus releasing the locking of the discharge port opening/closing member by the locking member.
摘要翻译：要解决的问题：提供能够随时间有利地打开/关闭排出口打开/关闭部件的粉末供应装置，并提供图像形成装置。解决方案：粉末供应装置包括用于锁定排出口打开/关闭构件的锁定构件，设置在装置主体中，以便在用于锁定排出口打开/关闭构件的锁定位置和撤回位置之间移位从锁定位置释放排出口打开/关闭构件的锁定。结合粉末储存容器的安装操作，排出口打开/关闭构件相对于粉末储存容器滑动以打开粉末排放口，并且锁定构件从释放位置移动到锁定位置，锁定排出口打开/关闭构件。结合粉末存储容器的缩回操作，粉末排出口到达与排出口打开/关闭构件相对的位置，在排出口被排出口打开/关闭构件关闭之后，锁定构件接触与粉末存储容器一起被从锁定位置驱动并移位到释放位置，从而通过锁定构件释放排出口打开/关闭构件的锁定。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012068388A Powder conveying device and image forming apparatus 有权
标题翻译：粉末输送装置和图像形成装置
公开(公告)号：JP2012068388A
公开(公告)日：2012-04-05
申请号：JP2010212293
申请日：2010-09-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IKEGUCHI HIROSHI , KATO SHUNJI , YOSHIDA KEIICHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a powder conveying device that ensures stable conveyance of powder regardless of the capacity of the powder thereof.SOLUTION: A powder conveying device includes: a powder storage part 66 that stores powder T and is at least partially deformable; a discharge part 67 that discharges the powder T in the powder storage part 66 to the outside of the device; and a delivery member 81 that moves toward the discharge part 67 side to deliver the powder T to the discharge part 67 in a state where the deformable portion of the powder storage part 66 is pressed into the inside thereof. Control means is provided that controls the movement of the delivery member 81 toward the discharge part 67 side in accordance with the remaining quantity of the powder in the powder storage part 66.
摘要翻译：要解决的问题：提供一种粉末输送装置，其确保粉末的稳定输送，而不管其粉末的容量如何。解决方案：粉末输送装置包括：粉末储存部分66，其储存粉末T并且至少部分可变形; 排出部分67，其将粉末存储部分66中的粉末T排放到装置的外部; 以及在粉末收纳部66的可变形部被压入其内部的状态下向排出部67侧移动以将粉末T输送到排出部67的搬出部件81。提供了控制装置，其根据粉末存储部分66中的粉末的剩余量来控制输送构件81朝向排放部分67侧的运动。版权所有：（C）2012，JPO＆INPIT

6. 发明专利

JP2011164251A Developing device, process cartridge and image forming apparatus 有权
标题翻译：开发装置，过程盒和图像形成装置
公开(公告)号：JP2011164251A
公开(公告)日：2011-08-25
申请号：JP2010025257
申请日：2010-02-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OZEKI TAKAMASA , FUKUDA YOSHIYUKI , MASUDA KATSUMI , ASAMI AKIRA , HATTORI YOSHIO , YOSHIDA KEIICHI , TAGUCHI NOBUYUKI , SATO YUKI , HAYASHI TOSHIKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device, a process cartridge and an image forming apparatus, in which a toner concentration detection means can detect appropriate toner concentration. SOLUTION: In the developing device 20 in which a doctor blade 25 is arranged under a developing roller 22 and developer is made to circulate in one direction, a feeding part 33 feeding the developer to a developer conveying chamber 26 is provided on a downstream side in a developer conveying direction of a stirring conveying chamber 27, a first conveying screw 28 is extended to a delivery part 31 from the feeding part 33 in the developer conveying chamber 26, and also a toner concentration sensor 40 detecting toner concentration in the developer is installed on a wall surface of the developer conveying chamber 26 at the feeding part 33. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，处理盒和成像装置，其中调色剂浓度检测装置可以检测适当的调色剂浓度。解决方案：在显影装置20中，刮刀25布置在显影辊22的下面并使显影剂在一个方向上循环，将显影剂供给到显影剂输送室26的供给部33设置在在搅拌输送室27的显影剂输送方向的下游侧，第一输送螺杆28从显影剂输送室26中的供给部33延伸到输送部31，以及调色剂浓度传感器40，显影剂被安装在供给部分33的显影剂输送室26的壁表面上。版权所有：（C）2011，JPO＆INPIT

7. 发明专利

JP2011141368A Developing apparatus, process cartridge, and image forming apparatus 审中-公开
标题翻译：开发设备，工艺盒和图像形成装置
公开(公告)号：JP2011141368A
公开(公告)日：2011-07-21
申请号：JP2010001174
申请日：2010-01-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HATTORI YOSHIO , FUKUDA YOSHIYUKI , ASAMI AKIRA , MASUDA KATSUMI , OZEKI TAKAMASA , YOSHIDA KEIICHI , TAGUCHI NOBUYUKI , HAYASHI TOSHIKI , SATO YUKI
IPC分类号： G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide a developing apparatus, process cartridge, and image forming apparatus where the dispersibility of supply toner is high and occurrence of scumming or toner scattering is suppressed.
SOLUTION: This developing apparatus 20 has a doctor blade 25 under a developing roller 22, and circulates a developer in one direction. The rotating direction of a first conveyance screw 28 is set to be the same as the rotating direction of the developing roller 22, and the rotating direction of a second conveyance screw 29 is set to be opposite to the rotating direction of the developing roller 22. On the other end side of a stirring conveying chamber 27, a toner supply port 30 is disposed on an upstream side in the developer conveying direction rather than a delivery section 31. A paddle 34 for feeding the developer upward is disposed at a position facing the delivery section 31 of the first conveyance screw 28. A projecting shape 36 is formed on the lower wall between a developing conveying chamber 26 and the stirring conveying chamber 27 in the delivery section 31.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，处理盒和图像形成装置，其中供应调色剂的分散性高，并且抑制了浮渣或调色剂飞散的发生。解决方案：该显影装置20在显影辊22下方具有刮刀25，并使显影剂沿一个方向循环。第一输送螺杆28的旋转方向被设定为与显影辊22的旋转方向相同，并且第二输送螺杆29的旋转方向被设定为与显影辊22的旋转方向相反。在搅拌输送室27的另一端侧，调色剂供给口30设置在显影剂输送方向的上游侧而不是输送部31上。用于向上供给显影剂的桨34设置在面向在第一输送螺杆28的输送部31之间形成有突出形状36，在输送部31的显影输送室26和搅拌输送室27之间的下壁上形成有突出的形状36.（C）2011，JPO＆INPIT

8. 发明专利

JP2011059382A Developing device, process cartridge and image forming apparatus 有权
标题翻译：开发装置，过程盒和图像形成装置
公开(公告)号：JP2011059382A
公开(公告)日：2011-03-24
申请号：JP2009209108
申请日：2009-09-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OZEKI TAKAMASA , FUKUDA YOSHIYUKI , MASUDA KATSUMI , ASAMI AKIRA , HATTORI YOSHIO , YOSHIDA KEIICHI , TAGUCHI NOBUYUKI , TAKAHASHI YASUSHI , SATO HIROTAKA , HAYASHI TOSHIKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device that reduces such a malfunction that an amount of a developer supplied by a first conveying member carrier to a developer carrier becomes smaller at a downstream side in a conveying direction than an upstream side in the conveying direction when two conveying members conveying the developers in a longitudinal direction to form a circulation path are disposed opposite to the developer carrier and a developer regulation member is disposed below the developer carrier, and to provide a process cartridge and an image forming apparatus. SOLUTION: The developing device is equipped with a second developer regulation member 13k which regulates the amount of the developer that is supplied by the first conveying member 13b1 carried at the developer carrier 13a in a position between the developer carrier 13a and the first conveying member 13b1 and at an upstream side in the rotating direction of the developer carrier 13a from a position opposed to the developer regulation member 13c. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，其减少了由第一输送构件载体向显影剂载体供给的显影剂的量在输送方向上的下游侧比上游侧小的故障沿着纵向输送显影剂以形成循环路径的两个输送构件的输送方向与显影剂载体相对地设置，并且显影剂调节构件设置在显影剂载体下方，并且提供处理盒和图像形成装置。解决方案：显影装置配备有第二显影剂调节构件13k，该第二显影剂调节构件13k调节由显影剂载体13a承载的第一输送构件13b1供应的显影剂的量在显影剂载体13a和第一输送构件13b1和显影剂载体13a的旋转方向的上游侧从与显影剂调节构件13c相对的位置。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2009037063A Developing device, process cartridge, image forming apparatus and toner 有权
标题翻译：开发设备，过程盒，图像形成设备和调色剂
公开(公告)号：JP2009037063A
公开(公告)日：2009-02-19
申请号：JP2007202177
申请日：2007-08-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA KEIICHI
IPC分类号： G03G15/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a developing device, suppressing scattering of toner caused by gas ejected from the end in the longitudinal direction of a developer carrier, and to provide a process cartridge, an image forming apparatus and toner. SOLUTION: The developing device includes: a developing container 50 storing a developer and having a first opening 50a at a part opposite to an image carrier 1; the developer carrier 51 for carrying the developer to the opposite part to the image support by rotation; a second opening 50b provided on the developing container outside of the first opening and leading to the outside of the developing container; and an air current passage 50c formed so that gas flows in the developing container from a gap between the developer carrier and the developing container through the opposite part and the inflow gas is discharged from the second opening to the outside of the developing container. In the air current passage, the surface of the developing container facing the developer carrier is provided with a plurality of ribs 501 arranged in the longitudinal direction of the developer carrier extending from the upstream side of the air current passage to the downstream side of the air current passage and projecting from the opposite surface to the developer carrier side. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，抑制由从显影剂载体的纵向方向上的端部喷出的气体引起的调色剂的散射，并提供处理盒，成像设备和调色剂。解决方案：显影装置包括：显影容器50，其存储显影剂，并且在与图像载体1相对的部分具有第一开口50a; 用于通过旋转将显影剂携带到图像支撑体的相对部分的显影剂载体51; 第二开口50b，设置在显影容器的第一开口的外部并通向显影容器的外部; 以及气流通道50c，其形成为使得气体通过相对部分从显影剂载体和显影容器之间的间隙在显影容器中流动，并且流入气体从第二开口排出到显影容器的外部。在气流通道中，面向显影剂载体的显影容器的表面设置有沿着气流通道的上游侧延伸到空气的下游侧的显影剂载体的纵向布置的多个肋501 电流通道并从相对表面突出到显影剂载体侧。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2007164104A Developing device and image forming apparatus mounted with the same 审中-公开
标题翻译：开发装置和图像形成装置安装在其上
公开(公告)号：JP2007164104A
公开(公告)日：2007-06-28
申请号：JP2005364122
申请日：2005-12-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA KEIICHI , KAWAHARA SHINICHI , FUJISHIRO TAKATSUGU , TANAKA HIDEKI , HATTORI YOSHIO
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device which can increase dispersion of toner by accelerating upward and downward movements of a developer while preventing the developer from increasing in volume, and is then superior against density unevenness and toner scattering, and an image forming apparatus mounted with the same. SOLUTION: The developing device equipped with the developer, a developer container which contains it, and an agitating/conveying member 4b having a spiral blade 4b4 is characterized in that a hole portion 4b1 is bored in a shaft 4b2 of the agitating/conveying member 4b at one or more places. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种显影装置，其可以通过加快显影剂的体积上升和下降运动来加快调色剂的分散，同时防止显影剂的体积增加，然后优于相对于浓度不均匀性和调色剂散射的显影装置，以及安装有该成像装置的图像形成装置。解决方案：装有显影剂的显影装置，容纳该显影剂的显影剂容器和具有螺旋叶片4b4的搅拌/输送部件4b的特征在于，在搅拌/ 输送构件4b在一个或多个位置。版权所有（C）2007，JPO＆INPIT

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