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    • 2. 发明专利
    • トナー収納容器支持構造および画像形成装置
    • 托盘存储容器的支持结构和图像形成装置
    • JP2014215585A
    • 2014-11-17
    • JP2013095231
    • 2013-04-30
    • 株式会社リコーRicoh Co Ltd
    • FUJIMORI AKIRAKOSUGI HIDEKIKUBO TATSUYANODERA KENTAROKOSHIZUKA SHINNOSUKEKIKUCHI TEPPEI
    • G03G15/08
    • G03G15/0875G03G15/0886G03G15/80G03G21/1676
    • 【課題】トナー収納容器が引込み機構で引き込まれたときに、トナー収納容器が傾斜するのを防ぐことのできるトナー収納容器支持構造を提供する。【解決手段】トナーカートリッジ502と、トナーカートリッジ502が装着される内部空間を有する容器収容部と、容器収容部の内部空間の奥側に設けられ、容器収容部に装着されたトナーカートリッジ502の奥側端面を固定支持するトナーカートリッジ受け部と、トナーカートリッジ502に形成された基準穴201,202と、基準穴201,202に対向して配置された位置決めピンと、トナーカートリッジ502の容器収容部への装着時に、トナーカートリッジをトナーカートリッジ受け部側に引き込む引込み機構とを備え、トナーカートリッジ502が引込み機構によって引き込まれたとき、トナーカートリッジ502が傾斜するのを防止する下支え片部214,214を設けた。【選択図】図30
    • 要解决的问题:提供一种调色剂储存容器支撑结构,其可以防止调色剂存储容器在通过拉入机构吸入时使倾斜。解调器:调色剂储存容器支撑结构包括调色剂盒 502,具有安装有调色剂盒502的内部空间的容器收纳部,设置在容器收纳部的内部空间的深度侧的调色剂盒容纳部,固定并支承深度侧端面 连接到容器存储部分的调色剂盒502,形成在调色剂盒502中的参考孔201和202,与参考孔201和202相对布置的定位销,以及吸入机构 当调色剂盒502附接到容器存储部分时,墨粉盒朝向墨粉盒接收部分。 调色剂储存容器支撑结构还包括底部支撑件214和214,当底座502被拉入机构吸入时,防止调色剂盒502倾斜。
    • 3. 发明专利
    • 粉体補給装置及びこの粉体補給装置を備えた画像形成装置
    • 粉末供应装置和图像形成装置,包括它们
    • JP2014215417A
    • 2014-11-17
    • JP2013091891
    • 2013-04-25
    • 株式会社リコーRicoh Co Ltd
    • KIKUCHI TEPPEIKOSUGI HIDEKIKUBO TATSUYAFUJIMORI AKIRANODERA KENTAROKOSHIZUKA SHINNOSUKE
    • G03G15/08
    • G03G15/08
    • 【課題】粉体補給部にトナーカートリッジを抜き差ししたときに、トナーカートリッジから漏れたトナーのシャッタ(開閉部材)への付着を防止する。【解決手段】トナーカートリッジ50に備えられた第1シャッタ62(開閉部材)を、トナーカートリッジ50に設けられたトナーTの排出口55を閉鎖する位置から、排出口55とトナー補給部43に設けられた粉体補給口部96(受入開口)とが連通する位置まで移動した状態にあるときに、第1シャッタ62の外側(外面)の下方に、排出口55または粉体補給口部96から漏れたトナーT(現像剤)が溜まる、周囲を壁部94a,94b,94c,94dで囲まれた第1凹部94(凹部)を設ける。【選択図】図10
    • 要解决的问题:当墨粉盒从粉末供应单元插入/取出时,防止墨粉从墨粉盒中泄漏而粘到快门(打开/关闭部件)上。解决方案:当第一挡板62(开口 /关闭构件)从设置在调色剂盒50中的调色剂T的出口55关闭的位置移动到出口55与设置在调色剂盒50中的粉末供给口96(接收开口)连通的位置 调色剂供给单元43,在第一活门62的外侧(外表面)的下方设置第一凹部94(凹部),用于蓄积从出口55或粉末供给口96泄漏的调色剂T(显影剂),以便 被壁部94a,94b,94c,94d包围。
    • 4. 发明专利
    • 画像形成装置
    • 图像形成装置
    • JP2014211570A
    • 2014-11-13
    • JP2013088615
    • 2013-04-19
    • 株式会社リコーRicoh Co Ltd
    • KUBO TATSUYAKOSUGI HIDEKIKOSHIZUKA SHINNOSUKEFUJIMORI AKIRANODERA KENTAROKIKUCHI TEPPEI
    • G03G15/08
    • G03G15/08
    • 【課題】現像剤の使用履歴データのクリア忘れが発生することがない現像装置を提供する。【解決手段】内部に現像剤を貯留する貯留部B1〜B3と、現像剤担持体23a1,23a2と、貯留部B1〜B3内に貯留されている現像剤を外部に排出する排出口23dと、貯留部B1〜B3内に現像剤を投入する投入口23dとを備えた現像装置23と、現像剤担持体23a1,23a2に担持搬送された現像剤を利用して現像される潜像が形成される潜像担持体21とが設けられた画像形成装置100において、貯留部B1〜B3内に貯留されている現像剤の使用履歴を記憶する記憶手段3を有し、排出口23dから現像剤を排出した後に投入口23dより現像剤を投入する現像剤交換時において、現像剤交換が完了したことが検知されると記憶手段3に記憶されている使用履歴をクリアする。【選択図】図7
    • 要解决的问题:提供一种防止显影剂使用历史数据不被清除的显影装置。解决方案:图像形成装置100包括:显影装置23,包括用于保存显影剂内部的储存器单元B1-B3,显影剂载体23a1,23a ,用于将保存在储存器单元B1-B3中的显影剂排出到外部的出口23d和用于将显影剂供应到储存器单元B1-B3的入口23d; 以及潜像载体21,在其上形成通过使用由显影剂载体23a1,2a22承载和输送的显影剂而显影的潜像。 图像形成装置包括用于存储保存在储存器单元B1-B3中的显影剂的使用历史的存储装置3。 一旦检测到在显影剂从出口23d排出之后显影剂从入口23d供应的显影剂更换期间已经完成显影剂更换,则清除存储在存储装置3中的使用历史。
    • 5. 发明专利
    • Developer supply device and image forming apparatus
    • 开发商供应设备和图像形成设备
    • JP2014174541A
    • 2014-09-22
    • JP2013050279
    • 2013-03-13
    • Ricoh Co Ltd株式会社リコー
    • FUJIMORI AKIRAKOSUGI HIDEKIKUBO TATSUYANODERA KENTAROKOSHIZUKA SHINNOSUKEKIKUCHI TEPPEI
    • G03G15/08G03G15/01
    • PROBLEM TO BE SOLVED: To provide a developer supply device capable of accurately retaining a desired amount of developer in a developer retaining unit, and an image forming apparatus.SOLUTION: A developer supply device includes: a developer retaining unit 90a that temporarily retains a developer supplied from a developer storage container 71 storing the developer; a conveying unit 90b that includes inside a conveying member, and conveys the developer retained in the developer retaining unit 90a to a developing device 4; a developer detection sensor 95 that detects a developer at a position separated from a bottom surface of the developer retaining unit 90a by a predetermined distance; and a control unit 210 for controlling the drive of a supply member that supplies the developer in the developer storage container from a supply port 72a to the developer retaining unit 90a. The developer supply device further includes circularly conveyance means for circularly conveying the developer in the developer retaining unit inside the developer retaining unit, and the developer detection sensor 95 detects a developer at positions other than a reception part of the developer retaining unit 90a receiving the developer to be supplied.
    • 要解决的问题:提供一种能够在显影剂保持单元和图像形成装置中精确地保持所需量的显影剂的显影剂供应装置。解决方案:显影剂供给装置包括:显影剂保持单元90a,其暂时保持显影剂 从存储显影剂的显影剂储存容器71供应; 输送单元90b,其包括输送构件内部,并将保持在显影剂保持单元90a中的显影剂输送到显影装置4; 显影剂检测传感器95,其在与显影剂保持单元90a的底表面分离预定距离的位置处检测显影剂; 以及控制单元210,用于控制供应构件的驱动,该供应构件将显影剂储存容器中的显影剂从供给口72a供应到显影剂保持单元90a。 显影剂供给装置还包括用于将显影剂保持单元内的显影剂循环地传送到显影剂保持单元内部的循环传送装置,并且显影剂检测传感器95在接收显影剂的显影剂保持单元90a的接收部分以外的位置检测显影剂 供应。
    • 6. 发明专利
    • Developer storage container, developer replenishment device, and image forming apparatus
    • 开发商存储容器,开发者代理设备和图像形成装置
    • JP2014130223A
    • 2014-07-10
    • JP2012287683
    • 2012-12-28
    • Ricoh Co Ltd株式会社リコー
    • KIKUCHI TEPPEIKOSUGI HIDEKIFUJIMORI AKIRAKUBO TATSUYANODERA KENTAROKOSHIZUKA SHINNOSUKE
    • G03G15/08
    • PROBLEM TO BE SOLVED: To improve developer stirring and conveying properties by a rotary stirring member, while making the rigidity of a flexible blade member lower.SOLUTION: A developer storage container includes a rotary stirring member 53 rotated to convey a developer G stored in a container body 51 to a discharge port 51a, while stirring the developer G, inside. The rotary stirring member includes a rotary support member 55 rotated integrally with a rotary shaft 54 and flexible blade members 56 and 57 including at least one part thereof disposed on the rotation free end sides 55a and 55b of the rotary support member and sliding on the inner wall 51b of the container body, to convey the developer G to the discharge port 51a. The flexible blade members are attached to attachment surfaces 55A1 and 55B1 located on the upstream side in the rotational direction of the rotary support member.
    • 要解决的问题:通过旋转搅拌构件改善显影剂搅拌和输送性能,同时使柔性叶片构件的刚度降低。解决方案:显影剂储存容器包括旋转搅拌构件53,旋转搅拌构件53转移以存储在 容器主体51到排出口51a,同时搅拌显影剂G。 旋转搅拌构件包括与旋转轴54一体旋转的旋转支撑构件55和包括设置在旋转支撑构件的旋转自由端侧55a和55b上的至少一部分的柔性叶片构件56和57,并且在内部 容器主体的壁51b将显影剂G输送到排出口51a。 柔性叶片构件附接到位于旋转支撑构件的旋转方向上游侧的附接表面55A1和55B1。
    • 7. 发明专利
    • Development device and image formation device
    • 发展装置和图像形成装置
    • JP2013218109A
    • 2013-10-24
    • JP2012088625
    • 2012-04-09
    • Ricoh Co Ltd株式会社リコー
    • ADACHI TAKAHIROISHII YASUYUKIKOSUGI HIDEKIYAMADA MASAAKI
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a development device that allows a structure combining a scooping system and an edge supply system to suppress scumming accompanied by increase in a supply toner mixed ratio and obtains stable image quality regardless of aging, and an image formation device including the development device.SOLUTION: A scooping paddle 16 scooping up developer into a developer supply roller 18 includes: a paddle rotary shaft 41 that has the almost same length as that of a rotary shaft of the developer supply roller 18 and is arranged at a position lower than the rotary shaft of the developer supply roller 18; and a comb-shaped paddle member 42 that is attached to the paddle rotary shaft 41 and rotates in association with a rotation of the rotary shaft to scoop up the developer into a developer supply roller 18 side. The image formation device is configured such that a tip in a rotary direction of the paddle member 42 comes into contact with a wall surface composed of a developer storage part 14 to be deflected, and when rotating up to a position toward an upper part from a lower part higher than a height of the paddle rotary shaft 41, the tip does not come into contact with the wall surface of the developer storage part 14 and then the deflection is released.
    • 要解决的问题:提供一种开发装置,其允许结合舀取系统和边缘供应系统的结构,以抑制伴随着供应调色剂混合比率的增加的浮渣并且获得稳定的图像质量而不管老化,以及图像形成装置,包括 显影装置。解决方案:将显影剂舀取到显影剂供应辊18中的舀取板16包括:桨式旋转轴41,其具有与显影剂供应辊18的旋转轴的长度几乎相同的长度,并且布置在位置 低于显影剂供应辊18的旋转轴; 以及连接在桨式旋转轴41上并与旋转轴的旋转一起旋转的梳状桨状构件42,以将显影剂舀取到显影剂供给辊18侧。 图像形成装置被构造成使得桨构件42的旋转方向上的尖端与由显影剂存储部14组成的壁表面接触以被偏转,并且当从一个 下部高于桨式旋转轴41的高度,尖端不会与显影剂储存部分14的壁表面接触,然后偏转被释放。
    • 8. 发明专利
    • Developing device and image forming apparatus
    • 开发设备和图像形成装置
    • JP2013210436A
    • 2013-10-10
    • JP2012079078
    • 2012-03-30
    • Ricoh Co Ltd株式会社リコー
    • WATABE MASAHIROKOSUGI HIDEKIADACHI TAKAHIRO
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a developing device.SOLUTION: A developing device 4 having such a configuration that a developer is made into a cloud by the application of a bias voltage from alternately different drive power sources includes a seal member 45 preventing the developer from being scattered from a developer storage part. The seal member 45 is provided in such a state that a predetermined gap G is set with respect to the surface of a flare roller 40 and the seal member 45 is separated from the surface of the flare roller 40. It is constituted so that in the seal material, a ventilation part 45A is provided in a part of a wall surface facing the flare roller 40 and a supply roller 41 supplying the developer to the flare roller 40, to avoid pressure resistance to the developer entering from a facing gap entrance side and pressure rise in the developer storage part.
    • 要解决的问题:提供一种显影装置。解决方案:具有通过施加来自交替不同的驱动电源的偏置电压将显影剂制成云的结构的显影装置4包括密封构件45,其防止显影剂 从分散在开发者存储部分。 密封构件45设置成相对于火炬辊40的表面设置预定间隙G并且密封构件45与火炬辊40的表面分离的状态。其构造使得在 通气部分45A设置在面向火炬辊40的壁表面的一部分中,以及供给辊41,其将显影剂供应到火炬辊40,以避免对从面向的间隙入口侧进入的显影剂的耐压性, 显影剂储存部分的压力上升。
    • 9. 发明专利
    • Developing device, and image forming apparatus and process unit provided with the same
    • 开发设备和图像形成装置及其相应的处理单元
    • JP2013092580A
    • 2013-05-16
    • JP2011233234
    • 2011-10-24
    • Ricoh Co Ltd株式会社リコー
    • KUROKAWA ATSUSHIISHII YASUYUKIKOSUGI HIDEKIHIROTA TETSUOYAMADA MASAAKISEKI HIDEYASU
    • G03G15/08
    • PROBLEM TO BE SOLVED: To stabilize a toner amount per unit area to be supplied to a developing area by a method less in stress applied to a toner.SOLUTION: In a developing device which forms an electric field for hopping a toner by applying voltages different from each other to an inside electrode 3a and an outside electrode 4a provided on a toner carrying roller 2 on the outer peripheral surface of the toner carrying roller, the developing device has a regulating blade 23 abutting on the outer peripheral surface of the toner carrying roller in the upstream side in a toner carrying roller rotating direction in a developing area, has a plurality of grooves 23a arranged in a row in the toner carrying roller rotating direction provided on the abutting surface of the regulating blade, and passes the toner entering into the plurality of grooves formed on the abutting surface of the regulating blade therethrough while preventing the passage of the toner in a portion where the abutting surface 23b of the regulating blade abuts on the outer peripheral surface of the toner carrying roller.
    • 要解决的问题:通过施加在调色剂上的应力较小的方法来稳定供给到显影区域的每单位面积的调色剂量。 解决方案:在形成电场的显影装置中,通过将不同于彼此的电压施加到调色剂承载辊2上的内部电极3a和设置在调色剂承载辊2上的外部电极4a在调色剂的外周面上形成调色剂 显影装置具有在显影区域中在调色剂承载辊旋转方向的上游侧的调色剂承载辊的外周面上邻接的调节刮板23,具有多个排列成一排的槽23a 调色剂承载辊旋转方向设置在调节叶片的邻接表面上,并使调色剂进入形成在调节片的抵接表面上的多个槽中,同时防止调色剂在邻接表面23b 调节叶片邻接调色剂承载辊的外周表面。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Developing device, and image forming apparatus and process unit provided with the same
    • 开发设备和图像形成装置及其相应的处理单元
    • JP2013088560A
    • 2013-05-13
    • JP2011227808
    • 2011-10-17
    • Ricoh Co Ltd株式会社リコー
    • ISHIKURA YUJIISHII YASUYUKIKOSUGI HIDEKIHIROTA TETSUOYAMADA MASAAKIOGAWA YOSHIKOKUROKAWA ATSUSHISEKI HIDEYASU
    • G03G15/08
    • PROBLEM TO BE SOLVED: To suppress the separation of a toner from a toner carrier before the toner is guided to a portion facing a layer thickness regulating member, when such a layout that the layer thickness regulating member is positioned below the toner carrier is adopted.SOLUTION: In a developing device which has a toner carrying roller 2 for rotating so that its outer peripheral surface moves from the lower side toward the upper side in a vertical direction in a developing area, and a regulating blade 23 arranged vertically below the toner carrying roller, the toner carrying roller has an inside electrode 3a and an outside electrode 4a to which voltages different from each other are applied, by applying the voltages different from each other to the electrodes an electric field generating flare for hopping a toner is formed on the outer peripheral surface of the toner carrying roller, and the toner in the hopping state is conveyed to the developing area.
    • 要解决的问题:为了在调色剂被引导到面向层厚限制部件的部分之前抑制调色剂与调色剂载体的分离,当层厚调节部件位于调色剂载体的下方 被采纳。 解决方案:在具有调色剂承载辊2的显影装置中,该显影装置具有用于旋转的调色剂承载辊2,使得其外周表面在显影区域中从垂直方向的下侧向上侧移动;以及调节片23,其垂直地布置在 调色剂承载辊具有通过向电极施加彼此不同的电压的具有彼此不同电压的内部电极3a和外部电极4a,调色剂承载辊具有用于跳动调色剂的电场产生光斑 形成在调色剂承载辊的外周表面上,并且跳槽状态的调色剂被传送到显影区域。 版权所有(C)2013,JPO&INPIT