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    • 1. 发明专利
    • Packing structure of developer container
    • 开发集装箱的包装结构
    • JP2013242474A
    • 2013-12-05
    • JP2012116593
    • 2012-05-22
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • UCHIYAMA KEISUKESUGANO MAKOTOSAKOTA YUJIKUBO KEISUKEFUJIMORI SHINICHIRO
    • G03G15/08B65D5/50
    • G03G21/1676G03G15/0867G03G21/181
    • PROBLEM TO BE SOLVED: To reduce initial driving torque to a conveyance member of a developer container.SOLUTION: Packing structure 11 of a developer container 10 is constituted by including: the developer container 10 which accommodates developer and in which a supply port 18 for supplying the developer is formed; a conveyance member which is provided in the developer container 10, and conveys the developer to the side of the supply port 18 while stirring the developer; a packing material 46 which packs the developer container 10 from the side of the end in the axis direction toward the side of the center part in the axis direction of the conveyance member; and means 40 for moving the conveyance member by an operation for detaching the packing material 46 from the developer container 10.
    • 要解决的问题:减少对显影剂容器的输送构件的初始驱动扭矩。解决方案:显影剂容器10的包装结构11包括:容纳显影剂的显影剂容器10,其中供应用于供给的供给口18 开发商形成; 传送构件,其设置在显影剂容器10中,并且在搅拌显影剂的同时将显影剂输送到供给口18的一侧; 一个包装材料46,其将显影剂容器10从沿着轴线方向的端部的侧面朝向输送部件的轴向的中心部分的一侧包装; 以及用于通过用于从显影剂容器10分离包装材料46的操作来移动输送构件的装置40。
    • 2. 发明专利
    • Developing device and image forming device
    • 开发设备和图像形成装置
    • JP2013152283A
    • 2013-08-08
    • JP2012012138
    • 2012-01-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • HORII KIYOTOTERAO SATOHIKOSUGANO MAKOTOISHII YASUTOMOSAKOTA YUJI
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a developing device configured to prevent developer from being discharged unnecessarily from a developing unit, and to provide an image forming device.SOLUTION: A permission/prohibition apparatus 124 permits an opening/closing member 112 to be arranged in an open position in a first state. The permission/prohibition apparatus 124 prohibits the opening/closing member 112 from moving to the open position by biasing the opening/closing member 112 toward a closed position in a second state in which the own weight of the opening/closing member 112 generates a force to move to the open position to be applied to the opening/closing member 112 before a developer inlet of a turning developing unit 72 becomes horizontal, and a developer adhesion surface 122 faces vertically upward as seen from a rotation axis direction. The developer is prevented from being unnecessarily discharged from the developing unit 72.
    • 要解决的问题:提供一种构造成防止显影剂从显影单元不必要地排出并且提供图像形成装置的显影装置。解决方案:允许/禁止装置124允许打开/关闭构件112布置在 处于第一状态的敞开位置。 允许/禁止装置124通过在打开/关闭构件112的自重产生力的第二状态中将打开/关闭构件112朝向关闭位置偏压来禁止打开/关闭构件112移动到打开位置 在转动显影单元72的显影剂入口变为水平面之前移动到打开位置以施加到打开/关闭部件112,并且显影剂附着表面122从旋转轴线方向观察时垂直向上。 防止显影剂从显影单元72不必要地排出。
    • 3. 发明专利
    • Developing device and image forming apparatus
    • 开发设备和图像形成装置
    • JP2013145347A
    • 2013-07-25
    • JP2012006518
    • 2012-01-16
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • HORII KIYOTOTERAO SATOHIKOSUGANO MAKOTOISHII YASUTOMOSAKOTA YUJI
    • G03G15/08G03G15/01
    • PROBLEM TO BE SOLVED: To obtain a developing device and an image forming apparatus capable of preventing a developer from being uselessly ejected from a developing unit.SOLUTION: If a developing unit 72 is stopped at a position where a developer receiving port 120 becomes an upward opening state (scope P) and a developer adhesion surface 122 becomes an upward facing state (scope S), a large quantity of developer G is unexpectedly ejected outside the developing unit 72 compared with the case where the developing unit is stopped at other positions. A control part 126 controls a motor 124 and does not stop the revolving developing unit 72 at a position where the developer receiving port 120 becomes an upward opening state and the developer adhesion surface 122 becomes an upward facing state. Therefore, the developer G can be suppressed from being uselessly ejected (unexpectedly ejected) from the developing unit 72.
    • 要解决的问题:获得能够防止显影剂从显影单元被无用地喷射的显影装置和图像形成装置。解决方案:如果显影单元72停在显影剂接收口120变为向上的位置 打开状态(范围P)和显影剂附着面122成为向上的状态(范围S)时,与显影单元停止在其他位置的情况相比,大量的显影剂G意外地喷出在显影单元72的外部。 控制部件126控制电动机124,并且在显影剂接收口120变为向上打开状态并且显影剂附着表面122变为向上的状态的位置处不旋转显影单元72停止。 因此,可以抑制显影剂G从显影单元72被无用地喷射(意外地喷出)。
    • 4. 发明专利
    • Developing device and image forming apparatus equipped therewith
    • 开发设备和图像形成装置
    • JP2009116209A
    • 2009-05-28
    • JP2007291513
    • 2007-11-09
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KATAYAMA SADAHITOSUGANO MAKOTO
    • G03G15/08G03G15/01
    • PROBLEM TO BE SOLVED: To provide a rotary type developing device that is capable of suppressing unexpected collection of developer associated with rotating operation with simple constitution inexpensively. SOLUTION: The developing device includes a developing roll 190, a first developer storing part 193a having a first stirring and conveying member 195 and storing two-component developer so as to supply to the developing roll 190, and a second developer storing part 193b having a second stirring and conveying member 197 and storing the two-component developer to circulate between the first developer storing part 193a and the second developer storing part 193b. A developer discharge port 205 having a shutter member 205S formed to be opened/shut by gravity is formed on the upper surface of the end in a shaft direction of the second developer storing part 193b, and a developer discharge suppressing means suppressing opening operation of the shutter member 205S by movement of the developer associated with the rotation of a rotating body 19 is formed at a portion corresponding to the shutter member 205S of the second stirring and conveying member 197. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够以简单的结构廉价地抑制与旋转操作相关联的显影剂的意外收集的旋转型显影装置。 解决方案:显影装置包括显影辊190,第一显影剂存储部分193a,其具有第一搅拌和输送部件195并且存储双组分显影剂以供应到显影辊190和第二显影剂存储部分 193b具有第二搅拌和输送构件197并且存储双组分显影剂以在第一显影剂储存部分193a和第二显影剂存储部分193b之间循环。 在第二显影剂存储部分193b的轴向上的端部的上表面上形成具有形成为重力打开/关闭的活门部件205S的显影剂排出口205,并且显影剂排出抑制装置抑制 通过与旋转体19的旋转相关联的显影剂的运动的活门构件205S形成在与第二搅拌和输送构件197的活门构件205S相对应的部分。(C)2009,JPO&INPIT
    • 5. 发明专利
    • 現像装置及び画像形成装置
    • 开发设备和图像形成装置
    • JP2014219464A
    • 2014-11-20
    • JP2013096721
    • 2013-05-02
    • 富士ゼロックス株式会社Fuji Xerox Co Ltd
    • KUBO KEISUKETSUMITA TOSHIKAZUTANAKA YOSHINORISUGANO MAKOTO
    • G03G15/08
    • G03G15/08
    • 【課題】筐体の内部に存在する現像剤の過度な温度上昇を効率的に抑制することができる現像装置等を提供する。【解決手段】現像装置は、現像剤が収容されて攪拌される収容部と前記収容部の潜像保持体と向き合う部分を開放する開口部を有する筐体と、前記筐体に前記開口部から一部露出させた状態で回転するよう設けられ、前記収容部にある現像剤を保持して搬送する現像ロールと、前記筐体に前記現像ロールとその軸方向に沿って向き合う状態で設けられ、当該現像ロールに保持される現像剤の量を規制する規制部材と、前記筐体の一部に前記現像ロールの軸方向に沿って延びる状態で設けられ、外部の空気を前記規制部材の一部分と前記筐体の収容部の上部を覆う上面部分の少なくとも一部分とに接触させて通過させる1つの通気部と、を備えている。【選択図】図5
    • 要解决的问题:提供一种可以有效地抑制壳体中的显影剂过度升温的显影装置等。显影装置包括:壳体,其包括存储和搅拌显影剂的存储部分和开口 其在与所述存储部中的潜像保持体相对的部分处被打开; 显影辊,其设置在壳体处,使得其一部分从开口暴露并且可旋转,并且保持并输送存储部分中的显影剂; 限制部件,其设置在壳体上,使得其在其轴线方向上面向显影辊,并限制由显影辊保持的显影剂的量; 以及一个通风部件,其设置在壳体的一部分处,使得其沿着显影辊的轴线方向延伸,并使外部空气与限制部件的一部分接触并通过,并且至少一个 覆盖壳体的存储部分的上部的上表面部分的一部分。
    • 6. 发明专利
    • Image formation device
    • 图像形成装置
    • JP2013195935A
    • 2013-09-30
    • JP2012065709
    • 2012-03-22
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • ISHII YASUTOMOSUGANO MAKOTOSAKOTA YUJIHORII KIYOTO
    • G03G15/08G03G15/09
    • G03G15/0173G03G15/0812G03G15/0921
    • PROBLEM TO BE SOLVED: To prevent an increase in a development amount at a center portion as compared to a development amount at both end portions in a width direction of an image holding member after development.SOLUTION: An image formation device 10 includes: a photoreceptor 62; a development sleeve 106B; a magnet roll 106A that is provided inside the development sleeve 106B; and a trimmer 108 that controls the thickness of a developer layer. A conveyance pole S2 and the trimmer 108 are arranged such that a developer G is accumulated at a position such that a bending amount in a vertical direction of the development sleeve 106B is equal to or greater than a bending amount in a horizontal direction thereof. In the development sleeve 106B, bending in the horizontal direction is minimized, so that a center portion of the development sleeve 106B is prevented from being closer to the photoreceptor 62. Accordingly, in the photoreceptor 62 after development, an increase in a development amount at the center portion as compared to a development amount at both end portions in a width direction can be prevented.
    • 要解决的问题:为了防止与显影后的图像保持部件的宽度方向上的两个端部的显影量相比中心部分的显影量增加。解决方案:图像形成装置10包括:感光体 62; 显影套筒106B; 设置在显影套筒106B内的磁辊106A; 以及控制显影剂层厚度的修剪器108。 传送极S2和修剪器108被布置成使显影剂G在显影套筒106B的垂直方向上的弯曲量等于或大于其水平方向上的弯曲量的位置处被堆积。 在显影套筒106B中,水平方向的弯曲被最小化,从而防止显影套筒106B的中心部分更靠近感光体62.因此,在显影后的感光体62中, 可以防止与在宽度方向上的两个端部处的显影量相比的中心部分。
    • 7. 发明专利
    • Developing device and image forming apparatus
    • 开发设备和图像形成装置
    • JP2013145345A
    • 2013-07-25
    • JP2012006516
    • 2012-01-16
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • HORII KIYOTOTERAO SATOHIKOSUGANO MAKOTOISHII YASUTOMOSAKOTA YUJI
    • G03G15/08
    • PROBLEM TO BE SOLVED: To obtain a developing device and an image forming apparatus capable of preventing a developer from being uselessly ejected from a developing unit.SOLUTION: A developer adhesion surface 122 is arranged on an inner side (an arrow J side in the figure) of a developing unit 72 to a vertical line passing through an end portion of an opening and closing member 112 in a state where an ejection surface 114 is arranged along a vertical direction and the opening and closing member 112 is moved to the opening position. Therefore, a developer G dropped from the developer adhesion surface 122 is suppressed from passing through a developer receiving port 120 and remains inside the developing unit 72. Thus, the developer G is suppressed from being uselessly ejected (unexpectedly ejected) from the developing unit 72.
    • 要解决的问题:获得能够防止显影剂从显影单元被无用地喷射的显影装置和图像形成装置。解决方案:显影剂粘合表面122布置在内侧(图中的箭头J侧) )显影单元72以沿着垂直方向布置喷射表面114并且打开和关闭构件112移动到打开位置的状态穿过打开和关闭构件112的端部的垂直线。 因此,从显影剂附着面122落下的显影剂G被抑制通过显影剂接收口120,并保持在显影单元72的内部。因此,可以抑制显影剂G从显影单元72被无用地喷射(意外地喷出) 。
    • 8. 发明专利
    • Image forming apparatus and rotary development device
    • 图像形成装置和旋转开发装置
    • JP2013130672A
    • 2013-07-04
    • JP2011279547
    • 2011-12-21
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • SAKOTA YUJISUGANO MAKOTOISHII YASUTOMOHORII KIYOTOTAKEUCHI YURIICHIKAWA TOMOYA
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of suppressing adhesion of a metal piece as foreign matter to a development unit used for development, and to provide a rotary development device incorporated in the image forming apparatus.SOLUTION: An image forming apparatus 1 includes a foreign matter collection member spread between: at least one development unit of a rotary development device 60, the development device that is incorporated in the image forming apparatus 1, supports multiple development units on a revolution orbit about a rotation axis, orbits the development units used for development to a position facing an image holding-body, supplies toner thereto, thereby developing an electrostatic latent image with the toner; and a foreign matter reception plate that is arranged under the rotary development device 60 and receives the foreign matter. The foreign matter collection member magnetically collects the magnetic foreign matter on the foreign matter reception plate, and is removed before starting to use the rotary development device 60.
    • 要解决的问题:提供一种能够抑制金属片作为异物粘附到用于显影的显影单元的粘合剂的图像形成装置,并且提供结合在图像形成装置中的旋转显影装置。解决方案:图像形成装置 1包括异物收集构件,其分布在:旋转显影装置60的至少一个显影单元,结合在图像形成装置1中的显影装置,支撑围绕旋转轴线的旋转轨道上的多个显影单元,轨道运动 用于显影的显影单元朝向图像保持体的位置,向其供应调色剂,从而与调色剂显影静电潜像; 以及布置在旋转显影装置60下方并接收异物的异物接收板。 异物收集部件磁性地收集异物接收板上的磁性异物,并且在开始使用旋转显影装置60之前被去除。
    • 9. 发明专利
    • 現像装置、画像形成装置
    • 开发设备和图像形成设备
    • JP2015025925A
    • 2015-02-05
    • JP2013155059
    • 2013-07-25
    • 富士ゼロックス株式会社Fuji Xerox Co Ltd
    • ONUKI TOMIOKUBO KEISUKESUGANO MAKOTO
    • G03G15/08G03G15/09
    • 【課題】現像装置の内部からトナーが漏れ出すのを抑制することができる現像装置、画像形成装置を得る。【解決手段】対向面110における下流縁110Aを接線Dに対して、スリーブ回転方向の上流側に配置し、間隙124をスリーブ回転方向の上流側から下流側に向けて徐々に広げ、かつ、直線Eと直線Hとの間に、円筒スリーブ80における剥離極N1の磁束密度の法線方向成分の最も高い部位Jが位置している。剥離極N1によって円筒スリーブ80から剥離した現像剤Gが対向面110の下流縁110Aへ流れる。そして、現像剤Gは、下流縁110Aと第1撹拌搬送オーガ112との間から第1撹拌路120へ戻される。これにより、円筒スリーブ80から剥離した現像剤Gのトナーが、筐体116内を舞って、間隙124から外部に漏れ出すのが抑制される。【選択図】図1
    • 要解决的问题:提供一种构造成防止调色剂从显影装置的内部泄漏并且提供图像形成装置的显影装置。解决方案:面向表面110中的下游边缘110A布置在套筒旋转的上游 相对于切线D的方向。间隙124在套筒旋转方向上从上游到下游逐渐延伸。 圆柱形套筒80中的分离极N1的通量密度的法向方向分量的最高部分J位于直线E和直线H之间。由分离极N1与圆柱形套筒80分离的显影剂G流动 到相对表面110中的下游边缘110A。显影剂G从下游边缘110A和第一搅动/输送螺旋输送器112之间移回到第一搅拌路径120.从圆柱形套筒80分离的显影剂G中的调色剂是 悬挂在壳体116中,以防止通过间隙124泄漏到外部。
    • 10. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2012103464A
    • 2012-05-31
    • JP2010251671
    • 2010-11-10
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • SUGANO MAKOTOSAKOTA YUJI
    • G03G15/01G03G15/00G03G15/06G03G15/08
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus that suppresses the occurrence of local image defects due to carriers adhered to a sheet such as cardboard, in forming a superimposed image by superimposing plural toner images on the sheet.SOLUTION: In forming a full color image on a thick sheet, an image forming apparatus changes developing condition of a black toner image, which is primary-transferred last (fourth) on an intermediate transfer belt, in order for carriers to have less transferability to a photoreceptor drum side, compared with a developing condition of respective colors of yellow, magenta, and cyan, which are primary-transferred to the intermediate transfer belt first through third. For example, the image forming apparatus makes a duty ratio of AC developing bias larger, which is supplied to a developing sleeve.
    • 要解决的问题:提供一种图像形成装置,其通过在纸张上叠加多个调色剂图像来形成叠加图像,从而抑制由于粘附到纸张如纸板的载体引起的局部图像缺陷的发生。 解决方案:在厚片上形成全色图像时,图像形成装置改变在中间转印带上最初(第四次)转印的黑色调色剂图像的显影条件,以使载体具有 与初次转印到中间转印带的黄色,品红色和青色的各种颜色的显影条件相比,感光鼓侧的转印性较差。 例如,图像形成装置使交流显影偏压的占空比较大,供给显影套筒。 版权所有(C)2012,JPO&INPIT