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    • 1. 发明专利
    • 画像形成装置
    • 图像形成装置
    • JP2014232299A
    • 2014-12-11
    • JP2013225149
    • 2013-10-30
    • 株式会社リコーRicoh Co Ltd
    • KOSHIZUKA SHINNOSUKEKOSUGI HIDEKIKUBO TATSUYAFUJIMORI AKIRANODERA KENTAROKIKUCHI TEPPEI
    • G03G15/08G03G21/18
    • 【課題】着脱ユニット装着時に、着脱ユニットの補給口と現像剤補給ユニットの排出口との間をシールする弾性シール部材の連通穴の縁のめくれを抑制することができる画像形成装置を提供する。【解決手段】弾性シール部材41が固定されていない方のユニット(本実施形態では、サブホッパ90)の弾性シール部材41が密着する面における、弾性シール部材41の相対的移動方向上流側端部である弾性シール部材41を押し潰す押し潰し端部92aから弾性シール部材相対的移動方向上流側に離れるに従って、弾性シール部材41が固定された面から離間するように傾斜し、かつ、弾性変形可能な弾性シール部材41の押し潰し端部92aへのガイド部94aなどのガイド手段を設けた。【選択図】図8
    • 要解决的问题:提供一种图像形成装置,其被配置为防止弹性密封件的连通孔的边缘的卷曲,用于密封可拆卸单元的入口与显影剂供应单元的出口之间的间隙,当可拆卸单元是 导向装置如引导部分94a倾斜,以与固定在其上的弹性密封件41的表面分离,与破碎端92a分离,破碎端92a破碎位于上游端的弹性密封件41 在弹性密封构件41的相对移动方向上,在弹性密封构件41未固定的单元(副料斗90,在这种情况下)与弹性密封构件41紧密接触的表面朝向 在弹性密封构件的相对运动方向上游,并将可弹性变形的弹性密封构件41引导到破碎端部92a。
    • 2. 发明专利
    • 読み出し装置及び同装置を供える画像形成装置
    • 读出装置和图像形成装置,包括装置
    • JP2014219436A
    • 2014-11-20
    • JP2013096082
    • 2013-04-30
    • 株式会社リコーRicoh Co Ltd
    • FUJIMORI AKIRAKOSUGI HIDEKIKUBO TATSUYANODERA KENTAROKOSHIZUKA SHINNOSUKEKIKUCHI TEPPEI
    • G03G21/16G03G15/08
    • H04N1/00339G03G15/0863H04N1/00795
    • 【課題】着脱部材のIDチップ基板の電極と取り付け部に併設される読み出し部材の電極との電気的接続を的確に行える読み出し装置、同装置を供える画像形成装置を提供する。【解決手段】画像形成装置1に着脱可能でありチップ側の基板40を有するトナーカートリッジ15と、チップ側の基板40から情報を読み出す読み出し端子32〜34を基部より突出させる読み出し部材26とを備え、基板40は穴部46が設けられ、穴部には基板のグラウンド端子49が設けられ、読み出し端子と接触する金属パッド42〜46を備え、読み出し部材26は読み出し端子の近傍に穴部に嵌合する本体側グラウンド端子37を備え、嵌合突部は同径部351と先細り部352とを備え、該嵌合突部が穴部に嵌合した際にグラウンド端子に当接する本体側グラウンド端子37を備え、本体側グラウンド端子は同径部から張り出していると共に、同径部先端の延出側が先細り部で覆われる。【選択図】図5
    • 要解决的问题:提供一种能够精确地进行可拆卸构件的ID芯片基板的电极和设置在安装部分的读出部件的电极之间的电连接的读出装置,以及图像形成装置 包括该装置。解决方案:读出装置包括可移除地附接到图像形成装置1并且具有芯片侧的基板40的墨粉盒15和允许读出端子32至34读取的读出部件26 从芯片侧的基板40输出信息从基部突出。 基板40包括孔部46,孔部包括基板的接地端子49和与读取端子32〜34接触的金属焊盘42〜44。读出部件26包括主体侧 配置在读出端子附近的孔部的接地端子37以及配合突起部的同一直径部351和锥形部352,其中体侧接地端子37与地面接触 在将配合突起部嵌合于孔部的情况下,将基板的端子从与扩径侧的端部的锥形部覆盖的直径相同的部分突出。
    • 3. 发明专利
    • Developing device, process cartridge, and image forming apparatus
    • 开发设备,过程盒和图像形成装置
    • JP2014174537A
    • 2014-09-22
    • JP2013050257
    • 2013-03-13
    • Ricoh Co Ltd株式会社リコー
    • TAKAYAMA AKITATATEYAMA SUSUMUKITA EMIKUBO TATSUYANODERA KENTAROKOSHIZUKA SHINNOSUKE
    • G03G15/08G03G21/00G03G21/18
    • PROBLEM TO BE SOLVED: To provide a developing device that suppresses, even when a circulation path in a longitudinal direction of a developer is formed of two conveying members arranged in a vertical direction to be opposite to a developer carrier and a conveying member arranged to be opposite to the conveying members, the occurrence of trouble that a toner and a developer are scattered due to an increase in inner pressure in a second conveyance path; a process cartridge; and an image forming apparatus.SOLUTION: A third conveyance path B3 includes, at an intermediate part in a conveyance direction, a narrow part B31 that is formed to have the smallest cross-sectional area of the third conveyance path B3. The third conveyance path B3 also has an opening part 23r that is formed at a position on the downstream side in the conveyance direction with respect to the narrow part B31, and communicates with the outside of a developing device 23 and is exposed to the outside of a face plate. The opening part 23r includes a removable filter unit 40, and the filter unit 40 includes a filter 41.
    • 要解决的问题:提供一种显影装置,即使当显影剂的纵向方向上的循环路径由垂直方向布置成与显影剂载体相对的两个输送构件和排列成为显影剂载体的输送构件时也被抑制 与输送构件相对,由于第二输送路径中的内部压力的增加,调色剂和显影剂分散的问题的发生; 处理盒; 和图像形成装置。解决方案:第三输送路径B3在输送方向的中间部分包括形成为具有第三输送路径B3的最小横截面积的窄部B31。 第三输送路径B3还具有开口部23r,该开口部23r形成在相对于窄部B31的输送方向的下游侧的位置,并与显影装置23的外部连通,并且暴露于 面板。 开口部23r包括可移除的过滤器单元40,并且过滤器单元40包括过滤器41。
    • 4. 发明专利
    • Shutter mechanism, and image forming apparatus
    • 快门机构和图像形成装置
    • JP2014035504A
    • 2014-02-24
    • JP2012177716
    • 2012-08-10
    • Ricoh Co Ltd株式会社リコー
    • UENISHI HIROYUKITATEYAMA SUSUMUYAMAZAKI KOICHIKUBO TATSUYATAKAYAMA AKITANODERA KENTAROKOSHIZUKA SHINNOSUKE
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a shutter mechanism that reduces a defect of the occurrence of scattering of powder due to generation of a gap between a shutter member and a shutter holding part, and an image forming apparatus.SOLUTION: An exhaust port 81a1 is formed to be opposite to the surface of a shutter member 87, and wall parts 81a2 are formed to be opposite to both ends in a width direction of the shutter member 87, so as to provide a shutter holding part 81a for guiding the shutter member 87 to move in an opening/closing direction while holding the shutter member 87. The shutter holding part 81a is formed such that the shutter member 87 is moved in a direction to open the exhaust port 81a1 while being inclined relative to the wall parts 81a2 of the shutter holding part 81a in a plane where the shutter member 87 is opened and closed.
    • 要解决的问题:提供一种快门机构,其减少由于挡板部件和快门保持部分之间的间隙的产生而引起的粉末散射的缺陷和图像形成装置。解决方案:排气口81a1 形成为与挡板部件87的表面相对,并且壁部81a2形成为与闸板部件87的宽度方向上的两端相对,以提供用于引导挡板部件87的遮板保持部81a 在保持快门部件87的同时沿打开/关闭方向移动。快门保持部分81a形成为使得活门部件87沿着打开排气口81a1的方向移动,同时相对于所述挡板部件81a的壁部分81a2倾斜 快门保持部81a在开闭部件87打开和关闭的平面中。
    • 5. 发明专利
    • Image forming apparatus and process cartridge
    • 图像形成装置和处理盒
    • JP2013025103A
    • 2013-02-04
    • JP2011160006
    • 2011-07-21
    • Ricoh Co Ltd株式会社リコー
    • KUBO TATSUYATATEYAMA SUSUMUSUZUKI YUJITAKAYAMA AKITAUENISHI HIROYUKINODERA KENTAROKOSHIZUKA SHINNOSUKE
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus which can reduce a difference of an estimated amount of supply into a development apparatus from a real supply amount as much as possible, can prevent increase of a drive load of stirring conveying members in the development apparatus, and can prevent abnormality of an output image due to differences of the amount of supply.SOLUTION: An outlet 23d1 for draining developer G outside when driving in a standard speed mode is provided to a development apparatus 23. A toner and a carrier are supplied from a first supply apparatus 28 in response to toner consumption, and a new toner and a new carrier are supplied to the first supply apparatus 28 from a toner bottle by a Moineau pump 29 as a second supply apparatus. The drive time of the second supply apparatus in a slowdown mode is measured and accumulated, and when the accumulation time is more than an appointed supply accumulation time, the developer G is drained by stirring conveying members 23b1, 23b2 and developer supports 23a1, 23a2 rotating faster than the slowdown mode for appointed time.
    • 要解决的问题:为了提供一种图像形成装置,其可以尽可能减少从实际供给量估计的显影装置的供给量的差异的图像形成装置,可以防止搅拌输送构件的驱动负载的增加 在显影装置中,能够防止由于供给量的差异导致的输出图像的异常。 解决方案:在以标准速度模式驱动时将显影剂G外部排出的出口23d1提供给显影装置23.响应于调色剂消耗,从第一供应装置28供应调色剂和载体,并且新的 调色剂和新载体通过作为第二供给装置的莫卧式泵29从调色剂瓶供给到第一供给装置28。 第二供给装置在减速模式下的驱动时间被测量和累积,并且当累积时间大于指定的供给累积时间时,通过搅拌输送构件23b1,23b2和显影剂支撑件23a1,232旋转来排出显影剂G 比指定时间的放缓模式快。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • 現像剤補給具
    • 开发人员补充工具
    • JP2014215521A
    • 2014-11-17
    • JP2013094126
    • 2013-04-26
    • 株式会社リコーRicoh Co Ltd
    • KOSHIZUKA SHINNOSUKEKOSUGI HIDEKIKUBO TATSUYAFUJIMORI AKIRAKIKUCHI TEPPEINODERA KENTARO
    • G03G15/08
    • G03G15/08
    • 【課題】現像装置への現像剤の供給を取り外すことなく任意に止めることができ、取り外すことによる面倒さ等を解消できる現像剤補給具を提供する。【解決手段】現像剤補給具1は、本体部2と、本体部2に差し込んで取り付けられたシャッタ部材3とからなる。本体部2は現像剤を貯留する貯留部4と、垂直流路部5と、覆い部6とからなる。現像装置の搬送路を覆うように覆い部6を装着して現像剤補給具1を固定する。装着したときに現像剤補給具1の補給用連通口と現像装置の補給口とが連通する。シャッタ部材3を出し入れすることにより、現像剤が現像装置に供給される開放位置と、現像剤の流下を遮断する閉鎖位置とに任意に設定できる。【選択図】図5
    • 要解决的问题:提供一种显影剂补充工具,其能够通过选择性地停止向显影装置供应显影剂而消除显影剂容器的故障,而不需要移除显影剂容器。解决方案:显影剂补充工具1包括主体部分 以及通过插入安装到主体部2的活门构件3。 主体部分2包括用于储存显影剂的存储部分4,垂直流动通道5和盖子6.显影剂补充工具1通过安装盖6固定以覆盖显影装置的输送通道。 当安装盖时,显影剂补充工具1的补充连通孔与显影装置的供给口连通。 通过使挡板部件3进入/关闭,可以可选地设置用于将显影剂供应到显影装置的打开位置和用于切断显影剂流动的关闭位置。
    • 7. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2014134651A
    • 2014-07-24
    • JP2013002322
    • 2013-01-10
    • Ricoh Co Ltd株式会社リコー
    • KOSHIZUKA SHINNOSUKEKOSUGI HIDEKIKUBO TATSUYAFUJIMORI AKIRANODERA KENTAROKIKUCHI TEPPEI
    • G03G15/08G03G21/20
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of appropriately suppressing an increase in temperature of a developer storage part with an inexpensive configuration.SOLUTION: An image forming apparatus includes: a first unit such as a developing unit 4 having a developer storage part 3 that includes a stirring and conveying member such as a screw stirring and conveying developer; and a second unit such as a drum cleaning unit 72 that is arranged opposite to an outer wall of the developer storage part in the first unit. The image forming apparatus further includes: air blowing means such as an air blowing fan 155 that blows air from one end toward the other end of a space formed between the outer wall of the developer storage in the first unit and a wall part of the second unit opposite to the outer wall of the developer storage unit; and a regulating part 121 that regulates the leakage of air into a space communicating with the gap on a cross section obtained by cutting along a direction orthogonal to the air blowing direction to which the air is supplied to the space of the first unit and second unit.
    • 要解决的问题:提供能够以便宜的结构适当地抑制显影剂储存部件的温度升高的图像形成装置。解决方案:图像形成装置包括:第一单元,例如显影单元4,其具有显影剂储存器 部分3包括搅拌和输送构件,例如螺杆搅拌和输送显影剂; 以及与第一单元中的显影剂储存部的外壁相对设置的第二单元,例如滚筒清洁单元72。 图像形成装置还包括:吹风装置,例如吹风风扇155,其从形成在第一单元中的显影剂储存器的外壁和第二单元的壁部之间的空间的一端朝向另一端吹动空气 单元与显影剂存储单元的外壁相对; 以及调节部121,其将空气泄漏到与通过空气供给的空气吹送方向正交的方向切割而获得的横截面上与间隙连通的空间到第一单元的空间,第二单元 。
    • 8. 发明专利
    • Developer storage container, developer supply device, and image forming apparatus
    • 开发商存储容器,开发者供应设备和图像形成装置
    • JP2014123055A
    • 2014-07-03
    • JP2012279740
    • 2012-12-21
    • Ricoh Co Ltd株式会社リコー
    • NODERA KENTAROKOSUGI HIDEKIFUJIMORI AKIRAKUBO TATSUYAKOSHIZUKA SHINNOSUKEKIKUCHI TEPPEI
    • G03G15/08G03G21/18
    • PROBLEM TO BE SOLVED: To facilitate easy replacement work while reducing an installation space.SOLUTION: A developer storage container 50 according to the present invention includes: a handle 54 that is removably attached to a storage part 41, stores a developer therein, and is provided on a container surface 50A located in a separation direction A2 from the storage part 41, openably/closably between a storage position to be parallel to the container surface and an operation position erected with respect to the container surface; and arms 543 and 544 that are provided on the handle 54, and elastically deformed to contact the container surface when the handle is at the operation position, and urge the container surface in a direction to move toward the storage position with respect to the handle.
    • 要解决的问题:为了便于更换工作,同时减少安装空间。解决方案:根据本发明的显影剂储存容器50包括:手柄54,其可移除地附接到存储部分41,在其中存储显影剂,并且是 设置在位于与存储部41分离的方向A2的容器表面50A上,可开闭地封闭在与容器表面平行的存储位置和相对于容器表面竖立的操作位置之间; 以及臂543和544,其设置在手柄54上,并且当手柄处于操作位置时弹性变形以与容器表面接触,并且朝向相对于手柄的存储位置移动的方向推动容器表面。
    • 9. 发明专利
    • Developing device, process cartridge, and image forming apparatus
    • 开发设备,过程盒和图像形成装置
    • JP2013037268A
    • 2013-02-21
    • JP2011174819
    • 2011-08-10
    • Ricoh Co Ltd株式会社リコー
    • TAKAYAMA AKITATATEYAMA SUSUMUSUZUKI YUJIKUBO TATSUYAUENISHI HIROYUKINODERA KENTAROKOSHIZUKA SHINNOSUKE
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide a developing device that has the following characteristics in which: even when a circulation path in a longitudinal direction of developer is formed using two conveying members disposed in upper and lower directions to face a developer carrier, and a conveying member disposed to face those conveying members, failure is less likely to occur that an increase in inner pressure in a second conveyance path causes scattering of toner or developer, as well as a process cartridge, and an image forming apparatus.SOLUTION: A third conveyance path B3 is provided with a narrow part B31 in a center part in the conveying direction in such a manner that the third conveyance path B3 has the smallest cross-sectional area. An opening 23r that communicates with the outside of a developing device 23 is formed at a position on the downstream side in the conveying direction of the narrow part B31.
    • 要解决的问题:提供一种具有以下特征的显影装置:其中:即使当使用两个沿上下方向设置的输送构件形成显影剂纵向的循环路径以面对显影剂载体时, 以及设置成面对这些输送部件的输送部件,不太可能发生第二输送路径中的内部压力的增加导致调色剂或显影剂以及处理盒和图像形成装置的散射的故障。 解决方案:第三输送路径B3在输送方向的中心部分设置有窄边部分B31,使得第三输送路径B3的横截面积最小。 与狭窄部B31的输送方向的下游侧的位置形成有与显影装置23的外部连通的开口部23r。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Developing device, process cartridge, and image forming apparatus
    • 开发设备,过程盒和图像形成装置
    • JP2011123328A
    • 2011-06-23
    • JP2009281345
    • 2009-12-11
    • Ricoh Co Ltd株式会社リコー
    • NODERA KENTARO
    • G03G15/08G03G15/095
    • PROBLEM TO BE SOLVED: To provide a developing device, process cartridge, and image forming apparatus that prevent such a failure that a developer is diffused and discharged from an opening disposed under a conveying member even when the developer is discharged from the opening while the developer is circulated by rotating and driving the conveying member. SOLUTION: The developing device includes: the opening 23h that is formed under the conveying route by one conveying member 23n, of a plurality of conveying members, and discharges the developer stored in the device 23 to the outside of the device 23; a shutter 23g for opening and closing the opening 23h; and a sealing member 23w arranged between a periphery of the opening 23h and the shutter 23g. The sealing member 23w is formed to block a position facing the downstream side of the rotating direction of the conveying member 23n in the opening 23h. COPYRIGHT: (C)2011,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,即使当显影剂从开口排出时也防止显影剂从设置在输送部件下方的开口扩散排出的故障 而显影剂通过旋转和驱动输送构件而循环。 解决方案:显影装置包括:由多个输送构件的一个输送构件23n在输送路径下形成的开口23h,并将存储在装置23中的显影剂排出到装置23的外部; 用于打开和关闭开口23h的快门23g; 以及布置在开口23h的周边和闸板23g之间的密封构件23w。 密封构件23w形成为在开口23h中阻挡与输送构件23n的旋转方向的下游侧相对的位置。 版权所有(C)2011,JPO&INPIT