会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • 定着装置および画像形成装置
    • 固定装置和图像形成装置
    • JP2014197139A
    • 2014-10-16
    • JP2013072975
    • 2013-03-29
    • 株式会社リコーRicoh Co Ltd
    • YAMANO MOTOYOSHITOKUDA TETSUOSAKAMAKI TAKASHISUZUKI NAOTOUENO SATOSHIUTSUNOMIYA KOICHIHIROSE FUMIHIRO
    • G03G15/20
    • G03G15/2057G03G15/2017G03G15/2039G03G15/2053G03G15/2078
    • 【課題】発熱効率および自己温度制御機能のいずれをも満足できる構成を備えた定着装置を提供することにある。【解決手段】磁束を発生させて誘導加熱を行う励磁コイル、前記励磁コイルによる誘導加熱により発熱する発熱層および該発熱層を挟んで前記励磁コイルに対向し、組成の調整によりキューリー温度を境に磁性・非磁性に切り替わる感温性磁性体、前記感温性磁性体よりも電気抵抗率が低い非磁性体からなる消磁部材を備え、前記感温性磁性体による磁性・非磁性の切り換えにより加熱領域および非加熱領域を選択可能な定着装置であって、前記消磁部材は、前記励磁コイルと対向する位置での距離が4.2mm以上8.2mm以下に設定されていることを特徴としている。【選択図】図2
    • 要解决的问题:提供一种包括满足加热效率和自温度控制功能的构造的定影装置。解决方案:一种定影装置,包括产生磁通以实现感应加热的激励线圈,产生 通过感应加热激励线圈的热量和在加热层上面对激励线圈的热敏磁性材料,并通过组合物的调节以居里温度作为边界在磁性和非磁性之间切换,并且组成的退磁部件 具有低于热敏磁性材料的电阻率低的非磁性材料,其中在磁性和非磁性之间切换热敏磁性材料允许选择加热区域和非加热区域。 退磁构件在设定在4.2mm以上且8.2mm以下的距离的位置处面对励磁线圈。
    • 2. 发明专利
    • A fixing device and an image forming apparatus
    • 固定装置和图像形成装置
    • JP2014191333A
    • 2014-10-06
    • JP2013069612
    • 2013-03-28
    • Ricoh Co Ltd株式会社リコー
    • UENO SATOSHITOKUDA TETSUOSUZUKI NAOTOSAKAMAKI TAKASHIUTSUNOMIYA KOICHIHIROSE FUMIHIROYAMANO MOTOYOSHI
    • G03G15/20
    • G03G15/2025G03G15/2032G03G15/2067G03G15/2075G03G2215/2032
    • PROBLEM TO BE SOLVED: To provide a fixing device including a cleaning device capable of reducing web consumption, while suppressing the degradation of image quality.SOLUTION: A fixing device 1 includes a fixing member 3, a freely rotatable pressure member 7, a pressure lever 8, a pressure cam mechanism 2 bringing or separating the pressure member 7 into contact with or from the fixing member 3 by rocking the pressure lever 8, a cleaning web 11 cleaning the surface of the pressure member 7, a pressing member 12 pressing the cleaning web 11 toward the pressure member 7, a web winding shaft 13 winding the cleaning web 11, a web supply shaft 14 supplying the cleaning web 11, a cleaning unit 10 which includes all the cleaning web 11, the pressing member 12, the web winding shaft 13, and the web supply shaft 14 and can be rocked as a unit, and a unit cam mechanism 15 rocking the cleaning unit 10. The cleaning unit 10 can be brought into contact with or separated from the pressure member 7.
    • 要解决的问题:提供一种定影装置,其包括能够降低纸幅消耗的清洁装置,同时抑制图像质量的劣化。解决方案:定影装置1包括固定构件3,可自由旋转的压力构件7,压力杆 如图8所示,压力凸轮机构2通过摇动压力杆8而使压力构件7与固定构件3接触或分离,压力构件7清洁压力构件7的表面的清洁腹板11,按压构件12的清洁 卷筒纸11朝向压力部件7,卷绕清洁纸幅11的纸卷绕轴13,供给清洁纸幅11的纸幅供给轴14,清洁单元10,其包括所有清洁纸条11,按压件12,纸卷绕 轴13和卷材供应轴14,并且可以作为一个单元摇摆;以及摆动清洁单元10的单元凸轮机构15.清洁单元10可与压力构件7接触或分离。
    • 3. 发明专利
    • Fixing apparatus and image forming apparatus
    • 固定装置和图像形成装置
    • JP2014142518A
    • 2014-08-07
    • JP2013011481
    • 2013-01-24
    • Ricoh Co Ltd株式会社リコー
    • YAMANO MOTOYOSHITOKUDA TETSUOSAKAMAKI TAKASHISUZUKI NAOTOUENO SATOSHIHIROSE FUMIHIROUTSUNOMIYA KOICHI
    • G03G15/20
    • PROBLEM TO BE SOLVED: To provide a fixing apparatus formed by covering a fixing belt with a coil externally, thereby enabling separation between the belt and the coil, simple configuration and easy maintenance.SOLUTION: A fixing apparatus includes a heat generating layer 23, an exciting coil 15 which generates a magnetic flux 41 and induction-heats the heat generating layer 23, and a magnetic flux adjustment member 16 arranged in a position opposite the exciting coil 15 across the heat generating layer 23. The magnetic flux adjustment member 16 blocks the magnetic flux at a Curie temperature or lower, and heats the heat generating layer 23, while the magnetic flux adjustment member 16 transmits the magnetic flux 41 at above the Curie temperature. The transmitted magnetic flux 41 interferes with the magnetic flux 41 generated from the exciting coil 15 to suppress heating.
    • 要解决的问题:提供一种定影装置,该定影装置通过将定影带与线圈外部覆盖而形成,从而能够使带与线圈之间分离,结构简单,维护方便。解决方案:定影装置包括发热层23, 励磁线圈15,其产生磁通量41并对发热层23进行感应加热;以及磁通量调节构件16,其布置在跨越发热层23的与励磁线圈15相对的位置。磁通量调节构件16阻挡 在居里温度以下的磁通量,并且加热发热层23,同时磁通量调节构件16以高于居里温度的方式透过磁通41。 传输磁通41干扰从励磁线圈15产生的磁通量41,以抑制加热。
    • 5. 发明专利
    • Fixing device and image forming device
    • 固定装置和图像形成装置
    • JP2013019935A
    • 2013-01-31
    • JP2011150743
    • 2011-07-07
    • Ricoh Co Ltd株式会社リコー
    • SUZUKI NAOTO
    • G03G15/20
    • PROBLEM TO BE SOLVED: To prevent an increase in fixing member temperature of a non-paper-passing area and enable uniform temperature distribution in a fixing member width direction even when sheets of various sizes, kinds and thicknesses are used.SOLUTION: Heat dissipation members 51L, 51R are provided so as to be brought into contact with or separated from fixing members 101, 102 by turning on/off a solenoid 55, and to be moved in an axial direction of the fixing member 102 by a drive motor 61. Temperature detection means 111, 112 are provided to detect a temperature distribution in a direction orthogonal to a paper conveyance direction of the fixing member. On the basis of the temperature distribution in the direction orthogonal to the paper conveyance direction of the fixing member detected by the temperature detection members 111, 112, a position in the direction orthogonal to the paper conveyance direction when the fixing member is brought into contact with the heat dissipation members 51L, 51R is controlled.
    • 要解决的问题:为了防止非通纸区域的定影部件温度升高,并且即使使用各种尺寸,种类和厚度的片材,也能够使固定部件宽度方向上的均匀的温度分布。 解决方案:散热构件51L,51R设置成通过接通/断开螺线管55与固定构件101,102接触或分离,并且沿固定构件的轴向方向移动 设置有温度检测装置111,112,用于检测与定影部件的纸张输送方向正交的方向的温度分布。 基于与由温度检测部件111,112检测出的定影部件的纸张输送方向正交的方向的温度分布,当与固定部件接触时的与纸张输送方向正交的方向上的位置 散热构件51L,51R被控制。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Fixing device and image forming device
    • 固定装置和图像形成装置
    • JP2012163752A
    • 2012-08-30
    • JP2011023780
    • 2011-02-07
    • Ricoh Co Ltd株式会社リコー
    • YAMAMOTO TAKESHISUZUKI NAOTOHIROSE FUMIHIRO
    • G03G15/20G03G21/00G03G21/14
    • PROBLEM TO BE SOLVED: To provide a non-contact separation fixing device allowing removal of jammed paper without damaging or contaminating a separation member or a fixing member when jammed paper is removed at the occurrence of a multi-feed, the fixing device blowing compressed gas between toner-fixed paper and a fixing member to separate the paper.SOLUTION: A fixing device includes a fixing member with a heating source and a pressure member configured to move close to or away from the fixing member to press the fixing member, and conveys a recording medium with an unfixed toner image carried thereon to a fixing nip formed by the fixing member and the pressure member to fix the toner image on the recording medium. At least one compressed gas jetting means is provided for jetting the compressed gas from a fixing nip outlet-side in the fixing nip direction along the fixing member. When the recording medium is jammed during fixing, the pressure member is separated from the fixing member, and the compressed gas is jetted for predetermined time from the compressed gas jetting means.
    • 要解决的问题:为了提供一种非接触分离固定装置,当多次进给发生时,当卡住的纸被去除时,允许去除卡住的纸而不损坏或污染分离部件或固定部件,固定装置 在调色剂固定纸和固定构件之间吹送压缩气体以分离纸张。 解决方案:固定装置包括具有加热源的固定构件和构造成移动靠近或远离固定构件的压力构件以按压固定构件,并将其上承载有未定影调色剂图像的记录介质输送到 由固定构件和压力构件形成的定影夹持件,用于将调色剂图像定影在记录介质上。 提供至少一个压缩气体喷射装置,用于沿着固定构件在定影夹紧方向上从定影辊隙出口侧喷射压缩气体。 当记录介质在固定期间卡住时,压力构件与固定构件分离,压缩气体从压缩气体喷射装置喷射预定时间。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Sheet separation apparatus, fixing apparatus and image formation apparatus
    • 薄片分离装置,固定装置和图像形成装置
    • JP2012048110A
    • 2012-03-08
    • JP2010192011
    • 2010-08-30
    • Ricoh Co Ltd株式会社リコー
    • YAMAMOTO TAKESHISUZUKI NAOTOHIROSE FUMIHIRO
    • G03G15/20B65H29/54
    • PROBLEM TO BE SOLVED: To prevent a separation member to contact a pressure roller in a configuration to locate the separation member in a very narrow space of a paper passage part just after a nip.SOLUTION: An abutting member 74 has a tip concealment part 79 at the tip. The tip of a division plate 75 is located within a projection range of the tip concealment part 79. Even if a pressure member facing part 74e of the abutting member 74 abuts on a pressure roller 56 when the division plate 75 and the abutting member 74 rotate integrally, damage to the pressure roller is prevented because the tip of the division plate 75 does not contact the pressure roller. In addition, the damage to the pressure roller by the abutting member 74 is prevented because the pressure member facing part 74e of the abutting member 74 is provided in a curved line cross-section.
    • 要解决的问题:为了防止分离构件接触构造中的压力辊,以将分离构件定位在刚好在辊隙之后的纸通道部分的非常窄的空间中。 解决方案:抵接构件74在尖端具有尖端隐藏部分79。 分隔板75的尖端位于尖端隐藏部分79的投影范围内。即使当分隔板75和抵接构件74旋转时抵靠构件74的抵靠构件74的面对部分74e的压力构件抵靠压力辊56 一体地,由于分隔板75的尖端不与压力辊接触,所以防止压力辊的损坏。 此外,由于抵接构件74的压力构件对置部74e设置为曲线横截面,所以防止了抵靠构件74对压力辊的损坏。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Recording medium separating device, fixing device, and image forming device
    • 记录介质分离装置,固定装置和图像形成装置
    • JP2012047867A
    • 2012-03-08
    • JP2010188115
    • 2010-08-25
    • Ricoh Co Ltd株式会社リコー
    • SUZUKI NAOTOYAMAMOTO TAKESHI
    • G03G15/20
    • G03G15/2028
    • PROBLEM TO BE SOLVED: To provide a separating device, a fixing device, and an image forming device, which can prevent a separation claw from contacting a pressure member and can obtain a fixed image having higher quality.SOLUTION: An abutting member 74 fixed to a stay 72 is brought into contact with a fixing belt 51 in a paper non-feeding area, thereby a separation plate 75 rotatably supported by a pivot 73 is arranged on a surface of the fixing belt 51 with a fine gap therebetween. A swing regulation screw 80 is provided on the stay 72, and after the gap at an end of the separation plate 75 is adjusted by an end gap adjusting screw 77, an adjustment is performed such that an end of the swing regulation screw 80 contacts a back end of a base material 75a of the separation plate. Even when a paper jamming occurs, the swing regulation screw 80 regulates rotation of the separation plate 75 in a clockwise direction to prevent the end of the separation plate 75 from contacting a pressure roller 55.
    • 要解决的问题:提供一种分离装置,定影装置和图像形成装置,其可以防止分离爪与压力构件接触,并且可以获得具有较高质量的固定图像。 解决方案:固定在支柱72上的抵接构件74与纸张非进给区域中的定影带51接触,从而可旋转地由枢轴73支撑的分隔板75布置在固定件的表面上 带51之间具有细小间隙。 摆动调节螺钉80设置在支柱72上,在通过端间隙调节螺钉77调节分隔板75的端部的间隙之后,进行调节,使得摆动调节螺钉80的端部接触 分离板的基材75a的后端。 即使当卡纸发生时,摆动调节螺钉80调节分离板75沿顺时针方向的旋转,以防止分离板75的端部与压力辊55接触。版权所有:(C)2012,JPO&INPIT
    • 10. 发明专利
    • 分離装置及び定着装置並びに画像形成装置
    • 分离装置,以及固定装置和图像形成装置
    • JP2014199382A
    • 2014-10-23
    • JP2013077546
    • 2013-04-03
    • 株式会社リコーRicoh Co Ltd
    • HIROSE FUMIHIROSUZUKI NAOTOUENO SATOSHIUTSUNOMIYA KOICHITOKUDA TETSUOSAKAMAKI TAKASHIYAMANO MOTOYOSHI
    • G03G15/20
    • 【課題】記録媒体の分離性に優れ、かつ、画像品質に影響を及ぼさない簡易な構成で廉価な分離装置を提供する。【解決手段】 2つの回転体により形成されるニップ部から送出される記録媒体を、2つの回転体のうち記録媒体の画像面に対向する対向回転体から分離する分離装置において、対向回転体に対して隙間をあけて配置される分離部材と、位置調整機構を介して分離部材を支持する支持部材と、支持部材に備わり、対向回転体の回転軸方向両端領域であって、最大画像領域外に対応する位置に配設され、且つ、対向回転体に当接する当接部材と、を有する分離装置であって、分離部材は、記録媒体進行方向で下流側に、少なくとも1つの凹部を有し、凹部は、記録媒体ガイド面から離間する方向の凹形状であり、位置調整機構は、凹部と支持部材に接続されて、分離部材の位置を調整及び固定し、少なくとも1つの凹部を覆うガイド部材を有する。【選択図】図8
    • 要解决的问题:提供一种廉价的分离装置,并且具有记录介质的分离性优异的简单结构,并且不影响图像质量。分离装置分离由两个形成的夹持部分送出的记录介质 所述旋转体与所述记录介质的图像表面相对的所述两个旋转体的相对的旋转体,包括:分离部件,其间隔设置在所述相对的旋转体上; 支撑构件,其经由位置调整机构支撑所述分离构件; 以及包括在支撑构件中的接触构件,其设置在与相对的旋转体的旋转轴方向上的两个端部区域对应的位置和最大图像区域的外侧,并且与相对的旋转体 。 分离构件在记录介质的行进方向上包括在下游侧的至少一个凹部,并且凹部在与记录介质引导表面分离的方向上具有凹形形状; 并且所述位置调整机构包括与所述凹部和所述支撑部件连接的引导部件,以调整和固定所述分离部件的位置并覆盖所述至少一个凹部。