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    • 1. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
    • 固定装置和图像形成装置,包括它们
    • US20090311016A1
    • 2009-12-17
    • US12482684
    • 2009-06-11
    • Akira SHINSHI
    • Akira SHINSHI
    • G03G15/20
    • G03G15/2025G03G2215/2035
    • A fixing device to fix a toner image on a sheet includes a flexible endless belt that rotates in a predetermined direction, an inner circumferential surface of which includes a fluorine-containing surface layer, a rotary member that contacts an outer circumferential surface of the belt, a fixed member fixed inside the belt to press against the rotary member via the belt, forming a nip portion therebetween, a lubricant applied between the belt and the fixed member, and a heat source to heat at least one of the belt and the rotary member. A surface of the fixed member that slidingly contacts the inner circumferential surface of the belt includes a fluorine-containing surface layer. One of the fluorine-containing surface layers is porous, and at least one of the fluorine-containing surface layers has a surface energy greater than a surface tension of the lubricant.
    • 用于将调色剂图像固定在片材上的定影装置包括沿预定方向旋转的柔性环形带,其内圆周表面包括含氟表面层,与该带的外周表面接触的旋转构件, 固定部件,其固定在所述带内,经由所述带压靠在所述旋转部件上,在所述带之间形成压合部,在所述带与所述固定部件之间形成润滑剂,以及加热所述带和所述旋转部件中的至少一个的热源 。 滑动地接触带的内周面的固定构件的表面包括含氟表面层。 含氟表面层之一是多孔的,并且至少一个含氟表面层的表面能大于润滑剂的表面张力。
    • 3. 发明申请
    • FIXING DEVICE AND IMAGE-FORMING APPARATUS COMPRISING THE SAME
    • 固定装置和包含其的图像形成装置
    • US20090148204A1
    • 2009-06-11
    • US12326467
    • 2008-12-02
    • Hiroshi YOSHINAGAMasanao EHARAAkira SHINSHINaoki IWAYAYoshiki YAMAGUCHI
    • Hiroshi YOSHINAGAMasanao EHARAAkira SHINSHINaoki IWAYAYoshiki YAMAGUCHI
    • G03G15/20
    • G03G15/2035
    • A fixing device and image-forming apparatus, which provide required glossiness and paper adaptability, and, in addition, feature good operability and excellent durability while achieving optimal pressure-applying force for a variety of requirements, having: a pressure-applying lever; a pressure-releasing lever; a locking member, the one end of which is rotationally attached to the pressure-releasing lever; and an elastic member, which pulls the locking member in a locking direction. The configuration is such that the rotation of the pressure-releasing lever displaces the location of the locking member, thereby enabling switching between a pressure-applying position, in which a fixing member presses against another fixing member, and a pressure-releasing position, in which the one fixing member moves away from the other fixing member, and in the pressure-applying position, the pressure-applying lever and the locking member, which are fastened together at one end of the pressure-applying lever opposite a rotation central shaft, are pulled in a locking direction by the elastic member, and the gripping pressure on a piece of paper is varied by the pair of fixing members.
    • 提供所需的光泽度和纸张适应性的定影装置和图像形成装置,另外,具有良好的可操作性和优异的耐久性,同时为各种要求实现最佳的施加压力,具有:施压杆; 压力释放杆; 锁定构件,其一端旋转地附接到压力释放杆; 以及将锁定构件沿锁定方向拉动的弹性构件。 该配置使得释压杆的旋转移动锁定构件的位置,从而能够在固定构件压靠另一固定构件的压力施加位置与压力释放位置之间切换, 一个固定构件从另一个固定构件移动,并且在施压位置,压力施加杆和锁定构件在压力施加杆的与旋转中心轴相对的一端处紧固在一起, 通过弹性构件沿锁定方向被拉动,并且一张纸上的夹持压力由一对固定构件变化。
    • 4. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE
    • 固定装置和图像形成装置,包括固定装置
    • US20080175633A1
    • 2008-07-24
    • US11945639
    • 2007-11-27
    • Akira SHINSHI
    • Akira SHINSHI
    • G03G15/20
    • G03G15/2053G03G2215/2016G03G2215/2035G03G2215/2064
    • A fixing device and an image forming apparatus including the fixing device. The fixing device includes a heat source, an endless, flexible fixing member to fix a toner image by heating and melting the toner image onto a recording medium, a pressure member to press against the fixing member, a stationary facing member to face an inner surface of the fixing member and heat the fixing member while contacting the pressure member via the fixing member at a nip portion formed between the fixing member and the pressure member, and a reinforcement member to reinforce the facing member at the nip portion by contacting an inner surface of the facing member in a fixed manner.
    • 一种定影装置和包括该定影装置的图像形成装置。 定影装置包括热源,环形柔性固定构件,用于通过将调色剂图像加热和熔化到记录介质上来固定调色剂图像,压力构件以压靠固定构件,固定面对构件面向内表面 并且在形成在所述固定构件和所述压力构件之间的夹持部分处经由所述固定构件与所述压力构件接触时加热所述固定构件;以及加强构件,用于通过使所述固定构件与所述压力构件的内表面 面对的成员以固定的方式。
    • 7. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
    • 固定装置和成像装置的图像形成装置
    • US20110200369A1
    • 2011-08-18
    • US12963120
    • 2010-12-08
    • Akira SHINSHI
    • Akira SHINSHI
    • G03G15/20
    • G03G15/2053G03G2215/2035
    • A fixing device includes a fixing member, a heating member provided inside the fixing member to heat the fixing member, a nip formation member provided inside the fixing member and supported by the heating member, and a pressing member pressed against the nip formation member via the fixing member to form a fixing nip between the fixing member and the pressing member through which a recording medium bearing a toner image passes. The nip formation member includes a convex portion provided at a center of the nip formation member in an axial direction of the fixing member and protruding toward the heating member. The heating member has a tapered shape corresponding to the convex portion of the nip formation member, in which the heating member is tapered from lateral ends toward a center of the heating member in the axial direction of the fixing member.
    • 定影装置包括固定构件,设置在固定构件内部以加热定影构件的加热构件,设置在固定构件内部并由加热构件支撑的夹持形成构件,以及通过经由 固定构件在固定构件和按压构件之间形成定影辊隙,通过该按压构件支承调色剂图像的记录介质通过。 辊隙形成构件包括设置在夹持形成构件的中心处的固定构件的轴向方向的凸起部,并朝向加热构件突出。 所述加热部件具有与所述辊隙形成部件的凸部对应的锥形形状,所述加热部件从所述固定部件的轴向的侧端朝向所述加热部件的中心成锥形。
    • 9. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
    • 固定装置和图像形成装置,包括它们
    • US20140010578A1
    • 2014-01-09
    • US14022627
    • 2013-09-10
    • Yasunori ISHIGAYAAkira SHINSHIKenichi HASEGAWAHiroshi YOSHINAGARyota YAMASHINA
    • Yasunori ISHIGAYAAkira SHINSHIKenichi HASEGAWAHiroshi YOSHINAGARyota YAMASHINA
    • G03G15/20
    • G03G15/2064G03G2215/2035
    • A fixing device includes a fixing member, a pressing member, a stationary member, a metal member, flanges, a first heater, and a second heater. The pressing member is rotatably pressed against an outer circumferential surface of the fixing member to form a nip therebetween. The metal member is fixedly disposed opposite an inner circumferential surface of the fixing member over an area other than the nip. The flanges are disposed at axial edges of the metal member in contact with an inner circumferential surface of the metal member. The first heater is disposed opposite the inner circumferential surface of the metal member to heat an axial middle portion of the metal member. The second heater is disposed opposite the inner circumferential surface of the metal member to heat axial end portions of the metal member. The first heater is disposed farther from the nip than the second heater.
    • 定影装置包括固定构件,按压构件,固定构件,金属构件,凸缘,第一加热器和第二加热器。 按压构件被可旋转地压靠在固定构件的外周面上,以在它们之间形成辊隙。 金属构件与除了夹持部以外的区域相对地固定地设置在固定构件的内周面上。 凸缘设置在与金属构件的内周面接触的金属构件的轴向边缘处。 第一加热器与金属构件的内周面相对设置,以加热金属构件的轴向中间部分。 第二加热器与金属构件的内周面相对设置,以加热金属构件的轴向端部。 第一加热器布置得比第二加热器更远离辊隙。