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    • 6. 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
    • US20140119762A1
    • 2014-05-01
    • US13975712
    • 2013-08-26
    • Naoto SUZUKIJun OkamotoSatoshi Ueno
    • Naoto SUZUKIJun OkamotoSatoshi Ueno
    • G03G15/20
    • G03G15/2017G03G15/2053G03G2215/2032
    • A fixing device includes a heat roller, a fuser member, an endless belt, a pressure member, a first rotation transmitter, a second rotation transmitter, a rotation sensor, a controller, a first biasing member, and a second biasing member. The heat roller is rotatable around a rotational axis thereof while subjected to induction heating. The fuser member is disposed parallel to the heat roller. The endless belt is looped for rotation around the heat roller and the fuser member. The pressure member is disposed opposite the fuser member via the endless belt. The first rotation transmitter is connected to the rotational axis of the heat roller to rotate around a rotational axis thereof upon rotation of the heat roller. The second rotation transmitter engages the first rotation transmitter to rotate around a rotational axis thereof upon rotation of the first rotation transmitter.
    • 定影装置包括加热辊,定影器构件,环形带,压力构件,第一旋转变送器,第二旋转变送器,旋转传感器,控制器,第一施力构件和第二施力构件。 加热辊可以绕其旋转轴线旋转,同时进行感应加热。 定影构件平行于加热辊设置。 环形带围绕加热辊和定影器构件旋转。 压力构件通过环形带布置成与定影器构件相对。 第一旋转变送器在加热辊旋转时连接到加热辊的旋转轴线,以绕其旋转轴线旋转。 当第一旋转发射器旋转时,第二旋转发射器接合第一旋转发射器围绕其旋转轴线旋转。
    • 7. 发明授权
    • Fixing unit and image forming apparatus
    • 定影单元和成像设备
    • US08626018B2
    • 2014-01-07
    • US13041703
    • 2011-03-07
    • Tadashi OgawaMasanao EharaSatoshi UenoHiroshi SeoTakahiro ImadaTakamasa Hase
    • Tadashi OgawaMasanao EharaSatoshi UenoHiroshi SeoTakahiro ImadaTakamasa Hase
    • G03G15/20G03G15/16G03G15/00
    • G03G15/6576G03G2215/00662G03G2215/20
    • A fixing unit includes a fixing member to fuse a toner image on a recording medium on the recording medium; a pressure member to press against the fixing member to define a first nip between the fixing member and the pressure member through which the recording medium is transported; a shifting unit to move the pressure member relative to the fixing member to increase or decrease a pressure of the first nip; a curling correction unit disposed downstream from the first nip in a transport direction of the recording medium that imparts a second curling direction to the recording medium; and a variable setting unit operatively connected to the curling correction unit to variably set an amount of the second curling direction to the recording medium by the curling correction unit depending on the first nip pressure increased or decreased by the shifting unit.
    • 定影单元包括用于将记录介质上的记录介质上的调色剂图像熔合的固定构件; 压力构件,以压靠所述固定构件,以在所述固定构件和所述压力构件之间限定所述记录介质被输送的第一压合部; 移动单元,用于相对于所述固定构件移动所述压力构件,以增加或减小所述第一压区的压力; 卷曲校正单元,其在所述记录介质的输送方向上设置在所述第一压区的下游,从而向所述记录介质施加第二卷曲方向; 以及可变设定单元,其可操作地连接到所述卷曲校正单元,以根据由所述移位单元增加或减少的所述第一夹紧压力,通过所述卷曲校正单元将所述第二卷曲方向的量可变地设定到所述记录介质。
    • 8. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS
    • 固定装置和图像形成装置
    • US20130142551A1
    • 2013-06-06
    • US13671082
    • 2012-11-07
    • Motoyoshi YAMANOJun OkamotoTetsuo TokudaTakashi SakamakiSatoshi UenoNaoto SuzukiFumihiro Hirose
    • Motoyoshi YAMANOJun OkamotoTetsuo TokudaTakashi SakamakiSatoshi UenoNaoto SuzukiFumihiro Hirose
    • G03G15/20
    • G03G15/2053
    • A fixing device fixes a toner image on a recording medium by heating the recording medium, with a heating area and a non-heating area selected in accordance with a magnetic flux and a repulsive magnetic flux. The fixing device includes a heat generating layer, an exciting coil, and a demagnetizing member. The heat generating layer generates heat. The exciting coil generates the magnetic flux, and thereby inductively heats the heat generating layer. The demagnetizing member faces the heat generating layer in the non-heating area. The demagnetizing member generates the repulsive magnetic flux against the magnetic flux generated by the exciting coil, and thereby demagnetizes the magnetic flux and suppresses the heating. Further, the demagnetizing member has a demagnetization effect different between at least a portion of the non-heating area adjacent to the heating area and the remaining portion of the non-heating area.
    • 定影装置通过加热记录介质,根据磁通量和排斥磁通量选择加热区域和非加热区域,将调色剂图像定影在记录介质上。 固定装置包括发热层,励磁线圈和退磁构件。 发热层产生热量。 励磁线圈产生磁通量,从而感应加热发热层。 退磁构件面向非加热区域中的发热层。 退磁构件产生抵抗由励磁线圈产生的磁通的斥力磁通,从而使磁通消磁,并抑制加热。 此外,退磁构件在与加热区域相邻的非加热区域的至少一部分与非加热区域的剩余部分之间具有不同的退磁效果。
    • 10. 发明授权
    • Belt driving mechanism, fixing device, image forming apparatus using same, and belt position adjustment method used therein
    • 皮带驱动机构,固定装置,使用该装置的图像形成装置及其中使用的皮带位置调整方法
    • US08170435B2
    • 2012-05-01
    • US12640611
    • 2009-12-17
    • Satoshi Ueno
    • Satoshi Ueno
    • G03G15/20
    • G03G15/2064G03G2215/00143G03G2215/2032
    • A belt driving mechanism includes an endless belt wound around first and second belt supporters, rotated by a driving source, a pressure member that presses against the first belt supporter via the endless belt, a deviation detector to detect a deviation of the endless belt in its thrust direction, a cam mechanism including a rotary cam shaft extending the thrust direction of the endless belt and a first pressure change member of irregular shape, and a controller to changes a rotational position of the first pressure change member according to a detection result by the deviation detector. The first pressure change member has multiple different lengths of radii between a center portion of the cam shaft and its outer circumference and is attached to the cam shaft to press a first end portion of one of the first belt supporter and the pressure member.
    • 带驱动机构包括缠绕在第一和第二带支撑件周围的环形带,由驱动源旋转,通过环形带压靠第一带支撑件的压力构件;偏差检测器,用于检测环形带在其中的偏差; 推力方向,包括延伸环形带的推力方向的旋转凸轮轴和不规则形状的第一压力变化构件的凸轮机构,以及根据检测结果改变第一压力变化构件的旋转位置的控制器 偏差检测器 第一压力变化构件在凸轮轴的中心部分和其外周之间具有多个不同长度的半径,并且附接到凸轮轴以按压第一带支撑件和压力构件之一的第一端部。