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公开(公告)号：US08548345B2
公开(公告)日：2013-10-01
申请号：US13861110
申请日：2013-04-11
IPC分类号： G03G15/16
CPC分类号： G03G15/163 , G03G5/082 , G03G15/161 , G03G15/2032 , G03G2215/00738
摘要： A secondary transfer facing roller includes a roller part that has a through-hole penetrating in a rotary shaft line direction at a rotation center position, and a penetrating shaft member penetrating the through-hole of the roller part and spinning the roller part on a surface of the penetrating shaft member. Eccentric cams are fixed to both end regions that are not located in the roller part, so as to rotate integrally with the penetrating shaft member. A position regulating cam and an abutting roller form a gap between the intermediate transfer belt and the secondary transfer roller immediately before a transfer sheet enters a transfer nip part. While the gap is formed, current flows between the intermediate transfer belt and the secondary transfer roller via the position regulating cam and the abutting roller.
摘要翻译： 二次转印辊包括：滚子部，其具有在旋转中心位置沿旋转轴线方向贯通的贯通孔，以及穿透辊部件的贯通孔的贯穿轴构件，并将辊部分在表面上旋转 的穿透轴构件。 偏心凸轮固定到不位于辊部分中的两个端部区域，以便与穿透轴构件一体旋转。 位置调节凸轮和邻接辊在转印纸进入转印辊隙部分之前形成中间转印带和二次转印辊之间的间隙。 当形成间隙时，电流经由位置调节凸轮和邻接辊在中间转印带和二次转印辊之间流动。
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公开(公告)号：US20130223901A1
公开(公告)日：2013-08-29
申请号：US13861110
申请日：2013-04-11
IPC分类号： G03G15/16
CPC分类号： G03G15/163 , G03G5/082 , G03G15/161 , G03G15/2032 , G03G2215/00738
摘要： A secondary transfer facing roller includes a roller part that has a through-hole penetrating in a rotary shaft line direction at a rotation center position, and a penetrating shaft member penetrating the through-hole of the roller part and spinning the roller part on a surface of the penetrating shaft member. Eccentric cams are fixed to both end regions that are not located in the roller part, so as to rotate integrally with the penetrating shaft member. A position regulating cam and an abutting roller form a gap between the intermediate transfer belt and the secondary transfer roller immediately before a transfer sheet enters a transfer nip part. While the gap is formed, current flows between the intermediate transfer belt and the secondary transfer roller via the position regulating cam and the abutting roller.
摘要翻译： 二次转印辊包括：滚子部，其具有在旋转中心位置沿旋转轴线方向贯通的贯通孔，以及穿透辊部件的贯通孔的贯穿轴构件，并将辊部分在表面上旋转 的穿透轴构件。 偏心凸轮固定到不位于辊部分中的两个端部区域，以便与穿透轴构件一体旋转。 位置调节凸轮和邻接辊在转印纸进入转印辊隙部分之前形成中间转印带和二次转印辊之间的间隙。 当形成间隙时，电流经由位置调节凸轮和邻接辊在中间转印带和二次转印辊之间流动。
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公开(公告)号：US08433221B2
公开(公告)日：2013-04-30
申请号：US12628649
申请日：2009-12-01
IPC分类号： G03G15/08
CPC分类号： G03G15/163 , G03G5/082 , G03G15/161 , G03G15/2032 , G03G2215/00738
摘要： A secondary transfer facing roller includes a roller part that has a through-hole penetrating in a rotary shaft line direction at a rotation center position, and a penetrating shaft member penetrating the through-hole of the roller part and spinning the roller part on a surface of the penetrating shaft member. Eccentric cams are fixed to both end regions that are not located in the roller part, so as to rotate integrally with the penetrating shaft member. A position regulating cam and an abutting roller form a gap between the intermediate transfer belt and the secondary transfer roller immediately before a transfer sheet enters a transfer nip part. While the gap is formed, current flows between the intermediate transfer belt and the secondary transfer roller via the position regulating cam and the abutting roller.
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公开(公告)号：US20100142985A1
公开(公告)日：2010-06-10
申请号：US12628649
申请日：2009-12-01
IPC分类号： G03G15/16
CPC分类号： G03G15/163 , G03G5/082 , G03G15/161 , G03G15/2032 , G03G2215/00738
摘要： A secondary transfer facing roller includes a roller part that has a through-hole penetrating in a rotary shaft line direction at a rotation center position, and a penetrating shaft member penetrating the through-hole of the roller part and spinning the roller part on a surface of the penetrating shaft member. Eccentric cams are fixed to both end regions that are not located in the roller part, so as to rotate integrally with the penetrating shaft member. A position regulating cam and an abutting roller form a gap between the intermediate transfer belt and the secondary transfer roller immediately before a transfer sheet enters a transfer nip part. While the gap is formed, current flows between the intermediate transfer belt and the secondary transfer roller via the position regulating cam and the abutting roller.
摘要翻译： 二次转印辊包括：滚子部，其具有在旋转中心位置沿旋转轴线方向贯通的贯通孔，以及穿透辊部件的贯通孔的贯穿轴构件，并将辊部分在表面上旋转 的穿透轴构件。 偏心凸轮固定到不位于辊部分中的两个端部区域，以便与穿透轴构件一体旋转。 位置调节凸轮和邻接辊在转印纸进入转印辊隙部分之前形成中间转印带和二次转印辊之间的间隙。 当形成间隙时，电流经由位置调节凸轮和邻接辊在中间转印带和二次转印辊之间流动。
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公开(公告)号：US08483597B2
公开(公告)日：2013-07-09
申请号：US12974655
申请日：2010-12-21
申请人： Ryuuichi Mimbu , Kenji Sengoku , Junpei Fujita , Osamu Ichihashi
发明人： Ryuuichi Mimbu , Kenji Sengoku , Junpei Fujita , Osamu Ichihashi
IPC分类号： G03G15/08
CPC分类号： G03G15/167 , G03G15/1605
摘要： A transfer assembly includes a counter member having a contact face, an engagement/disengagement unit to engage and disengage the image carrying face of image carrying member and the contact face of counter member using a cam, a pressure device to apply force to a transfer nip between the image carrying face and contact face, and a recording medium feed device to feed the recording medium to the transfer nip. When the cam is at a first rotation position, the image carrying face and contact face are separated, and when the cam is at a second rotation position, the image carrying face and contact face contact. Before the recording medium enters the transfer nip, the cam rotates from the first rotation position toward the second rotation position. After the recording medium enters the transfer nip, the cam is at the second rotation position to press the image carrying face with the contact face.
摘要翻译： 传送组件包括具有接触面的对置构件，接合/分离单元，用于使用凸轮接合和分离图像承载构件的图像承载面和相对构件的接触面;压力装置，用于向转印压区施加力 在图像承载面和接触面之间，以及记录介质供给装置，用于将记录介质输送到转印辊隙。 当凸轮处于第一旋转位置时，图像承载面和接触面被分离，并且当凸轮处于第二旋转位置时，图像承载面和接触面接触。 在记录介质进入转印辊隙之前，凸轮从第一旋转位置转动到第二旋转位置。 在记录介质进入转印辊隙之后，凸轮处于第二旋转位置，以用接触面按压图像承载面。
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公开(公告)号：US08447198B2
公开(公告)日：2013-05-21
申请号：US13033302
申请日：2011-02-23
申请人： Junpei Fujita , Ryuuichi Mimbu , Kenji Sengoku , Osamu Ichihashi
发明人： Junpei Fujita , Ryuuichi Mimbu , Kenji Sengoku , Osamu Ichihashi
CPC分类号： G03G15/50 , G03G15/0136 , G03G15/1615 , G03G2215/0129 , G03G2215/0161
摘要： An image forming apparatus includes an endless intermediate transfer belt rotatably stretched over a plurality of rollers, and a detector to read a pattern on the intermediate transfer belt. One of the rollers includes a first portion disposed opposite an area on the intermediate transfer belt including a pattern passing position, and a second portion not including a pattern passing position. The first portion has a diameter smaller than that of the second portion thereof, and an elastic material is superimposed on the second portion only. The detector is disposed between a second roller disposed upstream of the first roller and a third roller disposed downstream of the first roller, and opposite the intermediate transfer belt.
摘要翻译： 图像形成装置包括可旋转地延伸在多个辊上的环形中间转印带，以及读取中间转印带上的图案的检测器。 其中一个辊包括与包括图案通过位置的中间转印带上的区域相对设置的第一部分和不包括图案通过位置的第二部分。 第一部分的直径小于其第二部分的直径，弹性材料仅重叠在第二部分上。 检测器设置在设置在第一辊的上游的第二辊和设置在第一辊的下游并与中间转印带相对的第三辊之间。
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公开(公告)号：US08831466B2
公开(公告)日：2014-09-09
申请号：US13369805
申请日：2012-02-09
申请人： Junpei Fujita , Ryuuichi Mimbu , Kenji Sengoku , Osamu Ichihashi
发明人： Junpei Fujita , Ryuuichi Mimbu , Kenji Sengoku , Osamu Ichihashi
CPC分类号： G03G15/161 , G03G15/0189 , G03G15/162 , G03G2215/0129
摘要： An image forming apparatus includes a plurality of image bearing members to bear a toner image on a surface thereof, a transfer device including a plurality of transfer members and an endless belt formed into a loop and entrained around the transfer members, to transfer the toner images from the image bearing members onto the surface of the belt so that the toner images are superimposed one atop the other on the belt to form a composite toner image, a plurality of cleaning devices including a cleaning blade to remove residual toner remaining on the image bearing members after transfer of the toner images onto the belt, and a plurality of heaters disposed inside the loop formed by the belt. Each of the heaters is disposed between adjacent image bearing members. The belt is interposed between the plurality of heaters and the plurality of image bearing members.
摘要翻译： 图像形成装置包括：多个图像承载部件，用于在其表面上承载调色剂图像;传送装置，包括多个传送部件和环形带，其形成为环状并夹带在传送部件周围，以便传送调色剂图像 从图像承载部件移动到带的表面上，使得调色剂图像彼此叠加在带上以形成复合调色剂图像，多个清洁装置包括清洁刮板以除去保留在图像承载上的残留调色剂 将调色剂图像转印到带上的部件，以及设置在由带形成的环内的多个加热器。 每个加热器设置在相邻的图像承载部件之间。 皮带介于多个加热器和多个图像承载部件之间。
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公开(公告)号：US08737865B2
公开(公告)日：2014-05-27
申请号：US13957993
申请日：2013-08-02
申请人： Osamu Ichihashi , Ryuuichi Mimbu , Kenji Sengoku , Junpei Fujita
发明人： Osamu Ichihashi , Ryuuichi Mimbu , Kenji Sengoku , Junpei Fujita
IPC分类号： G03G15/00
CPC分类号： G03G15/1665 , G03G15/167 , G03G2215/0129 , G03G2215/0193
摘要： An image forming apparatus includes a contact member supplied with voltage by a voltage application device, to contact an object; a rotary member rotatable about a rotation fulcrum shaft fixed to an image forming apparatus, to support the contact member; an biasing member to urge the rotary member to press the contact member against the object; a rotary conductive member fixed to the rotary member and connected electrically to the contact member; a main body side conductive member fixed to the rotation fulcrum shaft at the main body side and connected electrically to the voltage application device; and a conductive connector provided along the rotation fulcrum shaft to contact the rotary conductive member in an axial direction to connect electrically the main body side conductive member and the rotary conductive member. A contact of the conductive connector and a contact of the rotary conductive member are unfixed.
摘要翻译： 图像形成装置包括由电压施加装置供给电压的接触构件，以接触物体; 旋转构件，可绕固定到图像形成装置的旋转支点轴旋转，以支撑所述接触构件; 偏压构件，其推动所述旋转构件将所述接触构件压靠在所述物体上; 旋转导电构件，其固定到所述旋转构件并且电连接到所述接触构件; 主体侧导电构件，其固定在主体侧的旋转支点轴上，并与电压施加装置电连接; 以及沿着旋转支点轴设置的导电连接器，以沿轴向接触旋转导电构件，以将主体侧导电构件和旋转导电构件电连接。 导电连接器和旋转导电构件的触点的接触不固定。
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公开(公告)号：US08718500B2
公开(公告)日：2014-05-06
申请号：US12708983
申请日：2010-02-19
申请人： Ryuichi Minbu , Kenji Sengoku , Junpei Fujita , Osamu Ichihashi
发明人： Ryuichi Minbu , Kenji Sengoku , Junpei Fujita , Osamu Ichihashi
IPC分类号： G03G15/16
CPC分类号： G03G15/0131 , G03G15/161
摘要： To provide an image forming apparatus capable of increasing the life of a rotating cam while preventing the occurrence of a shock jitter and transfer failure. The image forming apparatus is configured to execute a forced movement process for rotating the rotating cam to forcibly move a secondary transfer roller against a biasing force of a bias coil spring at a pre-entry timing prior to the entry of the front edge of a recording sheet into a secondary transfer position, and a pressure intensifying process for rotating the rotating cam to increase transfer pressure at a timing immediately after the entry of the front edge of the recording sheet into the secondary transfer position. As the forced movement process, the image forming apparatus executes, alternately, a first forced movement process for normally driving and rotating the rotating cam, and a second forced movement process for inversely driving and rotating the rotating cam, at a predetermined timing.
摘要翻译： 提供能够在防止发生震动抖动和转印失败的同时延长旋转凸轮的寿命的图像形成装置。 图像形成装置被配置为执行强制移动处理，用于使旋转凸轮旋转，以抵抗偏置螺旋弹簧的偏置力强迫移动二次转印辊，在进入记录的前边缘之前的预录入时刻 以及用于使旋转凸轮旋转以在紧接在记录纸的前边缘进入二次转印位置之后的定时增加转印压力的增压过程。 作为强制移动处理，图像形成装置交替地执行用于正常地驱动和旋转旋转凸轮的第一强制移动处理和用于在预定定时反转驱动和旋转旋转凸轮的第二强制移动处理。
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公开(公告)号：US20120237260A1
公开(公告)日：2012-09-20
申请号：US13415170
申请日：2012-03-08
申请人： Kenji SENGOKU , Ryuuichi Mimbu , Junpei Fujita , Osamu Ichihashi
发明人： Kenji SENGOKU , Ryuuichi Mimbu , Junpei Fujita , Osamu Ichihashi
CPC分类号： G03G15/161 , G03G15/1615 , G03G2215/0129 , G03G2215/0193 , G03G2215/1661
摘要： An image forming apparatus includes: a belt unit that includes a belt-shaped image carrier stretched around and driven to rotate by a plurality of rollers; a belt tensioning unit that includes a tensioning member that is brought into contact with an image carrying surface of the belt-shaped image carrier and applies tension to the belt-shaped image carrier; and a cleaning unit that includes a cleaning member that is brought into contact with the image carrying surface of the belt-shaped image carrier and cleans the image carrying surface. The cleaning unit is supported by the belt tensioning unit in an attachable and detachable manner.
摘要翻译： 图像形成装置包括：带单元，其包括被多个辊延伸并被多个辊旋转的带状图像载体; 带张紧单元，其包括与带状图像载体的图像承载表面接触并且向带状图像载体施加张力的张紧构件; 以及清洁单元，其包括与带状图像载体的图像承载表面接触并清洁图像承载表面的清洁构件。 清洁单元由皮带张紧单元以可附接和可拆卸的方式支撑。
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