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1. 发明授权

US09897943B2 Belt unit, transfer unit, and image forming apparatus including a pressing member that presses an edge of a belt 有权
公开(公告)号：US09897943B2
公开(公告)日：2018-02-20
申请号：US14660128
申请日：2015-03-17
申请人： Junpei Fujita , Naohiro Kumagai , Seiichi Kogure , Kazuki Yogosawa , Kenji Sugiura , Yuuji Wada , Yusuke Mitani
发明人： Junpei Fujita , Naohiro Kumagai , Seiichi Kogure , Kazuki Yogosawa , Kenji Sugiura , Yuuji Wada , Yusuke Mitani
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/161 , G03G15/1615
摘要： A belt unit is detachably attachable to a body of an image forming apparatus. The belt unit includes a belt, a pressing member, and a frame. The belt is wound around a plurality of supports to travel in a belt travel direction. The belt includes a base layer and an elastic layer. The pressing member presses warping on an edge of the belt. The frame supports the plurality of supports. The pressing member is positioned on the frame.

2. 发明授权

US09405271B2 Cleaning device and image forming apparatus incorporating same 有权
标题翻译：清洁装置和结合其的图像形成装置
公开(公告)号：US09405271B2
公开(公告)日：2016-08-02
申请号：US14994873
申请日：2016-01-13
申请人： Kazuki Yogosawa , Kenji Sugiura , Naohiro Kumagai , Seiichi Kogure , Junpei Fujita , Yuuji Wada , Yusuke Mitani
发明人： Kazuki Yogosawa , Kenji Sugiura , Naohiro Kumagai , Seiichi Kogure , Junpei Fujita , Yuuji Wada , Yusuke Mitani
IPC分类号： G03G21/00 , G03G21/16 , B41F23/00
CPC分类号： G03G21/169 , B41F23/002 , G03G15/161 , G03G2215/1661 , G03G2221/1618
摘要： A cleaning device includes a cleaner, a plurality of cleaning sub-units, a sub-unit holder, a detachable transmission assembly, and a plurality of joint couplers. The cleaner scrapes off adhered material from a surface of a cleaning target while contacting the surface of the cleaning target. The cleaning sub-units each includes a holder to hold the cleaner and a drive-receive rotator to receive a driving force. The sub-unit holder holds the cleaning sub-units. The detachable transmission assembly includes a driving-force receive rotator to receive a driving force from an external unit and a plurality of drive transmission rotators to transmit the driving force received by the driving-force receive rotator to the drive-receive rotators of the cleaning sub-units. The joint couplers mounted on the drive-receive rotators and the drive transmission rotators couple the drive-receive rotators with the drive transmission rotators in a rotation axial direction.
摘要翻译：清洁装置包括清洁器，多个清洁子单元，子单元保持器，可拆卸传动组件和多个接头联接器。清洁剂在与清洁对象的表面接触的同时从清洁目标的表面刮去附着的材料。清洁子单元各自包括用于保持清洁器的保持器和用于接收驱动力的驱动接收旋转器。子单元保持器保持清洁子单元。可拆卸传动组件包括驱动力接收旋转器，用于接受来自外部单元的驱动力和多个驱动传动旋转器，以将由驱动力接收旋转器接收的驱动力传递到清洁子组件的驱动接收旋转器 -单位。安装在驱动器接收旋转器上的接合联接器和驱动传动旋转器将驱动传递旋转器与驱动传动旋转器沿旋转轴向耦合。

3. 发明授权

US09360807B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09360807B2
公开(公告)日：2016-06-07
申请号：US14802374
申请日：2015-07-17
申请人： Seiichi Kogure , Naohiro Kumagai , Junpei Fujita , Kazuki Yogosawa , Kenji Sugiura , Yuuji Wada , Yusuke Mitani
发明人： Seiichi Kogure , Naohiro Kumagai , Junpei Fujita , Kazuki Yogosawa , Kenji Sugiura , Yuuji Wada , Yusuke Mitani
IPC分类号： G03G15/16
CPC分类号： G03G15/1665 , G03G15/1605 , G03G15/161 , G03G2215/0129
摘要： An image forming apparatus includes an image bearer on which a toner image is formed, an intermediate transfer belt onto which the toner image transferred from the image bearer, a secondary transfer member, a guide assembly, and a biasing device. The secondary transfer member meets the intermediate transfer belt to form a secondary transfer nip in which the toner image is transferred from the intermediate transfer belt onto a recording sheet. The guide assembly disposed upstream from the secondary transfer member in a transport direction of the recording sheet guides the recording sheet at a position lower than the secondary transfer nip such that a leading end of the recording sheet contacts the secondary transfer member before entering the secondary transfer nip. The biasing device biases the secondary transfer member to move the secondary transfer member in one of a direction of bias and a vertical direction.
摘要翻译：图像形成装置包括其上形成调色剂图像的图像载体，从图像承载体转印的调色剂图像的二次转印带，二次转印部件，引导组件和偏置装置。二次转印部件与中间转印带相遇以形成二次转印辊隙，其中调色剂图像从中间转印带转印到记录纸上。在记录纸的输送方向上设置在二次转印部件上游的引导组件将记录纸引导到低于二次转印辊隙的位置，使得记录纸的前端在进入二次转印之前接触二次转印部件掐。偏置装置偏压二次转印构件以使二次转印构件沿偏压方向和垂直方向之一移动。

4. 发明申请

US20150268591A1 BELT UNIT, TRANSFER UNIT, AND IMAGE FORMING APPARATUS 有权
标题翻译：皮带单元，传送单元和图像形成装置
公开(公告)号：US20150268591A1
公开(公告)日：2015-09-24
申请号：US14660128
申请日：2015-03-17
申请人： Junpei FUJITA , Naohiro KUMAGAI , Seiichi KOGURE , Kazuki YOGOSAWA , Kenji SUGIURA , Yuuji WADA , Yusuke MITANI
发明人： Junpei FUJITA , Naohiro KUMAGAI , Seiichi KOGURE , Kazuki YOGOSAWA , Kenji SUGIURA , Yuuji WADA , Yusuke MITANI
IPC分类号： G03G15/16
CPC分类号： G03G15/161 , G03G15/1615
摘要： A belt unit is detachably attachable to a body of an image forming apparatus. The belt unit includes a belt, a pressing member, and a frame. The belt is wound around a plurality of supports to travel in a belt travel direction. The belt includes a base layer and an elastic layer. The pressing member presses warping on an edge of the belt. The frame supports the plurality of supports. The pressing member is positioned on the frame.
摘要翻译：带单元可拆卸地附接到图像形成装置的主体。带单元包括带，按压构件和框架。皮带卷绕在多个支撑件上以在带行进方向上行进。带包括基层和弹性层。按压构件在带的边缘上按压翘曲。框架支撑多个支撑。按压构件定位在框架上。

5. 发明申请

US20150205248A1 CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 有权
标题翻译：清洁装置和成像装置的图像形成装置
公开(公告)号：US20150205248A1
公开(公告)日：2015-07-23
申请号：US14602462
申请日：2015-01-22
申请人： Kazuki YOGOSAWA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI
发明人： Kazuki YOGOSAWA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI
IPC分类号： G03G15/16 , B21B45/02
CPC分类号： G03G21/169 , B41F23/002 , G03G15/161 , G03G2215/1661 , G03G2221/1618
摘要： A cleaning device includes a cleaner, a plurality of cleaning sub-units, a sub-unit holder, a detachable transmission assembly, and a plurality of joint couplers. The cleaner scrapes off adhered material from a surface of a cleaning target while contacting the surface of the cleaning target. The cleaning sub-units each includes a holder to hold the cleaner and a drive-receive rotator to receive a driving force. The sub-unit holder holds the cleaning sub-units. The detachable transmission assembly includes a driving-force receive rotator to receive a driving force from an external unit and a plurality of drive transmission rotators to transmit the driving force received by the driving-force receive rotator to the drive-receive rotators of the cleaning sub-units. The joint couplers mounted on the drive-receive rotators and the drive transmission rotators couple the drive-receive rotators with the drive transmission rotators in a rotation axial direction.
摘要翻译：清洁装置包括清洁器，多个清洁子单元，子单元保持器，可拆卸传动组件和多个接头联接器。清洁剂在与清洁对象的表面接触的同时从清洁目标的表面刮去附着的材料。清洁子单元各自包括用于保持清洁器的保持器和用于接收驱动力的驱动接收旋转器。子单元保持器保持清洁子单元。可拆卸传动组件包括驱动力接收旋转器，用于接收来自外部单元的驱动力和多个驱动传动旋转器，以将由驱动力接收旋转器接收的驱动力传递到清洁子组件的驱动接收旋转器 -单位。安装在驱动器接收旋转器上的接合联接器和驱动传动旋转器将驱动传递旋转器与驱动传动旋转器沿旋转轴向耦合。

6. 发明申请

US20150037054A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150037054A1
公开(公告)日：2015-02-05
申请号：US14449270
申请日：2014-08-01
申请人： Atsushi NAGATA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI , Kazuki YOGOSAWA
发明人： Atsushi NAGATA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI , Kazuki YOGOSAWA
IPC分类号： G03G15/16
CPC分类号： G03G15/1665 , G03G15/5058
摘要： An image forming apparatus includes an image bearer; a toner image forming unit, a transfer unit, a detector, and a controller. The toner image forming unit forms a plurality of types of density detection patterns on the surface of the image bearer in mutually-different positions in a surface-movement direction of the image bearer. The density detection patterns have mutually-different lengths in a direction orthogonal to the surface-movement direction of the image bearer. The transfer unit transfers the density detection patterns onto the surface of the transfer member. The detector detects image densities of the density detection patterns transferred on the surface of the transfer member. The controller calculates an image density difference between the density detection patterns on a basis of a detection result obtained by the detector, and corrects a transfer bias for transferring a toner image on a basis of a value of the image density difference.
摘要翻译：图像形成装置包括图像载体; 调色剂图像形成单元，转印单元，检测器和控制器。调色剂图像形成单元在图像承载体的表面移动方向上的相互不同的位置的图像载体的表面上形成多种类型的浓度检测图案。密度检测图案在与图像载体的表面移动方向正交的方向上具有相互不同的长度。转印单元将浓度检测图案转印到转印部件的表面上。检测器检测在转印部件的表面上转印的浓度检测图案的图像浓度。控制器基于由检测器获得的检测结果来计算浓度检测图案之间的图像浓度差，并且基于图像浓度差的值来校正用于转印调色剂图像的转印偏压。

7. 发明公开

US20240272570A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20240272570A1
公开(公告)日：2024-08-15
申请号：US18566291
申请日：2022-06-16
申请人： Shotaro HOSHI , Yusuke MITANI
发明人： Shotaro HOSHI , Yusuke MITANI
IPC分类号： G03G15/16
CPC分类号： G03G15/168 , G03G15/1675 , G03G2215/1661
摘要： An image forming apparatus includes an image bearer, a transfer member, a cleaning member, and a control unit. The transfer member contacts the image bearer to form a transfer nip and transfer a toner image on the image bearer to a recording medium at the transfer nip. The cleaning member cleans a surface of the image bearer. The control unit executes a cleaning operation of moving an extraneous matter adhering to the transfer member to the image bearer to clean the transfer member. The control unit executes the cleaning operation after a toner image pattern that is not transferred to the recording medium passes through the transfer nip and before the recording medium enters the transfer nip.

8. 发明申请

US20230056875A1 IMAGE FORMING APPARATUS 有权
公开(公告)号：US20230056875A1
公开(公告)日：2023-02-23
申请号：US17866520
申请日：2022-07-17
申请人： Shotaro Hoshi , Yusuke Mitani
发明人： Shotaro Hoshi , Yusuke Mitani
IPC分类号： G03G21/00 , G03G15/16
摘要： An image forming apparatus include an image forming device, an image bearer, a transferrer, a cleaner, and an adhesion amount detector. The image forming device forms, on the image bearer, a toner image to be transferred to a recording medium and a toner image pattern to be input to the cleaner without being transferred to the recording medium. The cleaner cleans the image bearer. The adhesion amount detector detects a toner adhesion amount of the toner image. The toner image pattern is a belt-shaped pattern elongated in an orthogonal direction orthogonal to a traveling direction of the image bearer and having a greater amount of toner input to a portion of the cleaner corresponding to a position of the adhesion amount detector in the orthogonal direction than that input to a portion of the cleaner not corresponding to the position of the adhesion amount detector in the orthogonal direction.

9. 发明授权

US09383691B2 Image forming apparatus including a transfer bias controller 有权
标题翻译：图像形成装置包括转印偏压控制器
公开(公告)号：US09383691B2
公开(公告)日：2016-07-05
申请号：US14742730
申请日：2015-06-18
申请人： Yuuji Wada , Kenji Sugiura , Naohiro Kumagai , Seiichi Kogure , Junpei Fujita , Yusuke Mitani , Kazuki Yogosawa
发明人： Yuuji Wada , Kenji Sugiura , Naohiro Kumagai , Seiichi Kogure , Junpei Fujita , Yusuke Mitani , Kazuki Yogosawa
IPC分类号： G03G15/16
CPC分类号： G03G15/1695 , G03G15/161 , G03G15/1675 , G03G15/168
摘要： An image forming apparatus includes a transfer device to transfer a toner image onto a recording medium with a transfer bias applied thereto, a recording medium conveyor to deliver the recording medium to a transfer region while controlling an alignment of the recording medium having entered the transfer region in alignment control, and a transfer bias controller to obtain a toner adhesion amount information on a post-alignment-control toner image that passes through the transfer region after the recording medium is free from the alignment control, and to reduce, when the toner adhesion amount per unit area is less than a predetermined amount, the transfer bias after the alignment control is released to a level less than that of a transfer bias that is applied when the toner image having a same toner adhesion amount passes through the transfer region before the recording medium is free from the alignment control.
摘要翻译：图像形成装置包括：转印装置，用于将调色剂图像转印到具有转印偏压的记录介质上;记录介质传送器，用于将记录介质输送到转印区域，同时控制进入转印区域的记录介质的排列以及转印偏压控制器，以便在记录介质不受对准控制之后获得通过转印区域的调色剂调色剂图像上的调色剂附着量信息，并且当调色剂附着每单位面积的量小于预定量，则在对准控制之后的转印偏压被释放到低于在具有相同调色剂附着量的调色剂图像通过转印区域之前施加的转印偏压的水平记录介质没有对准控制。

10. 发明申请

US20160124374A1 CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
公开(公告)号：US20160124374A1
公开(公告)日：2016-05-05
申请号：US14994873
申请日：2016-01-13
申请人： Kazuki YOGOSAWA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI
发明人： Kazuki YOGOSAWA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI
IPC分类号： G03G21/00
CPC分类号： G03G21/169 , B41F23/002 , G03G15/161 , G03G2215/1661 , G03G2221/1618
摘要： A cleaning device includes a cleaner, a plurality of cleaning sub-units, a sub-unit holder, a detachable transmission assembly, and a plurality of joint couplers. The cleaner scrapes off adhered material from a surface of a cleaning target while contacting the surface of the cleaning target. The cleaning sub-units each includes a holder to hold the cleaner and a drive-receive rotator to receive a driving force. The sub-unit holder holds the cleaning sub-units. The detachable transmission assembly includes a driving-force receive rotator to receive a driving force from an external unit and a plurality of drive transmission rotators to transmit the driving force received by the driving-force receive rotator to the drive-receive rotators of the cleaning sub-units. The joint couplers mounted on the drive-receive rotators and the drive transmission rotators couple the drive-receive rotators with the drive transmission rotators in a rotation axial direction.

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