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公开(公告)号：US20180157209A1
公开(公告)日：2018-06-07
申请号：US15831566
申请日：2017-12-05
申请人： Junpei Fujita , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi , Takehide Mizutani , Naoto Kochi
发明人： Junpei Fujita , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi , Takehide Mizutani , Naoto Kochi
IPC分类号： G03G15/16
CPC分类号： G03G21/0094 , G03G15/161 , G03G15/1675 , G03G15/5008 , G03G21/0011 , G03G2215/00059
摘要： A transfer device includes an image bearer, a rotatable body, a solid lubricant assembly, and a guide. An image bearer bears an image. The rotatable body forms a transfer nip with the image bearer to rotate in contact with a recording medium. An image on the image bearer is transferred onto the recording medium at the transfer nip. The solid lubricant assembly includes a solid lubricant and extends in a longitudinal direction of the rotatable body. The solid lubricant assembly applies a solid lubricant to at least one of the rotatable body and the image bearer. The guide guides the recording medium and positions the solid lubricant assembly.
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公开(公告)号：US10114331B2
公开(公告)日：2018-10-30
申请号：US15831566
申请日：2017-12-05
申请人： Junpei Fujita , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi , Takehide Mizutani , Naoto Kochi
发明人： Junpei Fujita , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi , Takehide Mizutani , Naoto Kochi
摘要： A transfer device includes an image bearer, a rotatable body, a solid lubricant assembly, and a guide. An image bearer bears an image. The rotatable body forms a transfer nip with the image bearer to rotate in contact with a recording medium. An image on the image bearer is transferred onto the recording medium at the transfer nip. The solid lubricant assembly includes a solid lubricant and extends in a longitudinal direction of the rotatable body. The solid lubricant assembly applies a solid lubricant to at least one of the rotatable body and the image bearer. The guide guides the recording medium and positions the solid lubricant assembly.
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公开(公告)号：US20180143570A1
公开(公告)日：2018-05-24
申请号：US15801858
申请日：2017-11-02
申请人： Takehide MIZUTANI , Naoto Kochi , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi
发明人： Takehide MIZUTANI , Naoto Kochi , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi
IPC分类号： G03G15/00
CPC分类号： G03G15/161 , G03G15/50 , G03G15/556 , G03G2215/1661
摘要： An image forming apparatus includes a developing device, an image bearer, a transfer rotator, a blade contacting a surface of the transfer rotator, and a controller to control the developing device, the image bearer, and the transfer rotator. A first toner pattern image is formed on the image bearer, transferred onto the transfer rotator, and passed past the blade at least twice together with rotation of the transfer rotator in at start-up of the image forming apparatus. A second toner pattern image is formed on the image bearer after the start-up and during passage of a non-image area in which toner images are not formed. A range of the first toner pattern image is wider than a range of the second toner pattern image in a width direction perpendicular to a direction of travel of the image bearer.
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公开(公告)号：US10191415B2
公开(公告)日：2019-01-29
申请号：US15801858
申请日：2017-11-02
申请人： Takehide Mizutani , Naoto Kochi , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi
发明人： Takehide Mizutani , Naoto Kochi , Katsuhito Haruno , Atsushi Nakamoto , Masakazu Imai , Osamu Ichihashi
摘要： An image forming apparatus includes a developing device, an image bearer, a transfer rotator, a blade contacting a surface of the transfer rotator, and a controller to control the developing device, the image bearer, and the transfer rotator. A first toner pattern image is formed on the image bearer, transferred onto the transfer rotator, and passed past the blade at least twice together with rotation of the transfer rotator in at start-up of the image forming apparatus. A second toner pattern image is formed on the image bearer after the start-up and during passage of a non-image area in which toner images are not formed. A range of the first toner pattern image is wider than a range of the second toner pattern image in a width direction perpendicular to a direction of travel of the image bearer.
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公开(公告)号：US09778603B2
公开(公告)日：2017-10-03
申请号：US15191463
申请日：2016-06-23
IPC分类号： G03G15/16
CPC分类号： G03G15/1665 , G03G15/1605 , G03G2215/00447 , G03G2215/00738 , G03G2215/00751 , G03G2215/0129
摘要： A transfer device includes an image bearer and a transfer rotator. The transfer device further includes an adjuster including a rotatable cam and an opposed member opposed to the cam. The cam alternately contacts and separates the transfer rotator against and from the image bearer, having a continuous sloped surface with a plurality of positions, each position to contact the opposed member to obtain a different amount of separation between the image bearer and the transfer rotator. The transfer device further includes a controller to control the adjuster to adjust the amount of separation between the transfer rotator and the image bearer according to thickness or type of the recording medium when the recording medium starts to enter the transfer nip.
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公开(公告)号：US10234794B2
公开(公告)日：2019-03-19
申请号：US15370301
申请日：2016-12-06
IPC分类号： G03G15/16
摘要： A roller member includes a cored bar, an elastic layer, and a non-conductive member. The elastic layer is disposed on an outer circumferential face of the cored bar. The cored bar has a projecting portion projecting beyond a range in which the elastic layer is disposed, toward an axial end of the cored bar. The non-conductive member is made of a non-conductive material. The non-conductive member is disposed on the projecting portion. The non-conductive member bites into an end face of an axial end of the elastic layer.
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公开(公告)号：US09897946B2
公开(公告)日：2018-02-20
申请号：US15374167
申请日：2016-12-09
申请人： Masakazu Imai , Masaharu Furuya , Tsutomu Kato , Katsuhito Haruno , Osamu Ichihashi , Tatsuya Ohsugi
发明人： Masakazu Imai , Masaharu Furuya , Tsutomu Kato , Katsuhito Haruno , Osamu Ichihashi , Tatsuya Ohsugi
CPC分类号： G03G15/162 , G03G15/1685
摘要： A roller member includes a cored bar, an elastic layer, a first high resistance member, and a second high resistance member. The elastic layer is disposed on an outer circumferential face of the cored bar. The cored bar has a projecting portion projecting beyond a range in which the elastic layer is disposed, toward an axial end of the cored bar. The first high resistance member is made of a high-resistance material having a higher electrical resistance than an electrical resistance of the cored bar. The first high resistance member is fitted to the projecting portion. The second high resistance member is made of a high-resistance material having a higher electrical resistance than an electrical resistance of the cored bar. The second high resistance member fills a space between the first high resistance member and the elastic layer.
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公开(公告)号：US20170010566A1
公开(公告)日：2017-01-12
申请号：US15191463
申请日：2016-06-23
IPC分类号： G03G15/16
CPC分类号： G03G15/1665 , G03G15/1605 , G03G2215/00447 , G03G2215/00738 , G03G2215/00751 , G03G2215/0129
摘要： A transfer device includes an image bearer and a transfer rotator. The transfer device further includes an adjuster including a rotatable cam and an opposed member opposed to the cam. The cam alternately contacts and separates the transfer rotator against and from the image bearer, having a continuous sloped surface with a plurality of positions, each position to contact the opposed member to obtain a different amount of separation between the image bearer and the transfer rotator. The transfer device further includes a controller to control the adjuster to adjust the amount of separation between the transfer rotator and the image bearer according to thickness or type of the recording medium when the recording medium starts to enter the transfer nip.
摘要翻译： 传送设备包括图像承载和传送旋转器。 传送装置还包括一个包括可旋转凸轮和与该凸轮相对的相对构件的调节器。 凸轮交替地将传送旋转体与图像承载体接触并分离，具有具有多个位置的连续倾斜表面，每个位置接触相对构件，以获得图像承载体与转印旋转体之间的不同的间隔量。 传送装置还包括控制器，用于控制调节器，以便当记录介质开始进入转印辊隙时根据记录介质的厚度或类型来调节转印旋转器和图像承载件之间的间隔量。
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公开(公告)号：US20100067952A1
公开(公告)日：2010-03-18
申请号：US12560796
申请日：2009-09-16
申请人： Junpei FUJITA , Toshitaka Yamaguchi , Ryoh Tanoue , Masaharu Furuya , Takuya Sekine , Katsuhito Haruno
发明人： Junpei FUJITA , Toshitaka Yamaguchi , Ryoh Tanoue , Masaharu Furuya , Takuya Sekine , Katsuhito Haruno
CPC分类号： G03G15/1605 , G03G15/6564 , G03G15/657 , G03G2215/00565 , G03G2215/1666
摘要： An image forming apparatus includes a toner image carrying member, an image transfer device, a fixing device, a registration unit, a guide member, an upstream-side transportation unit, and a downstream-side transportation unit. The image transfer device transfers a toner image from the toner image carrying member to a recording medium. The fixing device fixes the toner image. The registration unit transports the recording medium. The guide member guides the recording medium. The upstream-side transportation unit includes an upstream-side transportation member, disposed at an upstream side in the transport direction of the recording medium. The downstream-side transportation unit includes the downstream-side transportation member, disposed at a downstream side in the transport direction of the recording medium. The upstream-side transportation unit includes an upstream-side positioning member to position the guide member to the upstream-side transportation member. The downstream-side transportation unit includes a downstream-side positioning member to position the guide member to the downstream-side transportation member.
摘要翻译： 图像形成装置包括调色剂图像承载构件，图像转印装置，定影装置，配准单元，引导构件，上游侧输送单元和下游侧输送单元。 图像转印装置将调色剂图像从调色剂图像承载构件转印到记录介质。 定影装置固定调色剂图像。 记录单元传送记录介质。 引导构件引导记录介质。 上游侧输送单元包括设置在记录介质输送方向的上游侧的上游侧输送部件。 下游侧输送单元包括设置在记录介质输送方向的下游侧的下游侧输送部件。 上游侧输送单元包括将引导构件定位到上游侧输送构件的上游侧定位构件。 下游侧输送单元包括将引导构件定位到下游侧输送构件的下游侧定位构件。
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公开(公告)号：US08270875B2
公开(公告)日：2012-09-18
申请号：US12560796
申请日：2009-09-16
申请人： Junpei Fujita , Toshitaka Yamaguchi , Ryoh Tanoue , Masaharu Furuya , Takuya Sekine , Katsuhito Haruno
发明人： Junpei Fujita , Toshitaka Yamaguchi , Ryoh Tanoue , Masaharu Furuya , Takuya Sekine , Katsuhito Haruno
IPC分类号： G03G21/00
CPC分类号： G03G15/1605 , G03G15/6564 , G03G15/657 , G03G2215/00565 , G03G2215/1666
摘要： An image forming apparatus includes a toner image carrying member, an image transfer device, a fixing device, a registration unit, a guide member, an upstream-side transportation unit, and a downstream-side transportation unit. The image transfer device transfers a toner image from the toner image carrying member to a recording medium. The fixing device fixes the toner image. The registration unit transports the recording medium. The guide member guides the recording medium. The upstream-side transportation unit includes an upstream-side transportation member, disposed at an upstream side in the transport direction of the recording medium. The downstream-side transportation unit includes the downstream-side transportation member, disposed at a downstream side in the transport direction of the recording medium. The upstream-side transportation unit includes an upstream-side positioning member to position the guide member to the upstream-side transportation member. The downstream-side transportation unit includes a downstream-side positioning member to position the guide member to the downstream-side transportation member.
摘要翻译： 图像形成装置包括调色剂图像承载构件，图像转印装置，定影装置，配准单元，引导构件，上游侧输送单元和下游侧输送单元。 图像转印装置将调色剂图像从调色剂图像承载构件转印到记录介质。 定影装置固定调色剂图像。 记录单元传送记录介质。 引导构件引导记录介质。 上游侧输送单元包括设置在记录介质输送方向的上游侧的上游侧输送部件。 下游侧输送单元包括设置在记录介质输送方向的下游侧的下游侧输送部件。 上游侧输送单元包括将引导构件定位到上游侧输送构件的上游侧定位构件。 下游侧输送单元包括将引导构件定位到下游侧输送构件的下游侧定位构件。
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