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公开(公告)号：US09639024B2
公开(公告)日：2017-05-02
申请号：US15227540
申请日：2016-08-03
Applicant: KYOCERA Document Solutions Inc.
Inventor： Yasuhiro Tauchi , Yukari Ota , Shinji Otani , Takashi Somete , Yoshimi Shimizu
CPC classification number: G03G15/0812 , G03G15/081 , G03G15/0815 , G03G15/09
Abstract: A developing device of the present disclosure includes a developing roller, a toner supplying roller, a regulation blade, a casing, a toner receiver support member, a toner receiver member, and a vibration generator. The toner receiver support member is disposed inside the casing so as to face the developing roller or the toner supplying roller between the regulation blade and an image carrier. The toner receiver member is disposed along a longitudinal direction of the toner receiver support member, and has a toner receiving surface that receives toner falling from the developing roller. The vibration generator vibrates the toner receiver member. At each end part of the toner receiving surface in its longitudinal direction, there is formed a thin-walled portion that is thinner in thickness than other parts of the toner receiving surface.
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2.发明授权Developing roller, developing device, and image forming apparatus including developing device 有权显影辊，显影装置和包括显影装置的图像形成装置公开(公告)号：US09122193B2
公开(公告)日：2015-09-01
申请号：US14571152
申请日：2014-12-15
Applicant: KYOCERA Document Solutions Inc.
Inventor： Yoshinobu Yoneima , Yuji Kamiyama , Akihiro Watanabe , Tamotsu Shimizu , Shizuka Okada , Sakae Saito , Yasuhiro Oishi , Chikara Ishihara , Masashi Fujishima , Yoshimi Shimizu , Yasuhiro Tauchi , Yu Sasaki
CPC classification number: G03G15/0808 , G03G15/0818 , G03G15/09
Abstract: A developing roller includes a roller main body disposed to face, without contact, an outer circumferential surface of an image carrier. A resin coat layer has been formed on an outer circumferential surface of the roller main body, the resin coat layer being made of a resin material having electric conductivity. A product of resistance component Rs [Ω] and electrostatic capacitance component Cs [F] in AC impedance Z of the roller main body is in a range from 2.79×10−7 to 6.77×10−5, the AC impedance Z being obtained when an AC voltage of a predetermined frequency f is applied.
Abstract translation: 显影辊包括辊状主体，其被设置为面对而不接触图像载体的外周表面。 在辊主体的外周面上形成树脂涂层，树脂涂层由具有导电性的树脂材料制成。 辊主体的交流阻抗Z中的电阻分量Rs [＆OHgr]和静电电容分量Cs [F]的乘积在2.79×10-7至6.77×10-5的范围内，获得AC阻抗Z 当施加预定频率f的AC电压时。
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公开(公告)号：US09658570B2
公开(公告)日：2017-05-23
申请号：US15211948
申请日：2016-07-15
Applicant: KYOCERA Document Solutions Inc.
Inventor： Teruhiko Nagashima , Mitsuhiro Goda , Hidenori Takenaka , Takahisa Nakaue , Yoshimi Shimizu
IPC: G03G15/08
CPC classification number: G03G15/0887 , G03G15/0812 , G03G15/0815 , G03G2215/0132 , G03G2215/0838
Abstract: A developing device of the present disclosure includes a developing roller, a toner supply roller, a regulation blade, a casing, a toner receiving support member, a toner receiving member, a vibration generation unit, and a vibration inhibition member. The toner receiving support member is disposed in the casing so as to be opposed to the developing roller or the toner supply roller in an area between the regulation blade and an image carrier. The toner receiving member has a toner receiving surface that receives toner dropping from the developing roller, and is supported so as to be swingable about an end edge thereof on a toner supply roller side as a fulcrum. In a state where the toner receiving member is not vibrating, the vibration inhibition member is in contact with each of both end portions of the toner receiving surface in a longitudinal direction thereof.
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4.发明授权Image forming apparatus having a function to apply charge removal light to photosensitive member 有权具有向感光部件施加电荷去除光的功能的图像形成装置公开(公告)号：US09535356B2
公开(公告)日：2017-01-03
申请号：US14960068
申请日：2015-12-04
Applicant: KYOCERA Document Solutions Inc.
Inventor： Shinji Otani , Norio Kubo , Masashi Fujishima , Koji Suenami , Yoshimi Shimizu , Kenichi Tamaki
CPC classification number: G03G15/0275 , G03G15/09 , G03G15/169 , G03G21/08
Abstract: In the case where development is performed by a two-component developing method, a previous charge removal light-emitting portion applies charge removal light to a first charge removal target region of an effective outer circumferential surface of a photosensitive member on which effective outer circumferential surface an electrostatic latent image can be formed. The first charge removal target region includes a part of a magnetic brush contact region of the effective outer circumferential surface and a region of the effective outer circumferential surface between the magnetic brush contact region and a transfer position of a toner image.
Abstract translation: 在通过双组分显影方法进行显影的情况下，先前的电荷去除发光部分将电荷去除光施加到感光部件的有效外周表面的第一电荷去除目标区域， 可以形成静电潜像。 第一电荷去除目标区域包括有效外周表面的磁刷接触区域的一部分和磁刷接触区域和调色剂图像的转印位置之间的有效外圆周表面的区域。
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公开(公告)号：US10073373B2
公开(公告)日：2018-09-11
申请号：US15646355
申请日：2017-07-11
Applicant: Kyocera Document Solutions Inc.
Inventor： Yoshimi Shimizu , Yukari Ota
IPC: G03G15/06
CPC classification number: G03G15/065 , G03G15/5058 , G03G2215/0164
Abstract: An image forming apparatus includes a photoreceptor, an exposure unit, a developing unit, and a control unit. The control unit sets the toner-layer-forming electric potential difference lower than an electric potential when forming the image on the print medium, forms a combined patch for calibration by the set toner-layer-forming electric potential difference for calibration, so as to adjust the developing-bias potential by measuring a print density of the formed combined patch. The combined patch includes a first patch and a plurality of second patches. The plurality of second patches have a width within a range of 0.2 mm to the predetermined value in the peripheral-velocity direction of the photoreceptor, extend with a length equal to or more than the predetermined value in the rotation-shaft direction of the photoreceptor, and are arranged at a predetermined interval in the peripheral-velocity direction of the photoreceptor.
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Patent Agency Ranking
公开(公告)号：US20180011417A1
公开(公告)日：2018-01-11
申请号：US15646355
申请日：2017-07-11
Applicant: Kyocera Document Solutions Inc.
Inventor： Yoshimi Shimizu , Yukari Ota
IPC: G03G15/06
CPC classification number: G03G15/065 , G03G15/5058 , G03G2215/0164
Abstract: An image forming apparatus includes a photoreceptor, an exposure unit, a developing unit, and a control unit. The control unit sets the toner-layer-forming electric potential difference lower than an electric potential when forming the image on the print medium, forms a combined patch for calibration by the set toner-layer-forming electric potential difference for calibration, so as to adjust the developing-bias potential by measuring a print density of the formed combined patch. The combined patch includes a first patch and a plurality of second patches. The plurality of second patches have a width within a range of 0.2 mm to the predetermined value in the peripheral-velocity direction of the photoreceptor, extend with a length equal to or more than the predetermined value in the rotation-shaft direction of the photoreceptor, and are arranged at a predetermined interval in the peripheral-velocity direction of the photoreceptor.
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公开(公告)号：US09665037B2
公开(公告)日：2017-05-30
申请号：US15228791
申请日：2016-08-04
Applicant: KYOCERA Document Solutions Inc.
Inventor： Shinji Otani , Yukari Ota , Yasuhiro Tauchi , Takashi Somete , Yoshimi Shimizu
IPC: G03G15/08
CPC classification number: G03G15/081 , G03G15/0812 , G03G15/0815 , G03G15/09
Abstract: A developing device includes a developing roller, a toner supplying roller, a regulation blade, a casing, a toner receiver support member, a toner receiver member, and a vibration generator. The toner receiver member is disposed along a longitudinal direction of the toner receiver support member facing the developing roller, and has a toner receiving surface inclined downward from the image-carrier side toward the toner-supplying-roller side. The toner receiving surface is disposed to be inclined so as to rise from the toner-supplying-roller side toward the image-carrier side. The toner receiving surface has a plurality of grooves formed therein to be inclined to approach a center part of the toner receiving surface from each end side of the toner receiving surface in its longitudinal direction, from an edge of the toner receiving surface on the image-carrier side toward an edge of the toner receiving surface on the toner-supplying-roller side.
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公开(公告)号：US08971767B2
公开(公告)日：2015-03-03
申请号：US13939724
申请日：2013-07-11
Applicant: KYOCERA Document Solutions Inc.
Inventor： Ai Takagami , Takahiko Murata , Yoshimi Shimizu , Maki Ike , Kanako Morimoto
CPC classification number: G03G15/0233 , G03G15/1685
Abstract: A charge applying member includes a conductive roller and a shaft. The conductive roller includes a first region in contact with a member to be charged and facing an image forming region of the member to be charged and a second region next to a longitudinal end of the first region and facing a region of the member to be charged outside the image forming region and is configured to apply a charge to the member to be charged. The shaft formed of a metallic material inserted into the conductive roller and configured to be given a voltage from a power supply. A region plated with a metal having a lower ionization tendency than the shaft is formed as a plated region on a surface portion of the shaft corresponding to the first and second regions and a non-plated region is formed on a surface portion of the shaft corresponding to the second region.
Abstract translation: 电荷施加部件包括导电辊和轴。 导电辊包括与待充电构件接触的第一区域，并且面对要被充电的构件的图像形成区域，以及邻近第一区域的纵向端部的第二区域，并面向待充电构件的区域 在图像形成区域外部，并且被配置为向要充电的构件施加电荷。 所述轴由插入到导电辊中的金属材料形成，并被配置为从电源给予电压。 在与第一和第二区域对应的轴的表面部分上形成电镀有比电离电位低的金属的区域作为电镀区域，并且在轴的表面部分上形成非电镀区域 到第二个地区。
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公开(公告)号：US20140023397A1
公开(公告)日：2014-01-23
申请号：US13939724
申请日：2013-07-11
Applicant: KYOCERA Document Solutions Inc.
Inventor： Ai Takagami , Takahiko Murata , Yoshimi Shimizu , Maki Ike , Kanako Morimoto
CPC classification number: G03G15/0233 , G03G15/1685
Abstract: A charge applying member includes a conductive roller and a shaft. The conductive roller includes a first region in contact with a member to be charged and facing an image forming region of the member to be charged and a second region next to a longitudinal end of the first region and facing a region of the member to be charged outside the image forming region and is configured to apply a charge to the member to be charged. The shaft formed of a metallic material inserted into the conductive roller and configured to be given a voltage from a power supply. A region plated with a metal having a lower ionization tendency than the shaft is formed as a plated region on a surface portion of the shaft corresponding to the first and second regions and a non-plated region is formed on a surface portion of the shaft corresponding to the second region.
Abstract translation: 电荷施加部件包括导电辊和轴。 导电辊包括与待充电构件接触的第一区域，并且面对要被充电的构件的图像形成区域，以及邻近第一区域的纵向端部的第二区域，并面向待充电构件的区域 在图像形成区域外部，并且被配置为向要充电的构件施加电荷。 所述轴由插入到导电辊中的金属材料形成，并被配置为从电源给予电压。 在与第一和第二区域对应的轴的表面部分上形成电镀有比电离电位低的金属的区域作为电镀区域，并且在轴的表面部分上形成非电镀区域 到第二个地区。
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公开(公告)号：US20160161879A1
公开(公告)日：2016-06-09
申请号：US14960068
申请日：2015-12-04
Applicant: KYOCERA Document Solutions Inc.
Inventor： Shinji Otani , Norio Kubo , Masashi Fujishima , Koji Suenami , Yoshimi Shimizu , Kenichi Tamaki
IPC: G03G21/00
CPC classification number: G03G15/0275 , G03G15/09 , G03G15/169 , G03G21/08
Abstract: In the case where development is performed by a two-component developing method, a previous charge removal light-emitting portion applies charge removal light to a first charge removal target region of an effective outer circumferential surface of a photosensitive member on which effective outer circumferential surface an electrostatic latent image can be formed. The first charge removal target region includes a part of a magnetic brush contact region of the effective outer circumferential surface and a region of the effective outer circumferential surface between the magnetic brush contact region and a transfer position of a toner image.
Abstract translation: 在通过双组分显影方法进行显影的情况下，先前的电荷去除发光部分将电荷去除光施加到感光部件的有效外周表面的第一电荷去除目标区域， 可以形成静电潜像。 第一电荷去除目标区域包括有效外周表面的磁刷接触区域的一部分和磁刷接触区域和调色剂图像的转印位置之间的有效外圆周表面的区域。
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