公开(公告)号：US07440718B2

公开(公告)日：2008-10-21

申请号：US11275729

申请日：2006-01-26

申请人： Kazunari Hagiwara ,  Kenya Ogawa ,  Shuji Moriya ,  Naoto Kichijima ,  Yasushi Shimizu ,  Koichi Okuda

发明人： Kazunari Hagiwara ,  Kenya Ogawa ,  Shuji Moriya ,  Naoto Kichijima ,  Yasushi Shimizu ,  Koichi Okuda

IPC分类号： G03G15/09

CPC分类号： G03G15/0812 ,  G03G15/0914 ,  G03G2215/0634

摘要： A developing apparatus having a developing sleeve provided with an elastic layer on its surface, and for developing an electrostatic image formed on an image bearing member with a mono-component magnetic toner having a mean degree of circularity of 0.965 or greater, a magnet provided in the developing sleeve, and a blade for regulating the amount of the developer carried on the developing sleeve satisfies the expressions |Br|/|B|≧0.5 and Nsb/(Bs×R)≦0.5, where B (G) is magnetic flux density formed on the surface of the developing sleeve by the magnet at the contact position between the blade and the developing sleeve, Nsb (mm) is the contact width between the blade and the developing sleeve, Br (G) is a component of magnetic flux density B (G) in a direction perpendicular to the surface of the developing sleeve, Bs (rad) is a half value width of the perpendicular component of the magnetic flux density of the nearest one of the magnetic poles of the magnet to the contact position on the surface of the developing sleeve, and R (mm) is the radius of the developing sleeve.

摘要翻译： 一种显影装置，具有在其表面上设置有弹性层的显影套筒，并且利用平均圆形度为0.965以上的单组分磁性调色剂在图像承载部件上形成静电图像，所述静电图像设置在 显影套筒和用于调节在显影套筒上承载的显影剂量的刀片满足表达式| Br | / | B |> = 0.5和Nsb /（BsxR）<= 0.5，其中B（G）是磁通量 通过磁体在叶片和显影套筒之间的接触位置处形成在显影套筒的表面上的密度Nsb（mm）是刀片和显影套筒之间的接触宽度，Br（G）是磁通量的分量 密度B（G）在垂直于显影套筒表面的方向上的距离Bs（rad）是磁体的最接近的一个磁极与接触位置的磁通密度的垂直分量的半值宽度 在上 显影套筒的表面，R（mm）是显影套筒的半径。

公开(公告)号：US07383003B2

公开(公告)日：2008-06-03

申请号：US11402054

申请日：2006-04-12

申请人： Naoto Kichijima ,  Koichi Okuda ,  Yasushi Shimizu ,  Kenya Ogawa ,  Shuji Moriya ,  Kazunari Hagiwara

发明人： Naoto Kichijima ,  Koichi Okuda ,  Yasushi Shimizu ,  Kenya Ogawa ,  Shuji Moriya ,  Kazunari Hagiwara

IPC分类号： G03G15/09

CPC分类号： G03G15/0907

摘要： A developing apparatus includes a developing roller for developing an image with a developer; a non-rotary magnet roll inside the roller; a blade; and an abutting member abutting against the roller, wherein the following expressions are satisfied: |Vs|>|Vdev|, |Br|/|B|≦0.5, and L/(BH×R)≧0.1, where |Vdev|: a DC component Vdev of a voltage applied to the roller, |Vs|: a DC component Vs of a voltage applied to the member, B(G): the magnetic flux density formed on the surface of the roller at the abutting position by the magnet roll, Br(G): the component of the magnetic flux density B(G) perpendicular to the surface of the roller, and L(mm): the abutting width between the roller and the member, BH(rad): the half value width of the component Bθ(G) horizontal to the surface of the roller, and R(mm): the radius of the roller.

摘要翻译： 显影装置包括用显影剂显影图像的显影辊; 辊内的非旋转磁辊; 刀片 和抵抗构件，其中满足以下表达式：| Vs |> | Vdev |，| Br | / | B | <= 0.5和L /（BHxR）= 0.1，其中| Vdev | 施加到辊的电压的直流分量Vdev | Vs |：施加到构件的电压的DC分量Vs，B（G）：形成在滚子的表面上的磁通密度 磁辊，Br（G）：垂直于辊表面的磁通密度B（G）的分量，L（mm）：辊与构件之间的抵接宽度，BH（rad）：半 部件Btheta（G）的水平面与辊表面的值的宽度，R（mm）：辊的半径。

公开(公告)号：US20050105941A1

公开(公告)日：2005-05-19

申请号：US10705975

申请日：2003-11-13

申请人： Masatake Usui ,  Hideyuki Yano ,  Kenya Ogawa ,  Katsuhiko Oba ,  Shunichi Ebihara

发明人： Masatake Usui ,  Hideyuki Yano ,  Kenya Ogawa ,  Katsuhiko Oba ,  Shunichi Ebihara

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/20 ,  G03G2215/2035

摘要： An image heating apparatus for heating and image formed on a recording material, includes a flexible rotatable member: a slidable member for sliding contact with an inner surface of the rotatable member; a back-up member for forming a nip with the slidable member with the rotatable member interposed therebetween, wherein the nip is effective to nip and feed the recording material, and the image is heated by heat supplied from the rotatable member; wherein a projection extended along a longitudinal direction of the rotatable member and provided on such a portion of a sliding surface of the slidable member as is downstream of a center of the sliding surface with respect to a recording material feeding direction in which the recording material is fed, and wherein the projection is effective to provide a maximum pressure in a distribution, with respect to the recording material feeding direction, of pressure applied to the nip.

摘要翻译： 一种用于加热和图像形成在记录材料上的图像加热装置，包括柔性可旋转构件：用于与可旋转构件的内表面滑动接触的可滑动构件; 用于与可滑动构件形成夹持部的备用构件，其中可旋转构件插入其间，其中，夹持部有效地夹持和馈送记录材料，并且图像由从可旋转构件供应的热量加热; 其特征在于，沿着所述可旋转构件的长度方向延伸的突起，其设置在所述滑动构件的滑动面的所述滑动面的所述部分的相对于所述记录材料供给方向的相对于所述滑动面的中心的下游侧， 并且其中所述突起有效地在分配中相对于记录材料进给方向提供施加到辊隙的压力的最大压力。

公开(公告)号：US07379693B2

公开(公告)日：2008-05-27

申请号：US11402022

申请日：2006-04-12

申请人： Kenya Ogawa ,  Yasushi Shimizu ,  Shuji Moriya ,  Kazunari Hagiwara ,  Naoto Kichijima ,  Koichi Okuda

发明人： Kenya Ogawa ,  Yasushi Shimizu ,  Shuji Moriya ,  Kazunari Hagiwara ,  Naoto Kichijima ,  Koichi Okuda

IPC分类号： G03G15/09

CPC分类号： G03G15/0921

摘要： A developing apparatus having a rotatable developing sleeve having an elastic layer on the surface thereof for carrying a mono-component magnetic developer and urged against a photosensitive drum to develop an electrostatic image formed on the drum with the developer, a non-rotary magnet provided inside the sleeve for magnetically attracting the developer to the sleeve, and a blade having an abutting portion abutting against the sleeve in a counter direction for regulating the amount of the developer on the sleeve, a step portion spaced apart from the abutting portion, and a separating portion provided upstream of the step portion in the rotation direction of the sleeve, wherein the surface of the sleeve to which the separating portion is opposed includes a position satisfying |Br|/|B|≧0.5, where B(G): the magnitude of magnetic flux density formed on the surface of the sleeve, and Br(G): a component of the magnetic flux density in a direction perpendicular to the surface of the sleeve.

摘要翻译： 一种具有可旋转显影套筒的显影装置，其表面上具有弹性层，用于承载单组分磁性显影剂并且被推压到感光鼓上以使显影剂形成在鼓上形成静电图像，内部设置有非旋转磁体 用于将显影剂磁性地吸引到套筒的套筒，以及具有抵靠部件的反向部分的对置部分的对置部分，用于调节套筒上显影剂的量，与抵接部分间隔开的台阶部分， 在所述套筒的所述旋转方向上游侧设置有所述套筒的与所述分离部相对的表面的位置包括满足| Br | / | B |> = 0.5的位置，其中B（G）： 在套筒表面上形成的磁通密度的大小和Br（G）：垂直于套筒表面的方向上的磁通密度的分量 。

公开(公告)号：US07010256B2

公开(公告)日：2006-03-07

申请号：US10705975

申请日：2003-11-13

申请人： Masatake Usui ,  Hideyuki Yano ,  Kenya Ogawa ,  Katsuhiko Oba ,  Shunichi Ebihara

发明人： Masatake Usui ,  Hideyuki Yano ,  Kenya Ogawa ,  Katsuhiko Oba ,  Shunichi Ebihara

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/20 ,  G03G2215/2035

摘要： An image heating apparatus has a flexible rotatable member; a slidable member for sliding contact with an inner surface of the rotatable member; a back-up member for forming a nip with the slidable member with the rotatable member interposed therebetween, wherein a projection extended along a longitudinal direction of the rotatable member, and provided on such a portion of a sliding surface of the slidable member as is downstream of a center of the sliding surface with respect to a recording material feeding direction in which the recording material is fed, and wherein the projection is effective to provide a maximum pressure in a distribution, with respect to the recording material feeding direction, of pressure applied to the nip.

摘要翻译： 图像加热装置具有柔性可旋转构件; 滑动部件，其与所述可旋转部件的内表面滑动接触; 用于与可滑动构件形成辊隙的备用构件，其中可旋转构件插入其间，其中沿着可旋转构件的纵向方向延伸的突起，并且设置在可滑动构件的滑动表面的一部分上， 相对于记录材料被供给的记录材料供给方向的滑动表面的中心，并且其中所述突起有效地在相对于记录材料进给方向的分布中提供施加的压力的最大压力 到nip

公开(公告)号：US5729785A

公开(公告)日：1998-03-17

申请号：US563289

申请日：1995-11-28

申请人： Katsuhiro Sakaizawa ,  Yasushi Sato ,  Yukihiro Ohzeki ,  Kenya Ogawa ,  Yasunori Chigono

发明人： Katsuhiro Sakaizawa ,  Yasushi Sato ,  Yukihiro Ohzeki ,  Kenya Ogawa ,  Yasunori Chigono

IPC分类号： B41J2/175 ,  B41J2/21 ,  B41J2/44 ,  B41J3/54 ,  B41J13/00 ,  G03G15/00 ,  G03G15/01 ,  G03G15/22 ,  G03G21/00

CPC分类号： B41J2/17509 ,  B41J13/00 ,  B41J3/546 ,  G03G15/221

摘要： An image forming apparatus for forming an image on a recording medium includes a first conveying path for conveying a recording medium in order to form an image thereon using a first image forming device, a second conveying path for conveying a recording medium in order to form an image thereon using a second image forming device for forming an image according to an image forming method different from an image forming method of the first image forming device, a third conveying path for conveying a recording medium in order to form an image thereon using the first image forming device and the second image forming device, and a setting device for selectively setting one of a first conveying mode using the first conveying path, a second conveying mode using the second conveying path, and a third conveying mode using the third conveying path.

摘要翻译： 用于在记录介质上形成图像的图像形成装置包括：第一输送路径，用于输送记录介质，以便使用第一图像形成装置在其上形成图像;第二输送路径，用于输送记录介质，以形成 使用根据与第一图像形成装置的图像形成方法不同的图像形成方法形成图像的第二图像形成装置的图像，第三输送路径，用于输送记录介质，以便使用第一图像形成装置在其上形成图像 图像形成装置和第二图像形成装置;以及设定装置，用于选择性地设定使用第一输送路径的第一输送模式，使用第二输送路径的第二输送模式和使用第三输送路径的第三输送模式。

公开(公告)号：US5570166A

公开(公告)日：1996-10-29

申请号：US345394

申请日：1994-11-18

申请人： Yukihiro Ohzeki ,  Masaki Ojima ,  Katsuhiro Sakaizawa ,  Kenya Ogawa

发明人： Yukihiro Ohzeki ,  Masaki Ojima ,  Katsuhiro Sakaizawa ,  Kenya Ogawa

IPC分类号： G03G15/09

CPC分类号： G03G15/09 ,  G03G2215/0614

摘要： An image forming apparatus includes an image bearing member for bearing an electrostatic image; a developer carrying member, opposed to the image bearing member, for carrying a one component developer which is charged to a predetermined polarity by friction between the developer and the developer carrying member; an electric field generating device for generating, between the image bearing member and developer carrying member, an electric field for developing the electrostatic image on the image bearing member with a reverse development method; a regulating member for regulating an amount of the developer on the developer carrying member; and a voltage applying device for applying to the regulating member, a voltage having a polarity opposite the predetermined polarity.

摘要翻译： 图像形成装置包括用于承载静电图像的图像承载部件; 显影剂承载构件，与图像承载构件相对，用于承载通过显影剂和显影剂承载构件之间的摩擦而被加载到预定极性的单组分显影剂; 电场产生装置，用于在图像承载部件和显影剂承载部件之间产生用于使图像承载部件上的静电图像显影的电场; 调节构件，用于调节显影剂承载构件上的显影剂的量; 以及用于向调节构件施加具有与预定极性相反的极性的电压的施加电压装置。

公开(公告)号：US07251441B2

公开(公告)日：2007-07-31

申请号：US11091823

申请日：2005-03-29

申请人： Kazunari Hagiwara ,  Kouichi Okuda ,  Yasushi Shimizu ,  Kenya Ogawa ,  Hikaru Osada ,  Shuji Moriya

发明人： Kazunari Hagiwara ,  Kouichi Okuda ,  Yasushi Shimizu ,  Kenya Ogawa ,  Hikaru Osada ,  Shuji Moriya

IPC分类号： G03G15/09

CPC分类号： G03G15/0921 ,  G03G2221/0005

摘要： A developing apparatus includes a developer carrying member for carrying a developer including one component magnetic toner to develop an electrostatic image formed on an image bearing member. The developer carrying member includes an elastic member contactable to the image bearing member; magnetic field generating means, for attracting the developer to the developer carrying member, and a regulating member for regulating an amount of the developer carried on the developer carrying member. The developer is regulated by the regulating member and applied on the developer carrying member at 5-16 g/mk2. At a position where the regulating member is contacted to the developer carrying member, a magnetic flux density B generated by the magnetic field generating means, and a component Br of the magnetic flux density B normal to a surface of the developer carrying member, satisfy, |Br|/|B|≦0.5.

摘要翻译： 显影装置包括用于承载包含单组分磁性调色剂的显影剂的显影剂承载构件，以形成形成在图像承载部件上的静电图像。 显影剂承载构件包括可与图像承载构件接触的弹性构件; 用于将显影剂吸引到显影剂承载构件的磁场产生装置，以及用于调节承载在显影剂承载构件上的显影剂的量的限制构件。 显影剂由调节构件调节并以5-16g / m 2·2施加在显影剂承载构件上。 在调节构件与显影剂承载构件接触的位置处，由磁场产生装置产生的磁通密度B和与显影剂承载构件的表面垂直的磁通密度B的分量Br满足， | Br | / | B | <= 0.5。

公开(公告)号：US20060233573A1

公开(公告)日：2006-10-19

申请号：US11402054

申请日：2006-04-12

申请人： Naoto Kichijima ,  Koichi Okuda ,  Yasushi Shimizu ,  Kenya Ogawa ,  Shuji Moriya ,  Kazunari Hagiwara

发明人： Naoto Kichijima ,  Koichi Okuda ,  Yasushi Shimizu ,  Kenya Ogawa ,  Shuji Moriya ,  Kazunari Hagiwara

IPC分类号： G03G15/09

CPC分类号： G03G15/0907

摘要： A developing apparatus having: a rotatable developing roller for developing an electrostatic image with a mono-component magnetic developer at a developing position; a non-rotary magnet roll inside the roller; a blade for regulating the amount of the developer at a developer regulating position; and an abutting member abutting against the roller downstream of the developing position and upstream of the developer regulating position, wherein the following expressions are satisfied: |Vs|>|Vdev|, |Br|/|B|≦0.5, and L/(BH×R)≧0.1, where |Vdev|: a DC component Vdev of a voltage applied to the roller, |Vs|: a DC component Vs of a voltage applied to the member, B(G): the magnetic flux density formed on the surface of the roller at the abutting position by the magnet roll, Br(G): the component of the magnetic flux density B(G) perpendicular to the surface of the roller, and L(mm): the abutting width between the roller and the member, BH(rad): the half value width of the component Bθ(G) horizontal to the surface of the roller, and R(mm): the radius of the roller.

摘要翻译： 一种显影装置，具有：用于在显影位置用单组分磁性显影剂显影静电图像的可旋转显影辊; 辊内的非旋转磁辊; 用于调节显影剂调节位置处的显影剂量的刀片; 和抵抗构件抵接在显影位置下游和显影剂调节位置上游的滚子，其中满足以下表达式：| Vs |> | Vdev |，| Br | / | B | <= 0.5和L / （BHxR）> = 0.1，其中| Vdev |：施加到辊的电压的DC分量Vdev | Vs |：施加到部件的电压的DC分量Vs，B（G）：形成的磁通密度 在磁辊的邻接位置的辊表面上，Br（G）：垂直于辊表面的磁通密度B（G）的分量，L（mm）： 辊和构件BH（rad）：水平面与辊表面的部件Btheta（G）的半值宽度，R（mm）：辊的半径。

公开(公告)号：US20060233572A1

公开(公告)日：2006-10-19

申请号：US11402022

申请日：2006-04-12

申请人： Kenya Ogawa ,  Yasushi Shimizu ,  Shuji Moriya ,  Kazunari Hagiwara ,  Naoto Kichijima ,  Koichi Okuda

发明人： Kenya Ogawa ,  Yasushi Shimizu ,  Shuji Moriya ,  Kazunari Hagiwara ,  Naoto Kichijima ,  Koichi Okuda

IPC分类号： G03G15/09

CPC分类号： G03G15/0921

摘要： A developing apparatus having a rotatable developing sleeve having an elastic layer on the surface thereof for carrying a mono-component magnetic developer and urged against a photosensitive drum to develop an electrostatic image formed on the drum with the developer, a non-rotary magnet provided inside the sleeve for magnetically attracting the developer to the sleeve, and a blade having an abutting portion abutting against the sleeve in a counter direction for regulating the amount of the developer on the sleeve, a step portion spaced apart from the abutting portion, and a separating portion provided upstream of the step portion in the rotation direction of the sleeve, wherein the surface of the sleeve to which the separating portion is opposed includes a position satisfying |Br|/|B|≧0.5, where B(G): the magnitude of magnetic flux density formed on the surface of the sleeve, and Br(G): a component of the magnetic flux density in a direction perpendicular to the surface of the sleeve.

摘要翻译： 一种具有可旋转显影套筒的显影装置，其表面上具有弹性层，用于承载单组分磁性显影剂并且被推压到感光鼓上以使显影剂形成在鼓上形成静电图像，内部设置有非旋转磁体 用于将显影剂磁性地吸引到套筒的套筒，以及具有抵靠部件的反向部分的对置部分的对置部分，用于调节套筒上显影剂的量，与抵接部分间隔开的台阶部分， 在所述套筒的所述旋转方向上游侧设置有所述套筒的与所述分离部相对的表面的位置包括满足| Br | / | B |> = 0.5的位置，其中B（G）： 在套筒表面上形成的磁通密度的大小和Br（G）：垂直于套筒表面的方向上的磁通密度的分量 。