公开(公告)号：US08457538B2

公开(公告)日：2013-06-04

申请号：US12906603

申请日：2010-10-18

申请人： Tetsuji Okamoto ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Koichi Watanabe ,  Shuichi Nishide ,  Atsuyuki Kitamura

发明人： Tetsuji Okamoto ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Koichi Watanabe ,  Shuichi Nishide ,  Atsuyuki Kitamura

IPC分类号： G03G15/01

CPC分类号： G03G15/6564 ,  G03G2215/00556

摘要： An image forming apparatus includes an image carrier that is rotatable; a transfer member that is rotatably disposed so as to face the image carrier, the transfer member transferring an image carried by the image carrier to a sheet; a leading end gripping member that is attached to the transfer member, the leading end gripping member gripping a leading end of the sheet in the transport direction on an outer peripheral surface of the transfer member; a trailing end holding member that holds a trailing end of the sheet in the transport direction between the trailing end holding member and the outer peripheral surface of the transfer member; and a controller that changes a distance between the leading end gripping member and the trailing end holding member when holding the sheet on the basis of a length of the sheet in the transport direction.

摘要翻译： 图像形成装置包括可旋转的图像载体; 转印构件，其被可旋转地设置成面对图像载体，所述转印构件将由所述图像载体承载的图像转印到片材上; 前端夹持构件，其安装在所述转印构件上，所述前端夹持构件在所述转印构件的外周面上沿所述输送方向夹持所述纸的前端; 后端保持构件，其在所述后端保持构件和所述转印构件的外周面之间沿所述输送方向保持所述片材的后端; 以及控制器，当基于输送方向上的片材的长度来保持片材时，改变前端夹持构件和后端保持构件之间的距离。

公开(公告)号：US08369758B2

公开(公告)日：2013-02-05

申请号：US12870438

申请日：2010-08-27

申请人： Tetsuji Okamoto ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Koichi Watanabe ,  Shuichi Nishide ,  Atsuyuki Kitamura

发明人： Tetsuji Okamoto ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Koichi Watanabe ,  Shuichi Nishide ,  Atsuyuki Kitamura

IPC分类号： G03G15/01

CPC分类号： G03G15/6558 ,  G03G2215/00561

摘要： An image forming apparatus includes: an image carrier; a transfer member that transfers an image onto a recording medium; a leading-end holding member that holds a leading-end side of the recording medium, which is fed to the transfer member, between the leading-end holding member and an outer circumferential surface of the transfer member, in such a way to restrict displacement of the recording medium and to restrict movement of the recording medium in a direction away from the transfer member; and a rear-end holding member that holds a rear-end side of the recording medium, in the transporting direction thereof, between the rear-end holding member and the outer circumferential surface of the transfer member, in such a way to allow displacement of the recording medium in the transporting direction and to restrict movement of the recording medium in the direction away from the transfer member.

摘要翻译： 图像形成装置包括：图像载体; 传送构件，其将图像转印到记录介质上; 前端保持构件，其将前端保持构件和转印构件的外周面之间的记录介质的前端侧保持在转印构件上，以限制位移 并且限制记录介质沿远离转印构件的方向的移动; 以及后端保持构件，其将记录介质的后端侧沿其输送方向保持在后端保持构件和转印构件的外周面之间，以允许位移 并且限制记录介质在远离转印件的方向上的移动。

公开(公告)号：US08145108B2

公开(公告)日：2012-03-27

申请号：US12880611

申请日：2010-09-13

申请人： Junichi Murakami ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Koichi Watanabe ,  Shuichi Nishide

发明人： Junichi Murakami ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Koichi Watanabe ,  Shuichi Nishide

IPC分类号： G03G15/01

CPC分类号： G03G15/167

摘要： An image forming apparatus includes: an image carrier; a transfer member transfers the image carried on the outer circumferential surface of the image carrier onto a recording medium; a holding member that holds, on an outer circumferential surface of the transfer member, the recording medium fed to the transfer member; and a control unit that performs control so that in first image formation operation in which images of plural colors carried by the image carrier are sequentially transferred onto a single recording medium one color at a time, the holding member holds the recording medium on the transfer member, and in second image formation operation in which an image of a single color carried by the image carrier is transferred onto a single recording medium, the holding member does not hold, the recording medium on the transfer member.

摘要翻译： 图像形成装置包括：图像载体; 转印构件将承载在图像载体的外周表面上的图像转印到记录介质上; 保持构件，其在所述转印构件的外周面上保持供给到所述转印构件的记录介质; 以及控制单元，其进行控制，使得在第一图像形成操作中，由图像载体承载的多种颜色的图像一次一次地顺序地转印到单个记录介质上，保持构件将记录介质保持在转印构件上 并且在由图像载体承载的单色图像被转印到单个记录介质上的第二图像形成操作中，保持构件不保持在记录介质上的转印构件。

公开(公告)号：US20110236081A1

公开(公告)日：2011-09-29

申请号：US12870438

申请日：2010-08-27

申请人： Tetsuji OKAMOTO ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Koichi Watanabe ,  Shuichi Nishide ,  Atsuyuki Kitamura

发明人： Tetsuji OKAMOTO ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Koichi Watanabe ,  Shuichi Nishide ,  Atsuyuki Kitamura

IPC分类号： G03G15/01

CPC分类号： G03G15/6558 ,  G03G2215/00561

摘要： An image forming apparatus includes: an image carrier; a transfer member that transfers an image onto a recording medium; a leading-end holding member that holds a leading-end side of the recording medium, which is fed to the transfer member, between the leading-end holding member and an outer circumferential surface of the transfer member, in such a way to restrict displacement of the recording medium and to restrict movement of the recording medium in a direction away from the transfer member; and a rear-end holding member that holds a rear-end side of the recording medium, in the transporting direction thereof, between the rear-end holding member and the outer circumferential surface of the transfer member, in such a way to allow displacement of the recording medium in the transporting direction and to restrict movement of the recording medium in the direction away from the transfer member.

摘要翻译： 图像形成装置包括：图像载体; 传送构件，其将图像转印到记录介质上; 前端保持构件，其将前端保持构件和转印构件的外周面之间的记录介质的前端侧保持在转印构件上，以限制位移 并且限制记录介质沿远离转印构件的方向的移动; 以及后端保持构件，其将记录介质的后端侧沿其输送方向保持在后端保持构件和转印构件的外周面之间，以允许位移 并且限制记录介质在远离转印件的方向上的移动。

公开(公告)号：US20100124450A1

公开(公告)日：2010-05-20

申请号：US12470034

申请日：2009-05-21

申请人： Shuichi NISHIDE ,  Junichi Murakami ,  Tetsuji Okamoto ,  Atsushi Ogihara ,  Atsuyuki Kitamura ,  Masahiro Sato

发明人： Shuichi NISHIDE ,  Junichi Murakami ,  Tetsuji Okamoto ,  Atsushi Ogihara ,  Atsuyuki Kitamura ,  Masahiro Sato

IPC分类号： G03G15/00

CPC分类号： G03G15/6579 ,  G03G15/0121 ,  G03G15/0163 ,  G03G15/0173 ,  G03G2215/0177

摘要： An image forming apparatus includes: an image carrier that rotates; a developing unit that visualizes an electrostatic latent image carried on the image carrier with a color developer into a developer image; a transfer unit that transfers the developer image carried on the image carrier to a sheet in a predetermined transfer position; a fixing unit that fixes the developer image transferred by the transfer unit to the sheet; a transport unit that transports the sheet to which the color developer image has been fixed by the fixing unit, and returns the sheet to the transfer position for transferring a developer image of another color developer to be superposed on the developer image having been fixed to the sheet; and an adjustment unit that performs adjustment to reduce a time difference between time for returning the sheet by the transport unit and time for an integer number of rotations of the image carrier.

摘要翻译： 图像形成装置包括：旋转的图像载体; 显影单元，其将具有彩色显影剂的图像载体上承载的静电潜像可视化为显影剂图像; 传送单元，将承载在图像载体上的显影剂图像转印到预定转印位置的纸张上; 固定单元，其将由所述转印单元传送的显影剂图像固定到所述片材; 传送单元，其通过定影单元传送已经固定有彩色显影剂图像的片材，并将片材返回到转印位置，以将另一彩色显影剂的显影剂图像转印以重叠在已经固定在显影剂图像上的显影剂图像上 片; 以及调整单元，其执行调整以减少由传送单元返回纸张的时间与图像载体的整数转动的时间之间的时间差。

公开(公告)号：US08213847B2

公开(公告)日：2012-07-03

申请号：US12538988

申请日：2009-08-11

申请人： Junichi Murakami ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Satoru Torimaru ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Shuichi Nishide

发明人： Junichi Murakami ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Satoru Torimaru ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Shuichi Nishide

IPC分类号： G03G15/16

CPC分类号： G03G15/6567 ,  G03G15/6564 ,  G03G2215/00409 ,  G03G2215/00565

摘要： An image forming apparatus includes: an image carrier; a development unit that develops an electrostatic latent image present on the image carrier with a developer; a transfer member that transfers a developer image developed by the development unit from the image carrier to a recording medium by transporting while nipping the recording medium in a transfer position in contact with the image carrier; a corrective guide member that contacts the recording medium which is simultaneously caught by the transfer member for a period and that corrects placement of the recording medium with respect to the transfer member, thus guiding the recording medium toward the transport position; and a transport unit that transports the recording medium toward the transfer position while exerting a force on the recording medium in a direction causing a side edge of the recording medium along a transport direction to abut the corrective guide member.

摘要翻译： 图像形成装置包括：图像载体; 显影单元，其利用显影剂显影存在于图像载体上的静电潜像; 传送构件，其将由显影单元显影的显影剂图像从图像载体传送到记录介质，通过在将记录介质夹在与图像载体接触的转印位置的同时传送; 校正引导构件，其与记录介质接触，同时被传送构件捕获一段时间，并且校正记录介质相对于传送构件的放置，从而将记录介质导向传送位置; 以及传送单元，其将记录介质朝向传送位置传送，同时沿着传送方向沿记录介质的侧边缘沿着记录介质施加力抵靠校正引导构件。

公开(公告)号：US20100247197A1

公开(公告)日：2010-09-30

申请号：US12567976

申请日：2009-09-28

申请人： Tetsuji Okamoto ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Atsushi Ogihara ,  Satoru Torimaru ,  Junichi Murakami ,  Shuichi Nishide

发明人： Tetsuji Okamoto ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Atsushi Ogihara ,  Satoru Torimaru ,  Junichi Murakami ,  Shuichi Nishide

IPC分类号： G03G15/00

CPC分类号： G03G15/0131 ,  G03G15/0121 ,  G03G15/0163 ,  G03G15/0173 ,  G03G2215/0116

摘要： An image forming apparatus includes: an image forming apparatus main body, an image forming unit that is provided in the image forming apparatus main body and forms an image on a recording medium, and a transport unit transporting the recording medium, wherein the image forming apparatus main body has a forward port for forwarding the recording medium having the image thereon by the image forming unit to outside of the image forming apparatus main body, and further has a guide unit by which the recording medium forwarded to the outside of the image forming apparatus main body is guided to be retrieved into the image forming apparatus main body, and to be led to the transport unit.

摘要翻译： 一种成像设备包括：图像形成设备主体，设置在图像形成设备主体中并在记录介质上形成图像的图像形成单元和传送记录介质的传送单元，其中图像形成设备 主体具有用于将具有图像的记录介质由图像形成单元转发到图像形成装置主体外部的前进端口，并且还具有引导单元，通过该引导单元将记录介质转发到图像形成装置的外部 主体被引导回到图像形成装置主体中，并被引导到传送单元。

公开(公告)号：US20100209135A1

公开(公告)日：2010-08-19

申请号：US12510308

申请日：2009-07-28

申请人： Masahiro Sato ,  Atsuyuki Kitamura ,  Junichi Murakami ,  Satoru Torimaru ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Shuichi Nishide

发明人： Masahiro Sato ,  Atsuyuki Kitamura ,  Junichi Murakami ,  Satoru Torimaru ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Shuichi Nishide

IPC分类号： G03G15/00

CPC分类号： G03G21/1609 ,  G03G2215/0043 ,  G03G2215/0177

摘要： An image forming apparatus includes: a first unit including at least a development unit that develops an electrostatic latent image and a first developer container containing a developer; an image carrier that holds an electrostatic latent image to be developed by the development unit; a transfer unit that transfers a developer image developed by the development unit onto a recording medium; a fixing device that fixes a developer image transferred to the recording medium by the transfer unit onto a recording medium; and an image forming apparatus main body in which the first unit is installed, the image forming apparatus main body being configured such that a second unit including at least plural second developer containers respectively containing developers of different colors and development units for respective colors is installable instead of the first unit and, when the second unit is installed, a loop transport path is provided to allow the recording medium having the developer image fixed thereon by the fixing device to be transported around the second unit and toward the transfer unit.

摘要翻译： 图像形成装置包括：第一单元，至少包括显影静电潜像的显影单元和包含显影剂的第一显影剂容器; 保持由显影单元显影的静电潜像的图像载体; 传送单元，其将由显影单元显影的显影剂图像转印到记录介质上; 固定装置，其将通过所述转印单元传送到所述记录介质的显影剂图像固定到记录介质上; 以及图像形成装置主体，其中安装有第一单元，图像形成装置主体被构造成使得包括分别包含不同颜色的显影剂的至少多个第二显影剂容器和用于各种颜色的显影单元的第二单元可以安装 并且当安装第二单元时，提供环路传送路径，以允许具有通过定影装置固定在其上的显影剂图像的记录介质被传送到第二单元周围并朝向传送单元传送。

公开(公告)号：US20100183339A1

公开(公告)日：2010-07-22

申请号：US12506500

申请日：2009-07-21

申请人： Satoru Torimaru ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Tetsuji Okamoto ,  Shuichi Nishide

发明人： Satoru Torimaru ,  Atsuyuki Kitamura ,  Masahiro Sato ,  Atsushi Ogihara ,  Junichi Murakami ,  Tetsuji Okamoto ,  Shuichi Nishide

IPC分类号： G03G15/01

CPC分类号： G03G15/6579 ,  G03G15/0121 ,  G03G15/0163 ,  G03G15/0173 ,  G03G15/50 ,  G03G2215/0043 ,  G03G2215/00675 ,  G03G2215/0177

摘要： An image forming apparatus includes: an image carrier that carries an electrostatic latent image; plural developing devices that store respective developers of different colors and visualize the electrostatic latent image with the developers; a developing device switching mechanism that switches among the developing devices to allow one of the developing devices to visualize the electrostatic latent image carried by the image carrier; a transfer unit that transfers a developer image visualized by the one of the developing devices to a recording medium; a fixing device that fixes the developer image transferred by the transfer unit onto the recording medium; a first transporter that transports in a first direction the recording medium with the developer image fixed thereon by the fixing device; a second transporter that transports in a second direction the recording medium with the developer image fixed thereon by the fixing device; and a transporter switching mechanism that switches between the first transporter and the second transporter in conjunction with an operation of the developing device switching mechanism for switching among the developing devices.

摘要翻译： 图像形成装置包括：承载静电潜像的图像载体; 多个显影装置，其存储不同颜色的各个显影剂并且与显影剂可视化静电潜像; 显影装置切换机构，其在所述显影装置之间切换以允许所述显影装置中的一个显影所述图像载体携带的静电潜像; 传送单元，其将由所述显影设备中的一个显像的显影剂图像传送到记录介质; 固定装置，其将由所述转印单元传送的显影剂图像固定到所述记录介质上; 第一传送器，其通过所述定影装置在所述第一方向上传送所述显影剂图像的所述记录介质; 第二传送器，其在第二方向上传送具有通过定影装置固定在其上的显影剂图像的记录介质; 以及结合显影装置切换机构在显影装置之间切换的操作，在第一运送器和第二运送器之间切换的运送器切换机构。

公开(公告)号：US08180248B2

公开(公告)日：2012-05-15

申请号：US12510308

申请日：2009-07-28

申请人： Masahiro Sato ,  Atsuyuki Kitamura ,  Junichi Murakami ,  Satoru Torimaru ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Shuichi Nishide

发明人： Masahiro Sato ,  Atsuyuki Kitamura ,  Junichi Murakami ,  Satoru Torimaru ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Shuichi Nishide

IPC分类号： G03G5/00 ,  G03G21/16

CPC分类号： G03G21/1609 ,  G03G2215/0043 ,  G03G2215/0177

摘要： An image forming apparatus includes: a first unit including at least a development unit that develops an electrostatic latent image and a first developer container containing a developer; an image carrier that holds an electrostatic latent image to be developed by the development unit; a transfer unit that transfers a developer image developed by the development unit onto a recording medium; a fixing device that fixes a developer image transferred to the recording medium by the transfer unit onto a recording medium; and an image forming apparatus main body in which the first unit is installed, the image forming apparatus main body being configured such that a second unit including at least plural second developer containers respectively containing developers of different colors and development units for respective colors is installable instead of the first unit and, when the second unit is installed, a loop transport path is provided to allow the recording medium having the developer image fixed thereon by the fixing device to be transported around the second unit and toward the transfer unit.

摘要翻译： 图像形成装置包括：第一单元，至少包括显影静电潜像的显影单元和包含显影剂的第一显影剂容器; 保持由显影单元显影的静电潜像的图像载体; 传送单元，其将由显影单元显影的显影剂图像转印到记录介质上; 固定装置，其将通过所述转印单元传送到所述记录介质的显影剂图像固定到记录介质上; 以及图像形成装置主体，其中安装有第一单元，图像形成装置主体被构造成使得包括分别包含不同颜色的显影剂的至少多个第二显影剂容器和用于各种颜色的显影单元的第二单元可以安装 并且当安装第二单元时，提供环路传送路径，以允许具有通过定影装置固定在其上的显影剂图像的记录介质被传送到第二单元周围并朝向传送单元传送。