公开(公告)号：US08626043B2

公开(公告)日：2014-01-07

申请号：US13296783

申请日：2011-11-15

Applicant: Tetsuji Okamoto ,  Atsushi Ogihara ,  Koichi Watanabe ,  Shuichi Nishide ,  Wataru Suzuki ,  Atsuyuki Kitamura ,  Masahiro Sato

Inventor： Tetsuji Okamoto ,  Atsushi Ogihara ,  Koichi Watanabe ,  Shuichi Nishide ,  Wataru Suzuki ,  Atsuyuki Kitamura ,  Masahiro Sato

IPC: G03G15/01

CPC classification number: G03G15/167

Abstract: An image forming apparatus includes: an image carrier that is rotatably arranged and carries an image on an outer circumferential surface thereof; a transfer member that is rotatably arranged to face the image carrier and transfers the image carried on the image carrier onto a sheet held between the transfer member and the image carrier; a leading edge gripping member that is secured to the transfer member and grips a leading edge side of the sheet in a transport direction thereof on an outer circumferential surface of the transfer member; and a trailing edge holding member that is arranged to be rotatable around the transfer member, holds a trailing edge side of the sheet in the transport direction thereof between the trailing edge holding member and the outer circumferential surface of the transfer member, and bends to release the trailing edge side of the sheet in the transport direction thereof.

Abstract translation: 图像形成装置包括：图像载体，其被可旋转地布置并在其外周表面上承载图像; 转印构件，其可旋转地布置成面对图像载体并将承载在图像载体上的图像转印到保持在转印构件和图像载体之间的纸张上; 前缘把持部件固定在转印部件上，并且在转印部件的外周面上沿着输送方向夹持纸张的前端侧; 和后缘保持构件，该后缘保持构件布置成可围绕传送构件旋转，将片材的后缘侧沿其传送方向保持在后缘保持构件和传送构件的外周表面之间，并弯曲以释放 片材的沿其输送方向的后缘侧。

公开(公告)号：US20110318067A1

公开(公告)日：2011-12-29

申请号：US12906603

申请日：2010-10-18

Applicant: Tetsuji OKAMOTO ,  Masahiro SATO ,  Atsushi OGIHARA ,  Junichi MURAKAMI ,  Koichi WATANABE ,  Shuichi NISHIDE ,  Atsuyuki KITAMURA

Inventor： Tetsuji OKAMOTO ,  Masahiro SATO ,  Atsushi OGIHARA ,  Junichi MURAKAMI ,  Koichi WATANABE ,  Shuichi NISHIDE ,  Atsuyuki KITAMURA

IPC: G03G15/01

CPC classification number: G03G15/6564 ,  G03G2215/00556

Abstract: 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.

Abstract translation: 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：US08019262B2

公开(公告)日：2011-09-13

申请号：US12030518

申请日：2008-02-13

Applicant: Masahiro Sato ,  Shuichi Nishide

Inventor： Masahiro Sato ,  Shuichi Nishide

IPC: G03G15/01

CPC classification number: G03G15/1615 ,  G03G15/0136 ,  G03G15/0189 ,  G03G15/161 ,  G03G15/50 ,  G03G15/754 ,  G03G2215/00143 ,  G03G2215/0132 ,  G03G2215/0193 ,  G03G2215/1661

Abstract: A belt transporting apparatus is provided with a belt member that is rotated; a first roll member that holds the belt member; a second roll member that is provided apart from the first roll member by a first distance, holds the belt member together with the first roll member and is movable toward the first roll member; and a third roll member that is provided apart from the second roll member by a second distance and holds the belt member together with the second roll member. The second distance is longer than the first distance.

Abstract translation: 皮带传送装置设有旋转的皮带部件; 保持所述带构件的第一辊构件; 第二辊部件，其与第一辊部件分开设置第一距离，将带部件与第一辊部件一起保持，并且能够朝向第一辊部件移动; 以及第三辊构件，其与第二辊构件分开设置第二距离，并且将带构件与第二辊构件一起保持。 第二距离比第一距离长。

公开(公告)号：US20100124450A1

公开(公告)日：2010-05-20

申请号：US12470034

申请日：2009-05-21

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

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

IPC: G03G15/00

CPC classification number: G03G15/6579 ,  G03G15/0121 ,  G03G15/0163 ,  G03G15/0173 ,  G03G2215/0177

Abstract: 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.

Abstract translation: 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：US20090295077A1

公开(公告)日：2009-12-03

申请号：US12405638

申请日：2009-03-17

Applicant: Junichi Murakami ,  Shuichi Nishide ,  Masahiro Sato ,  Atsuyuki Kitamura

Inventor： Junichi Murakami ,  Shuichi Nishide ,  Masahiro Sato ,  Atsuyuki Kitamura

IPC: B65H9/14

CPC classification number: G03G15/0157 ,  B65H9/166 ,  B65H2404/1451 ,  B65H2404/6111 ,  G03G15/0163 ,  G03G15/0173 ,  G03G15/6579 ,  G03G2215/00405 ,  G03G2215/0043 ,  G03G2215/00561 ,  G03G2215/00565

Abstract: A transport device includes: a positioning member provided in a sheet transport path, used for positioning of a print sheet in a direction orthogonal to a sheet transport direction; and a skewed roller that transports the print sheet while skewing the print sheet toward a direction of the positioning member, a transport roller being provided in a position different from the skewed roller in the sheet transport direction.

Abstract translation: 输送装置包括：定位构件，设置在片材输送路径中，用于在与片材输送方向正交的方向上定位打印片材; 以及偏斜辊，其在使打印纸朝向定位构件的方向倾斜的同时传送打印纸，输送辊设置在与纸张输送方向上的偏斜辊不同的位置。

公开(公告)号：US08818238B2

公开(公告)日：2014-08-26

申请号：US13247284

申请日：2011-09-28

Applicant: Masahiro Sato ,  Atsuyuki Kitamura ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Koichi Watanabe ,  Shuichi Nishide ,  Wataru Suzuki

Inventor： Masahiro Sato ,  Atsuyuki Kitamura ,  Atsushi Ogihara ,  Tetsuji Okamoto ,  Koichi Watanabe ,  Shuichi Nishide ,  Wataru Suzuki

IPC: G03G15/08 ,  G03G15/04

CPC classification number: G03G21/1647 ,  G03G15/0173 ,  G03G2215/0177 ,  G03G2221/163 ,  G03G2221/1642 ,  G03G2221/1657

Abstract: An image forming apparatus includes a main body portion including an image carrier, an image-carrier driving unit, a latent-image forming unit, a developing-unit attachment section, and a transfer-unit attachment section. The developing-unit attachment section receives a first developing unit having plural developing members or a second developing unit having a single developing member. The transfer-unit attachment section receives a first transfer unit, which includes a first transfer member capable of retaining a recording medium and a first transfer driving unit that rotates the first transfer member, and a second transfer unit, which includes a second transfer member that cannot retain the recording medium. When the first developing unit and the first transfer unit are attached to the developing-unit attachment section and the transfer-unit attachment section, respectively, the first transfer driving unit is mechanically connected to the first developing unit.

Abstract translation: 图像形成装置包括：主体部分，包括图像载体，图像载体驱动单元，潜像形成单元，显影单元附着部分和转印单元安装部分。 显影单元附接部接收具有多个显影元件的第一显影单元或具有单个显影元件的第二显影单元。 转印单元附接部分接收第一转印单元，该第一转印单元包括能够保持记录介质的第一转印元件和使第一转印元件旋转的第一转印驱动单元和包括第二转印元件的第二转印元件， 不能保留记录介质。 当第一显影单元和第一转印单元分别附接到显影单元附接部分和转印单元附接部分时，第一转印驱动单元机械地连接到第一显影单元。

公开(公告)号：US20120251149A1

公开(公告)日：2012-10-04

申请号：US13247284

申请日：2011-09-28

Applicant: Masahiro SATO ,  Atsuyuki KITAMURA ,  Atsushi OGIHARA ,  Tetsuji OKAMOTO ,  Koichi WATANABE ,  Shuichi NISHIDE ,  Wataru SUZUKI

Inventor： Masahiro SATO ,  Atsuyuki KITAMURA ,  Atsushi OGIHARA ,  Tetsuji OKAMOTO ,  Koichi WATANABE ,  Shuichi NISHIDE ,  Wataru SUZUKI

IPC: G03G15/00 ,  G03G15/08 ,  G03G15/01 ,  G03G15/16

CPC classification number: G03G21/1647 ,  G03G15/0173 ,  G03G2215/0177 ,  G03G2221/163 ,  G03G2221/1642 ,  G03G2221/1657

Abstract: An image forming apparatus includes a main body portion including an image carrier, an image-carrier driving unit, a latent-image forming unit, a developing-unit attachment section, and a transfer-unit attachment section. The developing-unit attachment section receives a first developing unit having plural developing members or a second developing unit having a single developing member. The transfer-unit attachment section receives a first transfer unit, which includes a first transfer member capable of retaining a recording medium and a first transfer driving unit that rotates the first transfer member, and a second transfer unit, which includes a second transfer member that cannot retain the recording medium. When the first developing unit and the first transfer unit are attached to the developing-unit attachment section and the transfer-unit attachment section, respectively, the first transfer driving unit is mechanically connected to the first developing unit.

Abstract translation: 图像形成装置包括：主体部分，包括图像载体，图像载体驱动单元，潜像形成单元，显影单元附着部分和转印单元安装部分。 显影单元附接部接收具有多个显影元件的第一显影单元或具有单个显影元件的第二显影单元。 转印单元附接部分接收第一转印单元，该第一转印单元包括能够保持记录介质的第一转印元件和使第一转印元件旋转的第一转印驱动单元和包括第二转印元件的第二转印元件， 不能保留记录介质。 当第一显影单元和第一转印单元分别附接到显影单元附接部分和转印单元附接部分时，第一转印驱动单元机械地连接到第一显影单元。

公开(公告)号：US08180248B2

公开(公告)日：2012-05-15

申请号：US12510308

申请日：2009-07-28

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

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

IPC: G03G5/00 ,  G03G21/16

CPC classification number: G03G21/1609 ,  G03G2215/0043 ,  G03G2215/0177

Abstract: 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.

Abstract translation: 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：US07978994B2

公开(公告)日：2011-07-12

申请号：US12509827

申请日：2009-07-27

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

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

IPC: G03G15/00 ,  G03G15/20

CPC classification number: G03G15/6573 ,  G03G15/0121 ,  G03G15/0163 ,  G03G15/0173 ,  G03G2215/0106 ,  G03G2215/0158

Abstract: An image forming apparatus includes an image forming unit that forms an image on a recording medium; a fixing unit that fixes the image formed on the recording medium by the image forming unit by applying heat; a first detector unit that detects a length of the recording medium in a transport direction, the first detector unit being disposed upstream of the fixing unit in the transport direction; and a second detector unit that detects the length of the recording medium in the transport direction, the second detector unit being disposed downstream of the fixing unit in the transport direction.

Abstract translation: 图像形成装置包括在记录介质上形成图像的图像形成单元; 固定单元，其通过加热来固定由所述图像形成单元在所述记录介质上形成的图像; 第一检测器单元，其在输送方向上检测记录介质的长度，所述第一检测器单元设置在所述定影单元的输送方向的上游; 以及第二检测器单元，其在传送方向上检测记录介质的长度，第二检测器单元设置在传送方向上的定影单元的下游。

公开(公告)号：US07965974B2

公开(公告)日：2011-06-21

申请号：US12506500

申请日：2009-07-21

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

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

IPC: G03G15/00

CPC classification number: G03G15/6579 ,  G03G15/0121 ,  G03G15/0163 ,  G03G15/0173 ,  G03G15/50 ,  G03G2215/0043 ,  G03G2215/00675 ,  G03G2215/0177

Abstract: 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; 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; a second transporter that transports in a second direction the recording medium with the developer image fixed thereon; 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.

Abstract translation: 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，其在显影装置之间切换; 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; 第一运送器，其沿着第一方向传送具有固定在其上的显影剂图像的记录介质; 第二传送器，其在第二方向上传送具有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。