公开(公告)号：US5737681A

公开(公告)日：1998-04-07

申请号：US603159

申请日：1996-02-20

申请人： Nobuo Hyakutake ,  Yasuo Nakamura ,  Fumio Furusawa ,  Keiji Yamamoto ,  Masaaki Tokunaga ,  Satoshi Fukada ,  Satoru Torimaru ,  Yoshihiro Enomoto ,  Tetsuya Fujita ,  Nobuyoshi Komatsu

发明人： Nobuo Hyakutake ,  Yasuo Nakamura ,  Fumio Furusawa ,  Keiji Yamamoto ,  Masaaki Tokunaga ,  Satoshi Fukada ,  Satoru Torimaru ,  Yoshihiro Enomoto ,  Tetsuya Fujita ,  Nobuyoshi Komatsu

IPC分类号： G03G21/00 ,  G03G15/00 ,  G03G15/16 ,  G03G21/14

CPC分类号： G03G15/1695 ,  G03G2215/00704

摘要： A developing device which develops an electrostatic latent image formed on an image carrier by toner, thereby forming a toner image; a transferring device which transfers the toner image to a fed transfer material; a registration device which provides a timing of feeding the transfer material; a curling device which nips the transfer material so as to produce a curl which is curved in the same direction as the transferring device; a curling control device which controls a nip operation mechanism of the curling device; and mode setting means for instructing the curling control device to operate are disclosed. In accordance with a thick sheet mode set in the mode setting means, the nip operation of the curling device is executed and a dummy transfer period in which the transfer operation of the transferring device is stopped is set.

摘要翻译： 一种显影装置，其通过调色剂显影形成在图像载体上的静电潜像，从而形成调色剂图像; 将调色剂图像转印到所馈送的转印材料的转印装置; 提供进给转印材料的定时的配准装置; 卷曲装置，其卷绕转印材料，以产生与转印装置相同的方向弯曲的卷曲; 卷曲控制装置，其控制卷曲装置的辊隙操作机构; 并且公开了用于指示卷曲控制装置的操作的模式设定装置。 根据在模式设定装置中设定的厚纸模式，执行卷曲装置的压区操作，并设定转印装置的转印操作停止的虚拟转印期间。

公开(公告)号：US5822665A

公开(公告)日：1998-10-13

申请号：US856189

申请日：1997-05-14

申请人： Keiji Yamamoto ,  Nobuyoshi Komatsu ,  Yoshihiro Enomoto ,  Masaaki Tokunaga ,  Satoshi Fukada ,  Tetsuya Fujita ,  Fumio Furusawa ,  Nobuo Hyakutake

发明人： Keiji Yamamoto ,  Nobuyoshi Komatsu ,  Yoshihiro Enomoto ,  Masaaki Tokunaga ,  Satoshi Fukada ,  Tetsuya Fujita ,  Fumio Furusawa ,  Nobuo Hyakutake

IPC分类号： G03G15/16 ,  G03G15/14 ,  G03G15/01

CPC分类号： G03G15/1655

摘要： An object of the present invention is to provide an image forming apparatus capable of preventing vibration of a transfer film caused from the operation of a separating device to prevent irregular density distribution and change in the hue. The image forming apparatus according to the present invention and having: a transfer-medium holding member having a transfer film for adsorbing and carrying a transfer medium and arranged such that an image is formed on the transfer medium; an internally and upwardly pushing member movably disposed on the surface of the transfer film opposite to the surface to which the transfer medium is adsorbed; a moving device for moving the internally and upwardly pushing member by a predetermined quantity so that the internally and upwardly pushing member upwardly pushes the transfer film to deform the transfer film to separate the transfer medium from the transfer film; and a preventing device for preventing vibration of the internally and upwardly pushing member.

摘要翻译： 本发明的目的是提供一种能够防止由分离装置的操作引起的转印膜的振动以防止不规则的浓度分布和色调变化的图像形成装置。 根据本发明的图像形成装置，具有：转印介质保持部件，其具有用于吸附并承载转印介质的转印膜，并配置成在转印介质上形成图像; 内部和向上推动构件，可移动地设置在转印膜表面上与转印介质吸附的表面相反的表面上; 用于使内部和向上推动构件移动预定量的移动装置，使得内部和向上推动构件向上推动转移膜以使转印膜变形以将转印介质与转印膜分离; 以及用于防止内部和向上推动构件的振动的防止装置。

公开(公告)号：US5778298A

公开(公告)日：1998-07-07

申请号：US751986

申请日：1996-11-19

申请人： Yoshihiro Enomoto ,  Nobuo Hyakutake ,  Hitoshi Funato ,  Tetsuya Fujita ,  Nobuyoshi Komatsu

发明人： Yoshihiro Enomoto ,  Nobuo Hyakutake ,  Hitoshi Funato ,  Tetsuya Fujita ,  Nobuyoshi Komatsu

IPC分类号： B65H5/38 ,  G03G15/00 ,  G03G15/16

CPC分类号： G03G15/6558 ,  G03G15/1655 ,  G03G15/1665

摘要： A transfer device includes a photosensitive drum on the outer surface of which an image to be transferred is formed; a transfer drum arranged in parallel to the photosensitive drum and substantially in contact with the outer surface of the photosensitive drum, the transfer drum capable of adsorbing a sheet on its outer surface; and a sheet guide for guiding the sheet supplied toward the transfer drum to a transfer position between the photosensitive drum and the transfer drum. At an end of the sheet guide on the side of the transfer position, a hill-shaped guide is provided which flexes at a flexing point in a plane orthogonal to the rotary axis of each of both drums so as to be convex toward the photosensitive drum. The side of the hill-shaped guide from the flexing point toward, and closest to, the transfer position is inclined toward the photosensitive drum with respect to a tangent of the photosensitive drum passing the transfer position.

摘要翻译： 转印装置包括在其外表面上形成要转印的图像的感光鼓; 转印鼓平行于感光鼓布置并基本上与感光鼓的外表面接触，转印鼓能够在其外表面上吸附片材; 以及用于将朝向所述转印鼓供给的纸张引导到所述感光鼓和所述转印鼓之间的转印位置的纸张引导件。 在转印位置一侧的纸张引导件的端部，设置有一个山形引导件，其在与两个转鼓中的每一个的旋转轴线正交的平面中的弯曲点处弯曲，以朝向感光鼓凸起 。 相对于通过转印位置的感光鼓的切线，山形引导件从弯曲点朝向并最靠近转印位置的一侧朝向感光鼓倾斜。

公开(公告)号：US5784668A

公开(公告)日：1998-07-21

申请号：US797987

申请日：1997-02-12

申请人： Nobuo Hyakutake ,  Yoshihiro Enomoto ,  Junichi Hama ,  Tetsuya Fujita ,  Nobuyoshi Komatsu

发明人： Nobuo Hyakutake ,  Yoshihiro Enomoto ,  Junichi Hama ,  Tetsuya Fujita ,  Nobuyoshi Komatsu

IPC分类号： G03G15/01 ,  G03G15/08 ,  G03G15/06 ,  G03G21/00

CPC分类号： G03G15/0121 ,  G03G2215/0119 ,  G03G2215/0177

摘要： In an image forming apparatus wherein plural developing devices 3 have alternating electric field applying mechanisms 4, the alternating electric field applying mechanisms 4 have alternating electric field changing mechanisms 7 for reducing the degree of the action of the alternating electric field on at least one of the developing devices 3 which are later in development order, to a level which is lower than that in the preceding step. As required, at least one of the transferring devices 5 which are later in transfer order has a transfer force changing mechanism 8 for increasing the force of transfer to a transfer medium 6 applied to a color-component toner image on an image carrier 1, to a level which is higher than that in the preceding step. Furthermore, an operation condition judging mechanism 9 may judge whether preset transfer failure conditions are satisfied or not, or environmental conditions may be considered by an environmental condition adjusting device 10.

摘要翻译： 在其中多个显影装置3具有交变电场施加机构4的图像形成装置中，交变电场施加机构4具有交变电场改变机构7，用于降低交变电场的作用程度， 后处于开发顺序的显影装置3达到比前述步骤低的水平。 根据需要，传送装置5中的至少一个传送装置5具有用于增加转印到施加到图像载体1上的颜色分量调色剂图像的转印介质6的力的转印力改变机构8， 比上一步高的水平。 此外，操作条件判断机构9可以判断是否满足预设的转移失败条件，或者环境条件调节装置10可以考虑环境条件。

公开(公告)号：US6144831A

公开(公告)日：2000-11-07

申请号：US251343

申请日：1999-02-17

申请人： Katsuya Takenouchi ,  Yasushi Kawahata ,  Nobuyoshi Komatsu ,  Keiji Yamamoto ,  Noriaki Kojima ,  Yukio Hayashi ,  Takashi Kawabata ,  Nobuo Hyakutake ,  Makoto Katayama ,  Masao Ohkubo

发明人： Katsuya Takenouchi ,  Yasushi Kawahata ,  Nobuyoshi Komatsu ,  Keiji Yamamoto ,  Noriaki Kojima ,  Yukio Hayashi ,  Takashi Kawabata ,  Nobuo Hyakutake ,  Makoto Katayama ,  Masao Ohkubo

IPC分类号： B65H5/00 ,  G03G15/00 ,  G03G15/01 ,  G03G15/14 ,  G03G15/16

CPC分类号： G03G15/6535 ,  G03G15/161 ,  G03G2215/0177

摘要： An image forming apparatus includes: a transfer unit T2 including the inside transfer roll 29, the outside transfer roll 30 transfers the toner image from the toner image holding belt B onto the recording sheet that passes through the transfer region Q4 when transfer voltage is applied to between the inside transfer roll 29 and the outside transfer roll 30; electric-field adjusting conductive member 51 disposed in proximity to and along the inner side of the toner image holding belt B leaving the transfer region Q4 at a position located downstream of the transfer region Q4; and electric-field adjust-potential applying means 53; 54 applies a potential, which weakens an electric field developed between the outside transfer roll 30 and the inside transfer roll 29 in a region located downstream of the transfer region Q4, to the electric-field adjusting conductive member 51.

摘要翻译： 图像形成装置包括：包括内部转印辊29的转印单元T2，外部转印辊30将调色剂图像从调色剂图像保持带B转印到通过转印区域Q4的记录片材上，当转印电压施加到 在内侧转印辊29和外部转印辊30之间; 设置在调色剂图像保持带B的内侧并沿着调色剂图像保持带B的内侧离开转印区域Q4的位置处于位于转印区域Q4下游的位置的电场调节导电构件51; 和电场调整电位施加装置53; 在电场调节用导电部件51上施加电位，该电位将位于转印区域Q4下游的区域的外侧转印辊30与内侧转印辊29之间产生的电场变弱。

公开(公告)号：US6104899A

公开(公告)日：2000-08-15

申请号：US383970

申请日：1999-08-27

申请人： Norio Hokari ,  Takashi Kawabata ,  Keiji Yamamoto ,  Naoto Yoshino ,  Naoto Nishi ,  Nobuyoshi Komatsu ,  Tatsuya Soga ,  Shuji Iseki ,  Yukio Hayashi

发明人： Norio Hokari ,  Takashi Kawabata ,  Keiji Yamamoto ,  Naoto Yoshino ,  Naoto Nishi ,  Nobuyoshi Komatsu ,  Tatsuya Soga ,  Shuji Iseki ,  Yukio Hayashi

IPC分类号： G03G15/01 ,  G03G15/16 ,  G03G15/00

CPC分类号： G03G15/0194 ,  G03G2215/0119 ,  G03G2215/0141

摘要： In an image forming apparatus adapted to transfer a toner image formed on a photosensitive drum to an intermediate transfer belt, and thereafter to a sheet, the position of one end portion of a backup roll around which the intermediate transfer belt is passed is set regulatable, this end portion being fixed after the position thereof has been regulated. The position of one end portion of a driving roll, cleaning blades or photosensitive drum may be set regulatable. This arrangement enables the skew of an image formed on a sheet to be reduced.

摘要翻译： 在适于将形成在感光鼓上的调色剂图像转印到中间转印带，然后转印到片材上的图像形成装置中，设置可调节中间转印带的支承辊的一个端部的位置， 该端部在其位置被调节之后被固定。 驱动辊，清洁刀片或感光鼓的一个端部的位置可以被设定为可调节的。 这种布置使得能够减少在片材上形成的图像的偏斜。

公开(公告)号：US06175711B1

公开(公告)日：2001-01-16

申请号：US09388385

申请日：1999-09-01

申请人： Naoto Yoshino ,  Tatsuya Soga ,  Naoto Nishi ,  Yukio Hayashi ,  Takashi Kawabata ,  Shuji Iseki ,  Keiji Yamamoto ,  Nobuyoshi Komatsu ,  Norio Hokari

发明人： Naoto Yoshino ,  Tatsuya Soga ,  Naoto Nishi ,  Yukio Hayashi ,  Takashi Kawabata ,  Shuji Iseki ,  Keiji Yamamoto ,  Nobuyoshi Komatsu ,  Norio Hokari

IPC分类号： G03G1516

CPC分类号： G03G15/168 ,  G03G2215/1652

摘要： The image forming apparatus is capable of preventing contamination of the rear surface of paper while minimizing the deterioration of the surface of the transfer roll. The image forming apparatus has an intermediate transfer belt for carrying a toner image visualized by a toner, a transfer roll pressed against the intermediate transfer belt, and a cleaning brush that is rotatable in contact with the transfer roll. This transfer roll acts to transfer the toner image carried on the belt to paper. The cleaning brush makes contact with the transfer roll to stir the toner adhering to the transfer roll.

摘要翻译： 图像形成装置能够防止纸张的后表面的污染，同时使转印辊的表面的劣化最小化。 图像形成装置具有中间转印带，用于承载由调色剂可视化的调色剂图像，压靠在中间转印带上的转印辊和可转印与转印辊接触的清洁刷。 该转印辊用于将带上承载的调色剂图像转印到纸上。 清洁刷与转印辊接触以搅拌附着在转印辊上的调色剂。

公开(公告)号：US06347196B1

公开(公告)日：2002-02-12

申请号：US09444206

申请日：1999-11-22

申请人： Takashi Kawabata ,  Shuji Iseki ,  Keiji Yamamoto ,  Naoto Yoshino ,  Naoto Nishi ,  Nobuyoshi Komatsu ,  Yukio Hayashi ,  Tatsuya Soga ,  Norio Hokari

发明人： Takashi Kawabata ,  Shuji Iseki ,  Keiji Yamamoto ,  Naoto Yoshino ,  Naoto Nishi ,  Nobuyoshi Komatsu ,  Yukio Hayashi ,  Tatsuya Soga ,  Norio Hokari

IPC分类号： G03G1500

CPC分类号： G03G15/70 ,  G03G15/1675 ,  G03G2215/00548 ,  G03G2215/00552 ,  G03G2215/00721

摘要： An apparatus and techniques for reducing the electrostatic sticking of a transfer member to the image carrying body of an image forming apparatus. The visible image on the image carrying body is formed by charged participles. A collective transfer unit collectively transfers the visible image from the image carrying body to a transfer member. A transfer member judging unit judges whether a transfer member exists downstream of and in the vicinity of a transfer position of the collective transfer unit. A pre-stop processing unit for preventing, if the transfer member presence judging unit judges that a transfer monitor exists when the stopping unit stops the device, the transfer member from electrostatically sticking to the image carrying body.

摘要翻译： 一种用于减少转印构件对图像形成装置的图像承载体的静电粘附的装置和技术。 图像载体上的可见图像由带电分子形成。 集体传送单元将可见图像从图像载体集体传送到传送构件。 传送构件判断单元判断传送构件是否存在于集体传送单元的传送位置的下游和附近。 一种预停止处理单元，用于防止当所述传送构件存在判断单元在所述停止单元停止所述设备时判断为存在转印监视器时，所述传送构件从静电粘贴到所述图像承载体。

公开(公告)号：US20090257801A1

公开(公告)日：2009-10-15

申请号：US12359627

申请日：2009-01-26

申请人： Noriyuki Miyoshi ,  Norio Ogawahara ,  Nobuyoshi Komatsu ,  Masakatsu Eda ,  Tatsunori Izawa

发明人： Noriyuki Miyoshi ,  Norio Ogawahara ,  Nobuyoshi Komatsu ,  Masakatsu Eda ,  Tatsunori Izawa

IPC分类号： G03G15/00

CPC分类号： G03G15/6576 ,  B65H37/00 ,  B65H2220/09 ,  B65H2301/51256 ,  B65H2403/512 ,  B65H2511/13 ,  B65H2511/17 ,  B65H2801/06 ,  G03G2215/00426 ,  B65H2220/01 ,  B65H2220/02

摘要： An image forming apparatus includes: a sheet conveyance section that conveys a sheet; an image forming section that forms an image on the sheet conveyed by the sheet conveyance section according to an image signal; a sheet heating section that heats the sheet on which the image is formed by the image forming section; and a curl straightening section that straightens curl of the sheet after the sheet is heated by the sheet heating section. The sheet heating section curls the sheet in a different direction according to a sheet thickness. The curl straightening section includes: a first curl straightening section that straightens the curl of the sheet curled in a first direction for curling thick sheet; and a second curl straightening section disposed on a downstream side in a sheet conveyance direction to straighten the curl of the sheet curled in a second direction opposite to the first direction.

摘要翻译： 图像形成装置包括：片材输送部，其输送片材; 图像形成部，其根据图像信号，在由所述纸张输送部输送的纸张上形成图像; 片材加热部，其对由图像形成部形成图像的片材进行加热; 以及卷曲矫直部，其通过片材加热部加热片材之后使片材的卷曲变直。 片材加热部件根据片材厚度沿不同的方向卷曲片材。 卷曲矫直部包括：第一卷曲矫直部，其使沿着第一方向卷曲的片材的卷曲拉直，以卷曲厚片; 以及第二卷曲矫正部，其设置在片材输送方向的下游侧，以使与所述第一方向相反的第二方向卷曲的片材的卷曲变直。

公开(公告)号：US08295752B2

公开(公告)日：2012-10-23

申请号：US12561819

申请日：2009-09-17

申请人： Yuhei Tomita ,  Eiichiro Tokuhiro ,  Shigehiko Haseba ,  Takayuki Uchiyama ,  Motofumi Baba ,  Nobuyoshi Komatsu ,  Yasutaka Naito

发明人： Yuhei Tomita ,  Eiichiro Tokuhiro ,  Shigehiko Haseba ,  Takayuki Uchiyama ,  Motofumi Baba ,  Nobuyoshi Komatsu ,  Yasutaka Naito

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/2035

摘要： The fixing device includes: a fixing member including a conductive layer capable of self-heating by electromagnetic induction; a drive unit rotationally driving the fixing member; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; a fixation pressing member movable so as to come into pressure contact with an outer circumferential surface of the fixing member and to separate from the outer circumferential surface; and a temperature measurement unit that includes a temperature detector and a support portion, that measures temperature of the fixing member with the temperature detector which is pressed by the support portion to be brought into contact with an inner circumferential surface of the fixing member, and that holds a contact state between the temperature detector and the inner circumferential surface in every state where the fixing member is displaced in accordance with movement of the fixation pressing member.

摘要翻译： 定影装置包括：固定构件，其包括能够通过电磁感应自加热的导电层; 旋转地驱动所述固定构件的驱动单元; 产生与导电层交叉的交流磁场的磁场产生部件; 固定按压构件，其能够与所述固定构件的外周面压力接触并与所述外周面分离; 以及温度测量单元，其包括温度检测器和支撑部分，所述温度测量单元利用被所述支撑部分按压以与所述固定构件的内周面接触的所述温度检测器来测量所述固定构件的温度，并且 在固定构件根据定影按压构件的移动而移位的状态下，在温度检测器和内周面之间保持接触状态。