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公开(公告)号：US06263174B1
公开(公告)日：2001-07-17
申请号：US09454860
申请日：1999-12-07
IPC分类号： G03G1500
CPC分类号： G03G15/50 , G03G2215/0177
摘要： An image forming apparatus capable of minimizing local degradation of the image carrier and effectively preventing image defects due to resistance reduction and adhesion of release agent, without lowering productivity. The image forming apparatus includes an image making unit, having an image carrier, with plural image carrying regions, the image making unit adapted to cause the image carrying regions on the image carrier to carry images and then to transfer the images onto the sheet in a series of image making cycles, and an image making controller for controlling the image making unit according to job commands for making images. The image making controller includes a reference signal changing circuit for changing reference signal for each job, and the reference signal determines which of the image carrying regions on the image carrier should be an image writing position.
摘要翻译： 一种图像形成装置，其能够使图像载体的局部劣化最小化，并且有效地防止由于脱模剂的电阻降低和粘附而引起的图像缺陷，而不降低生产率。 图像形成装置包括具有多个图像承载区域的图像载体的图像制作单元，所述图像制作单元适于使图像载体上的图像载体区域携带图像，然后将图像转印到片材上 一系列图像制作周期，以及图像制作控制器，用于根据用于制作图像的作业命令来控制图像制作单元。 图像产生控制器包括用于改变每个作业的参考信号的参考信号改变电路，并且参考信号确定图像载体上的哪个图像载体区域应当是图像写入位置。
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公开(公告)号：US5655190A
公开(公告)日：1997-08-05
申请号：US624805
申请日：1996-03-27
申请人： Takashi Fuchiwaki
发明人： Takashi Fuchiwaki
CPC分类号： G03G15/0126 , G03G2215/0177
摘要： A developing-equipment switching apparatus is provided with a rotary retainer 23 for holding a plurality of developing implements 23, a driving motor 24, control means 28 for controlling the rotation of the driving motor 24, a primary drive transmission member 25 which is anchored to the rotary shaft 24a of the driving motor, and a secondary drive transmission member 23b which is anchored to the rotary retainer 23, so that the developing implements 21 are switched from one to another by transmitting the torque of the driving motor 24 to the rotary retainer 23 via the primary drive transmission member 25 and the secondary drive transmission member 23b to rotate the rotary retainer, wherein the control means 28 causes the driving motor 24 to rotate every integral number of times and sets the rotational ratio between the primary drive transmission member 25 and the secondary drive transmission member 23b in such a way that the rotary retainer 23 rotates by a set angle between the adjoining developing implements 21 when the driving motor 24 is rotated the integral number of times.
摘要翻译： 显影设备开关装置设置有用于保持多个显影器具23的旋转保持器23，驱动电机24，用于控制驱动电动机24的旋转的控制装置28，主驱动传递部件25，其被锚定到 驱动电动机的旋转轴24a和锚定在旋转保持器23上的副驱动传递部件23b，通过将驱动电动机24的转矩传递给旋转保持架，使显影工具21从另一方切换 23通过主驱动传递部件25和次驱动传递部件23b旋转旋转保持器，其中控制装置28使驱动电动机24每整数次旋转，并设定主驱动传递部件25之间的旋转比 和副驱动传递构件23b，使得旋转保持器23在邻接部之间旋转一定的设定角度 当驱动电动机24旋转整数次时，显影工具21。
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公开(公告)号：US5270483A
公开(公告)日：1993-12-14
申请号：US034415
申请日：1993-03-19
CPC分类号： G03G15/0803 , G03G2215/0621 , G03G2215/0643
摘要： A developing apparatus for developing a latent image on a surface of a photosensitive body by forming a toner cloud in a developing region through electrode wire, in which movably supporting units for supporting electrode supporting unit movably between operative positions and inoperative positions are provided so that the electrode wire supported by the electrode supporting units can be kept in an operative position near to a surface of a developing roll when the electrode supporting units are in their operative positions and, on the other hand, the electrode wire can be kept in an inoperative position far from the surface of the developing roll when the electrode supporting units are in their inoperative positions. Thereby, foreign matters trapped in the electrode wire or accumulated on the electrode wire can be removed easily.
摘要翻译： 一种显影装置，用于通过在显影区域中通过电极线形成调色剂云来显影感光体表面上的潜像，其中可动支撑单元用于在可操作位置和不工作位置之间可移动地支撑电极支撑单元， 当电极支撑单元处于其操作位置时，由电极支撑单元支撑的电极线可以保持在显影辊表面附近的操作位置，另一方面，电极线可以保持在不工作位置 当电极支撑单元处于其不工作位置时远离显影辊的表面。 由此，能够容易地除去捕获在电极线中或积聚在电极线上的异物。
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公开(公告)号：US6078762A
公开(公告)日：2000-06-20
申请号：US200454
申请日：1998-11-27
申请人： Takashi Fuchiwaki , Yasutomo Ishii , Nobukazu Takahashi , Kazunori Numao , Fumio Furusawa , Junichiro Sameshima , Hitoshi Funato , Ryuji Hattori
发明人： Takashi Fuchiwaki , Yasutomo Ishii , Nobukazu Takahashi , Kazunori Numao , Fumio Furusawa , Junichiro Sameshima , Hitoshi Funato , Ryuji Hattori
CPC分类号： G03G15/00 , G03G15/0121 , G03G15/0173 , G03G2215/0177
摘要： An image formation apparatus for document production or reproduction which includes a plurality of paper feed trays T1-T4 placed in overlapped relation at multiple stages from top to bottom wherein the length of the top-stage paper feed tray T1 in the paper feed direction is formed shorter than the length of each of the paper feed trays T2-T4 at lower stages in the paper feed direction, an image support 16, an intermediate transfer body B, and a secondary transfer device 31 placed in a tray upward paper feed side space Sa above the paper feed tray T1, a fuser T placed in a top-stage tray side space Sb1 on the side of the top-stage paper feed tray T1 and an upward side space Sb2 above the space Sb1, and a developing unit D placed in the upward side space Sb2.
摘要翻译： 一种用于文件制作或再现的图像形成装置，其包括多个从上到下以多个阶段重叠放置的供纸托盘T1-T4，其中形成在供纸方向上的顶级供纸盘T1的长度 比在供纸方向的较低阶段的每个供纸盘T2-T4的长度短的图像支撑件16，中间转印体B和放置在托盘向上的供纸侧空间Sa中的二次转印装置31 放置在送纸托架T1的上方，定影部件T放置在顶级供纸托盘T1侧的顶层托盘侧空间Sb1和空间Sb1上方的上侧空间Sb2，放置在 向上侧空间Sb2。
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公开(公告)号：US5790930A
公开(公告)日：1998-08-04
申请号：US800392
申请日：1997-02-14
申请人： Takashi Fuchiwaki
发明人： Takashi Fuchiwaki
CPC分类号： G03G15/0131 , G03G2215/0174
摘要： An image forming method using an image forming apparatus, the apparatus including: a rotary image carrier, and a rotary intermediate transfer medium arranged in pressure-contact with the image carrier, wherein at least one of the image carrier or the intermediate transfer medium is a belt-shape rotary body which is looped over a group of rolls and can circulate with at least one of the rolls as a drive transmission roll, and the peripheral length of the belt-shape rotary body is m (m: integer)-times as long as the peripheral length of the drive transmission roll, the method including the steps of: a toner image forming step of rotating the image carrier at a constant peripheral speed to form the toner image successively for each color component on the image carrier; a toner image intermediate transfer step of rotating the intermediate transfer medium at a constant peripheral speed different from the constant peripheral speed of the image carrier, on condition that one revolution time of the intermediate transfer medium is n (n: integer or 1/integer)-times as long as one revolution time of the image carrier, to transfer the toner image for each color component carried on the image carrier; and a toner image final transfer step of collectively transferring the toner image for each color transferred on the intermediate transfer medium onto a recording medium.
摘要翻译： 一种使用图像形成装置的图像形成方法，该装置包括：旋转图像载体和与图像载体压力接触的旋转中间转印介质，其中图像载体或中间转印介质中的至少一个为 带状旋转体，其环绕在一组辊上并且可以与至少一个辊一起作为驱动传递辊循环，并且带状旋转体的周长为m（m：整数）倍 所述方法包括以下步骤：调色剂图像形成步骤，以恒定的圆周速度旋转所述图像载体，以对所述图像载体上的每个颜色分量依次形成调色剂图像; 在中间转印介质的一个转数为n（n：整数或1 /整数）的条件下，以不同于图像载体的恒定圆周速度的恒定圆周速度旋转中间转印介质的调色剂图像中间转印步骤 与图像载体一样长的时间，以便转印承载在图像载体上的每个颜色分量的调色剂图像; 以及将在中间转印介质上转印的每种颜色的调色剂图像共同转印到记录介质上的调色剂图像最终转印步骤。
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6.发明申请公开(公告)号：US20050201782A1
公开(公告)日：2005-09-15
申请号：US11029649
申请日：2005-01-06
CPC分类号： G03G15/6558 , G03G15/1665 , G03G2215/00675
摘要： An image forming apparatus includes an image carrier that supports an image, a contact transfer member that sandwiches a transfer medium in a transfer area between the contact transfer member and the image carrier and electrostatically transfers the image on the image carrier onto the transfer medium, and a transfer medium guiding device to guide the transfer medium to the transfer area between the image carrier and the contact transfer member. The transfer medium guiding device has a pair of guide chutes that guide the transfer medium to make the transfer medium contact the outside and upstream portion of the transfer area of the image carrier, an angle formed between a contact plane on the image carrier and the transfer medium at a contact point is 45° or more and 60° or less, and a distance between one of the guide chutes closer to the transfer area and the image carrier is 1.0 mm or more and 2.5 mm or less.
摘要翻译： 图像形成装置包括支撑图像的图像载体，在接触转印构件和图像载体之间的转印区域中夹持转印介质并将图像载体上的图像静电转印到转印介质上的接触转印构件，以及 转印介质引导装置，用于将转印介质引导到图像载体和接触转印部件之间的转印区域。 转印介质导向装置具有一对导向滑槽，其导向转印介质以使转印介质与图像载体的转印区域的外部和上游部分接触，形成在图像载体上的接触平面与转印 在接触点处的介质为45°以上且60°以下，并且更靠近传送区域的导槽中的一个与图像载体之间的距离为1.0mm以上且2.5mm以下。
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7.发明授权Cleaning blade, cleaner for image carrying body, and image forming apparatus 有权用于图像载体的清洁刮板，清洁器和图像形成装置公开(公告)号：US06668153B2
公开(公告)日：2003-12-23
申请号：US10097614
申请日：2002-03-15
申请人： Makoto Sakanobe , Noriaki Kojima , Takashi Fuchiwaki , Yasunori Unagida , Hiroyuki Koide , Yoshinori Nakano
发明人： Makoto Sakanobe , Noriaki Kojima , Takashi Fuchiwaki , Yasunori Unagida , Hiroyuki Koide , Yoshinori Nakano
IPC分类号： G03G2100
CPC分类号： G03G15/161 , G03G21/0017 , G03G21/0076 , G03G2221/001
摘要： A cleaning blade of an image forming apparatus is formed of urethane rubber, a modulus of repulsion elasticity (JIS K6255) is not less than 20% at 10° C. to not more than 70% at 40° C., a 300% modulus (JIS K6251) is not less than 200 kgf/cm2, and a tear strength (JIS K6252 crescent type) is not less than 35 kgf/cm. A tension set (JIS K6262) of the cleaning blade (3) is preferably not more than 2.5%, and is more preferably not more than 1.0%, and is still more preferably not more than 0.5%.
摘要翻译： 图像形成装置的清洁刮板由聚氨酯橡胶形成，排斥弹性模量（JIS K6255）在40℃下在10℃下不低于20％，在40℃下不大于70％，300％模量 （JIS K6251）不小于200kgf / cm 2，撕裂强度（JIS K6252月牙型）不小于35kgf / cm。 清洁刮板（3）的张力组（JIS K6262）优选为2.5％以下，更优选为1.0％以下，进一步优选为0.5％以下。
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8.发明授权公开(公告)号：US07546076B2
公开(公告)日：2009-06-09
申请号：US11029649
申请日：2005-01-06
IPC分类号： G03G15/16
CPC分类号： G03G15/6558 , G03G15/1665 , G03G2215/00675
摘要： An image forming apparatus includes an image carrier that supports an image, a contact transfer member that sandwiches a transfer medium in a transfer area between the contact transfer member and the image carrier and electrostatically transfers the image on the image carrier onto the transfer medium, and a transfer medium guiding device to guide the transfer medium to the transfer area between the image carrier and the contact transfer member.
摘要翻译： 图像形成装置包括支撑图像的图像载体，在接触转印构件和图像载体之间的转印区域中夹持转印介质并将图像载体上的图像静电转印到转印介质上的接触转印构件，以及 转印介质引导装置，用于将转印介质引导到图像载体和接触转印部件之间的转印区域。
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公开(公告)号：US06243550B1
公开(公告)日：2001-06-05
申请号：US09561923
申请日：2000-05-01
申请人： Takashi Fuchiwaki , Yasutomo Ishii , Nobukazu Takahashi , Kazunori Numao , Fumio Furusawa , Junichiro Sameshima , Hitoshi Funato , Ryuji Hattori
发明人： Takashi Fuchiwaki , Yasutomo Ishii , Nobukazu Takahashi , Kazunori Numao , Fumio Furusawa , Junichiro Sameshima , Hitoshi Funato , Ryuji Hattori
IPC分类号： G03G1500
CPC分类号： G03G15/00 , G03G15/0121 , G03G15/0173 , G03G2215/0177
摘要： An image formation apparatus for document production of reproduction which includes a plurality of paper feed trays T1-T4 placed in overlapped relation at multiple stages from top to bottom wherein the length of the top-stage paper feed tray T1 in the paper feed direction is formed shorter than the length of each of the paper feed trays T2-T4 at lower stages in the paper feed direction, an image support 16, an intermediate transfer body B, and a secondary transfer device 31 placed in a tray upward paper feed side space Sa above the paper feed tray T1, a fuser T placed in a top-stage tray side space Sb1 on the side of the top-stage paper feed tray T1 and an upward side space Sb2 above the space Sb1, and a developing unit D placed in the upward side space Sb2.
摘要翻译： 一种用于文件制作再现的图像形成装置，其包括多个从上到下以多个阶段以重叠的关系放置的供纸托盘T1-T4，其中形成在供纸方向上的顶级供纸盘T1的长度 比在供纸方向的较低阶段的每个供纸盘T2-T4的长度短的图像支撑件16，中间转印体B和放置在托盘向上的供纸侧空间Sa中的二次转印装置31 放置在送纸托架T1的上方，定影部件T放置在顶级供纸托盘T1侧的顶层托盘侧空间Sb1和空间Sb1上方的上侧空间Sb2，放置在 向上侧空间Sb2。
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公开(公告)号：US06222606B1
公开(公告)日：2001-04-24
申请号：US09359798
申请日：1999-07-26
申请人： Takashi Fuchiwaki , Akihisa Maruyama , Yasutomo Ishii , Katsuya Takenouchi , Keitaro Sonoguchi , Yasutaka Naito , Yasuyuki Kobayashi , Yoko Shimomura , Kazuhiko Miyazato , Shigehiko Haseba , Minoru Ueki , Satoshi Matsuzaka
发明人： Takashi Fuchiwaki , Akihisa Maruyama , Yasutomo Ishii , Katsuya Takenouchi , Keitaro Sonoguchi , Yasutaka Naito , Yasuyuki Kobayashi , Yoko Shimomura , Kazuhiko Miyazato , Shigehiko Haseba , Minoru Ueki , Satoshi Matsuzaka
IPC分类号： G03B2732
CPC分类号： G03G15/231 , G03G15/2025 , G03G2215/0177 , G03G2215/2083 , G03G2215/2093
摘要： Premising a duplex imaging apparatus having an image carrier provided with a plurality of image carrying regions, the image deterioration phenomenon (i.e., the so-called “oil ghost phenomenon”), as might otherwise accompany the local transfer of a releasing agent from a fixing unit to the image carrier, is effectively avoided. In a mode where the image carrier 2 is provided with the plural image carrying regions, duplex mode control unit 8 includes an imaging sequence determining portion 9 for determining such a fundamental imaging sequence that when duplex images are to be formed on sheets 4 more than an image carriable number of the image carrier 2, the fundamental sequence determining portion 9 causes the image carrier 2: to carry first screen images A less than the image carriable number in a first imaging cycle of an imaging unit 1; to carry images corresponding to the image carriable number in and after a second imaging cycle so that at least second screen images B may be positioned at the front of the first screen images A; and to carry the second screen images B less than the image carriable number in the last imaging cycle.
摘要翻译： 提供具有设置有多个图像承载区域的图像载体的双面成像装置，图像劣化现象（即所谓的“油重影现象”）可能伴随着脱模剂从固定的局部转移 单元到图像载体，被有效地避免。 在图像载体2设置有多个图像承载区域的模式中，双面模式控制单元8包括用于确定这样的基本成像序列的成像序列确定部分9，即当在多于4个的片材4上形成双面图像时 图像载体2的图像载体号，基本序列确定部分9使图像载体2在成像单元1的第一成像周期中携带小于图像载体数量的第一屏幕图像A; 以在第二成像周期中和之后携带与图像可载卡号相对应的图像，使得至少第二屏幕图像B可以位于第一屏幕图像A的前面; 并且在最后一个成像周期中携带第二屏幕图像B小于图像可携带号码。
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