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1. 发明授权

US06377777B1 Fluorine-containing resin-coated pressure roller and heat-fixing device 有权
标题翻译：含氟树脂涂布压辊和热定影装置
公开(公告)号：US06377777B1
公开(公告)日：2002-04-23
申请号：US09505690
申请日：2000-02-18
申请人： Kazuo Kishino , Yasumasa Ohtsuka , Toshihiko Ochiai , Masaaki Takahashi , Akira Hayakawa , Hideo Kawamoto , Mahito Yoshioka , Osamu Soutome , Kenji Karashima , Yuji Kitano
发明人： Kazuo Kishino , Yasumasa Ohtsuka , Toshihiko Ochiai , Masaaki Takahashi , Akira Hayakawa , Hideo Kawamoto , Mahito Yoshioka , Osamu Soutome , Kenji Karashima , Yuji Kitano
IPC分类号： G03G1520
CPC分类号： G03G15/2053 , G03G15/206 , G03G2215/2035
摘要： A fluorine-containing resin-coated pressure roller exhibiting excellent anti-toner soiling characteristic even at low roller temperatures is provided. The pressure roller includes a cylindrical metal substrate, and a rubber elastic layer, an adhesive layer and a fluorine-containing resin release layer disposed in this order on and successively coating the cylindrical metal substrate. The pressure roller has a surface exhibiting a micro-rubber hardness of at most 50 deg., a contact angle with water of at least 105 deg. and a ten point-average surface roughness Rz of at most 3.0 &mgr;m. The pressure roller may be suitably combined with a fixing film to provide a film heating-type fixing device suitably used in an electrophotographic image forming apparatus.
摘要翻译：提供即使在低辊温度下也具有优异的抗调色剂污渍特性的含氟树脂涂覆的压辊。压辊包括圆柱形金属基底，以及橡胶弹性层，粘合剂层和含氟树脂释放层，依次涂覆在圆筒形金属基底上并依次涂覆。加压辊具有表现出至多50度的微橡胶硬度的表面，与水的接触角至少为105度。十点平均表面粗糙度Rz为3.0μm以下。压力辊可以适当地与定影膜组合，以提供适用于电子照相成像设备的膜加热型定影装置。

2. 发明授权

US06366745B1 Image forming apparatus having a mechanism to clean a driving roller by a recording material 失效
标题翻译：具有通过记录材料清洁驱动辊的机构的图像形成装置
公开(公告)号：US06366745B1
公开(公告)日：2002-04-02
申请号：US09668463
申请日：2000-09-25
申请人： Nobukazu Adachi , Yasumasa Otsuka , Toshihiko Ochiai , Seietsu Miura , Mahito Yoshioka , Takeshi Niimura , Kenji Karashima
发明人： Nobukazu Adachi , Yasumasa Otsuka , Toshihiko Ochiai , Seietsu Miura , Mahito Yoshioka , Takeshi Niimura , Kenji Karashima
IPC分类号： G03G1520
CPC分类号： G03G15/2064
摘要： The present invention provides an image forming apparatus which has an image bearing member for bearing an image, a transferring member for forming a transfer nip portion between the image bearing member and the transferring member, wherein a recording material is pinched and conveyed and an image on the image bearing member is transferred onto the recording material in the transfer nip portion, a rotary member contacted with the image on the recording material, and a driving roller for forming a fixing nip portion between the rotary member and the driving roller and for driving the rotary member, wherein the recording material bearing the image is pinched and conveyed and the image is fixed to the recording material in the fixing nip portion, and wherein regarding at least a recording material having a maximum size, while the image is being transferred in the transfer nip portion, the image is fixed in the fixing nip portion, and wherein a peripheral speed of the driving roller is always greater than a conveying speed of the recording material in the transfer nip portion.
摘要翻译：本发明提供了一种图像形成装置，其具有用于承载图像的图像承载部件，用于在图像承载部件和转印部件之间形成转印夹持部分的转印部件，其中记录材料被夹持和传送，并且图像在图像承载部件被转印到转印夹持部分中的记录材料上，与记录材料上的图像接触的旋转部件，以及用于在旋转部件和驱动辊之间形成定影夹持部分的驱动辊，旋转构件，其中承载图像的记录材料被夹持和传送，并且图像被固定到定影夹持部分中的记录材料，并且其中关于至少具有最大尺寸的记录材料，当图像在转印夹持部分，图像被固定在定影夹持部分中，并且其中驱动辊的圆周速度是流动的 ays大于转印辊隙部分中记录材料的输送速度。

3. 发明授权

US6025109A Method for cleaning a transfer device of an image forming apparatus 失效
标题翻译：清洁图像形成装置的传送装置的方法
公开(公告)号：US6025109A
公开(公告)日：2000-02-15
申请号：US80243
申请日：1998-05-18
申请人： Kenji Karashima , Hisashi Fuzisaki
发明人： Kenji Karashima , Hisashi Fuzisaki
IPC分类号： G03G21/14 , G03G15/16 , G03G21/00
CPC分类号： G03G15/1675 , G03G15/168 , G03G2215/1652
摘要： A contact type image transferring system and method incorporated in an image forming apparatus for cleaning residual toner on a transfer roller. The transfer roller is in contact with a photoconductive drum and forms a nip between the roller and the drum. A sheet of paper passes through the nip and a toner image on the drum is transferred to the sheet of paper. A power source applies a first bias current which has the same polarity as regularly charged toner to the transfer roller from when the image carrier starts its rotation after an inputting of a print start request until the sheet reaches the nip. Then the power source applies a second bias current having the same polarity as the first bias current to the transferring device when the sheet is at the nip to transfer the toner image on the image carrier to the sheet.
摘要翻译：一种结合在用于清除转印辊上的残留调色剂的图像形成装置中的接触型图像转印系统和方法。转印辊与感光鼓接触并在辊和鼓之间形成辊隙。一张纸通过辊隙，鼓上的调色剂图像被转印到纸张上。在输入打印开始请求直到纸张到达辊隙之后，电源从图像载体开始旋转时，将与规则带电的调色剂具有相同极性的第一偏置电流施加到转印辊。然后当片材处于夹持位置时，电源将具有与第一偏置电流相同极性的第二偏置电流施加到转印装置，以将图像载体上的调色剂图像转印到片材上。

4. 发明授权

US5884134A Image forming apparatus with a device to increase contact area between a transfer sheet and an image carrier 失效
标题翻译：具有增加转印纸和图像载体之间的接触面积的装置的图像形成装置
公开(公告)号：US5884134A
公开(公告)日：1999-03-16
申请号：US878903
申请日：1997-06-19
申请人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
发明人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/657 , G03G15/165
摘要： An image forming apparatus in which a transfer device is provided in a position separated from an image carrier. A transfer sheet is conveyed along and contacting a part of a circumferential surface of the image carrier facing the transfer device when transferring a toner image from the image carrier to the transfer sheet. A conveying guide is included to guide and covey the transfer sheet separated from the image carrier to a fixing unit. The conveying guide includes a guiding member to direct the conveying direction of the transfer sheet upward when the leading edge of the transfer sheet contacts the guiding member and to convey the transfer sheet at a part of the conveying guide or the guiding member in a position higher than the position of the leading edge of the transfer sheet contacting the conveying guide or the guiding member, so that the contact area between the transfer sheet and the image carrier increases.
摘要翻译：一种图像形成装置，其中传送装置设置在与图像载体分离的位置。当将调色剂图像从图像载体转印到转印纸上时，转印片材沿着图像载体的周向表面的一部分传送并接触传送装置。包括输送引导件以引导和传送从图像载体分离的转印纸到定影单元。输送引导件包括引导构件，用于当转印片的前缘接触引导构件时将转印纸的输送方向向上引导，并将转印片在输送引导件或引导构件的一部分处运送到更高的位置比转印片的前缘与输送引导件或引导部件接触的位置相同，使得转印纸和图像载体之间的接触面积增加。

5. 发明授权

US09229400B2 Image forming apparatus having a power supply common to primary transfer and secondary transfer 有权
标题翻译：图像形成装置具有一次转印和二次转印共同的电源
公开(公告)号：US09229400B2
公开(公告)日：2016-01-05
申请号：US13877440
申请日：2011-09-30
申请人： Yoshikuni Ito , Yasuhiro Horiguchi , Takayuki Tanaka , Kenji Karashima , Satoshi Tsuruya , Shinichi Nishida , Takeshi Fujino
发明人： Yoshikuni Ito , Yasuhiro Horiguchi , Takayuki Tanaka , Kenji Karashima , Satoshi Tsuruya , Shinichi Nishida , Takeshi Fujino
IPC分类号： G03G15/16 , G03G15/00
CPC分类号： G03G15/80 , G03G15/1605 , G03G15/1615 , G03G15/162 , G03G15/5004 , G03G2215/0132 , G03G2215/1661
摘要： An image forming apparatus sequentially transfers toner images formed on a plurality of photosensitive drums onto an intermediate transfer member or a transfer material to form an image. The image forming apparatus includes an intermediate transfer belt provided with electrical conductivity, and a power supply for applying a voltage to a secondary transfer roller to pass a current from the secondary transfer roller to the plurality of photosensitive drums via the intermediate transfer belt, thus primarily transferring the toner images from the plurality of photosensitive drums onto the intermediate transfer belt.
摘要翻译：图像形成装置将形成在多个感光鼓上的调色剂图像顺序地转印到中间转印部件或转印材料上以形成图像。图像形成装置包括具有导电性的中间转印带和用于向二次转印辊施加电压以将电流从二次转印辊通过中间转印带传递到多个感光鼓的电源，因此主要将调色剂图像从多个感光鼓转印到中间转印带上。

6. 发明申请

US20140321891A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20140321891A1
公开(公告)日：2014-10-30
申请号：US13995640
申请日：2011-12-09
申请人： Kenji Karashima , Satoshi Tsuruya , Yoshikuni Ito , Yasuhiro Horiguchi , Takeshi Fujino , Takahiro Kawamoto , Takayuki Tanaka , Osamu Iwasaki , Kazunari Hagiwara
发明人： Kenji Karashima , Satoshi Tsuruya , Yoshikuni Ito , Yasuhiro Horiguchi , Takeshi Fujino , Takahiro Kawamoto , Takayuki Tanaka , Osamu Iwasaki , Kazunari Hagiwara
IPC分类号： G03G15/16
CPC分类号： G03G15/1645 , G03G15/0189 , G03G15/1605 , G03G15/161 , G03G15/162 , G03G15/1675 , G03G15/1685 , G03G2215/0132
摘要： The present invention relates to an image forming apparatus that forms an image by consecutively superposing toner images that have been formed on a plurality of photosensitive drums, on an intermediate transfer member or a transfer medium. The image forming apparatus is made compact and operates at a low cost. Since a current supply member supplies a current in a rotational direction of an intermediate transfer belt, multiple first transfer portions do not need corresponding voltage sources. Even in the case where a charging member supplies a current, the potential of the intermediate transfer belt is maintained at a predetermined potential by a constant-voltage element connected to support rollers.
摘要翻译：本发明涉及一种图像形成装置，其通过连续叠加已经形成在多个感光鼓上的调色剂图像，在中间转印部件或转印介质上形成图像。成像装置紧凑并且成本低。由于电流供给部件在中间转印带的旋转方向上供给电流，所以多个第一转印部不需要对应的电压源。即使在充电部件供给电流的情况下，通过连接到支撑辊的恒定电压元件将中间转印带的电位保持在预定电位。

7. 发明授权

US6064470A Apparatus and method for cleaning a transfer device of an image forming apparatus 失效
标题翻译：用于清洁图像形成装置的转印装置的装置和方法
公开(公告)号：US6064470A
公开(公告)日：2000-05-16
申请号：US537352
申请日：1995-10-02
申请人： Kenji Karashima , Hisashi Fuzisaki , Mayumi Yoshida
发明人： Kenji Karashima , Hisashi Fuzisaki , Mayumi Yoshida
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/602 , G03G15/168 , G03G2215/1614 , G03G2215/1652
摘要： A contact type image transferring device and method incorporated in an image forming apparatus for cleaning a residual toner on a transfer roller. The transfer roller is in contact with a photoconductive drum at a first force and forms nip between the roller and the drum. A sheet of paper passes through the nip and a toner image on the drum is transferred to the sheet of paper. When the sheet of paper is not at the nip, the transfer roller is moved such that the force of the roller against the drum is a second force which is different from the first force. A cleaning bias voltage is applied to the roller and toner on the roller is transferred to the drum.
摘要翻译：一种结合在用于清洁转印辊上的残留调色剂的图像形成装置中的接触型图像转印装置和方法。转印辊以第一力与感光鼓接触并在辊和滚筒之间形成辊隙。一张纸通过辊隙，鼓上的调色剂图像被转印到纸张上。当纸张不在辊隙处时，转印辊被移动，使得辊抵靠鼓的力是与第一力不同的第二力。将清洁偏压施加到辊上，并将辊上的调色剂转印到滚筒上。

8. 发明授权

US5822649A Apparatus for cleaning a transfer device of an image forming apparatus 失效
标题翻译：用于清洁图像形成装置的传送装置的装置
公开(公告)号：US5822649A
公开(公告)日：1998-10-13
申请号：US654097
申请日：1996-05-28
申请人： Kenji Karashima , Hisashi Fuzisaki
发明人： Kenji Karashima , Hisashi Fuzisaki
IPC分类号： G03G21/14 , G03G15/16
CPC分类号： G03G15/1675 , G03G15/168 , G03G2215/1652
摘要： A contact type image transferring system and method incorporated in an image forming apparatus for cleaning residual toner on a transfer roller. The transfer roller is in contact with a photoconductive drum and forms a nip between the roller and the drum. A sheet of paper passes through the nip and a toner image on the drum is transferred to the sheet of paper. A power source applies a first bias current which has the same polarity as regularly charged toner to the transfer roller from when the image carrier starts its rotation after an inputting of a print start request until the sheet reaches the nip. Then the power source applies a second bias current having the same polarity as the first bias current to the transferring device when the sheet is at the nip to transfer the toner image on the image carrier to the sheet.
摘要翻译：一种结合在用于清除转印辊上的残留调色剂的图像形成装置中的接触型图像转印系统和方法。转印辊与感光鼓接触并在辊和鼓之间形成辊隙。一张纸通过辊隙，鼓上的调色剂图像被转印到纸张上。在输入打印开始请求直到纸张到达辊隙之后，电源从图像载体开始旋转时，将与规则带电的调色剂具有相同极性的第一偏置电流施加到转印辊。然后当片材处于夹持位置时，电源将具有与第一偏置电流相同极性的第二偏置电流施加到转印装置，以将图像载体上的调色剂图像转印到片材上。

9. 发明授权

US5621509A Apparatus and method for cleaning a transfer device of an image forming apparatus 失效
标题翻译：用于清洁图像形成装置的转印装置的装置和方法
公开(公告)号：US5621509A
公开(公告)日：1997-04-15
申请号：US601164
申请日：1996-02-13
申请人： Kenji Karashima , Hisashi Fuzisaki
发明人： Kenji Karashima , Hisashi Fuzisaki
IPC分类号： G03G15/16 , G03G21/10 , G03G21/00
CPC分类号： G03G15/168 , G03G2215/021 , G03G2215/1628 , G03G2215/1638 , G03G2215/1642 , G03G2215/1652 , G03G2215/1661
摘要： A contact type image transferring system and method incorporated in an image forming apparatus for cleaning residual toner on a transfer roller. The transfer roller is in contact with a photoconductive drum and forms a nip between the roller and the drum. A sheet of paper passes through the nip and a toner image on the drum is transferred to the sheet of paper at the nip. When the sheet of paper is not at the nip, a first transfer voltage is applied to the transfer roller for 3 to 20 seconds after a paper feed jam is corrected. The polarity of the voltage causes the toner on the transfer roller to be removed. Then a second transfer voltage is applied to the transfer roller which has a polarity which is opposite to the polarity of the first transfer voltage. The voltage difference between the transfer roller and photoconductive drum may be formed by applying bias voltages to both the photoconductive drum and the transfer roller.
摘要翻译：一种结合在用于清除转印辊上的残留调色剂的图像形成装置中的接触型图像转印系统和方法。转印辊与感光鼓接触并在辊和鼓之间形成辊隙。一张纸通过辊隙，并且鼓上的调色剂图像在辊隙处转印到纸张上。当纸张不在辊隙时，在进行卡纸纠正之后，将第一转印电压施加到转印辊上3至20秒。电压的极性导致转印辊上的调色剂被去除。然后将第二转印电压施加到具有与第一转印电压的极性相反的极性的转印辊。可以通过向感光鼓和转印辊两者施加偏压来形成转印辊和感光鼓之间的电压差。

10. 发明授权

US6101361A Image forming apparatus with a device and a method to increase contact area between a transfer sheet and an image carrier 有权
标题翻译：具有装置的图像形成装置和增加转印纸和图像载体之间的接触面积的方法
公开(公告)号：US6101361A
公开(公告)日：2000-08-08
申请号：US216977
申请日：1998-12-21
申请人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
发明人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/657 , G03G15/165
摘要： An image forming apparatus and method in which a transfer device is provided in a position separated from an image carrier. A transfer sheet is conveyed along and contacting a part of a circumferential surface of the image carrier facing the transfer device when transferring a toner image from the image carrier to the transfer sheet. A conveying guide is included to guide and covey the transfer sheet separated from the image carrier to a fixing unit. The conveying guide includes a guiding member to direct the conveying direction of the transfer sheet upward when the leading edge of the transfer sheet contacts the guiding member and to convey the transfer sheet at a part of the conveying guide or the guiding member in a position higher than the position of the leading edge of the transfer sheet contacting the conveying guide or the guiding member, so that the contact area between the transfer sheet and the image carrier increases, and so that the transfer sheet separates from the image carrier without a discharging of a charge on the transfer sheet.
摘要翻译：一种图像形成装置和方法，其中转印装置设置在与图像载体分离的位置。当将调色剂图像从图像载体转印到转印纸上时，转印片材沿着图像载体的周向表面的一部分传送并接触传送装置。包括输送引导件以引导和传送从图像载体分离的转印纸到定影单元。输送引导件包括引导构件，用于当转印片的前缘接触引导构件时将转印纸的输送方向向上引导，并将转印片在输送引导件或引导构件的一部分处运送到更高的位置比转印片的前缘与输送引导件或引导部件接触的位置更大，使得转印纸和图像载体之间的接触面积增大，使得转印纸与图像载体分离而不会排出转让单上的费用。

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