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1. 发明授权

US07548709B2 Transfer unit, transfer method, and image forming apparatus 有权
标题翻译：转印单元，转印方法和图像形成装置
公开(公告)号：US07548709B2
公开(公告)日：2009-06-16
申请号：US11410966
申请日：2006-04-26
申请人： Masashi Hirai , Kuniaki Nakano , Masanori Yamada , Takahiko Yoshida , Kazuaki Ishikawa , Hiroshi Tachiki , Toshio Yamanaka
发明人： Masashi Hirai , Kuniaki Nakano , Masanori Yamada , Takahiko Yoshida , Kazuaki Ishikawa , Hiroshi Tachiki , Toshio Yamanaka
IPC分类号： G03G15/16
CPC分类号： G03G15/168
摘要： A transfer unit includes: an intermediate transfer belt that (i) holds a toner image that has been transferred from a photoreceptor drum and (ii) moves a surface holding the toner image; and a secondary transfer belt that comes into contact with the intermediate transfer belt. The transfer unit (i) transfers the toner image from the intermediate transfer belt to a sheet conveyed to the secondary transfer part and (ii) includes a cleaning unit that removes and collects toner from the surface of the intermediate transfer belt. The transfer unit also includes a power source for sequentially applying, to the secondary transfer belt, (i) a first voltage for generating an electric field that transfers normally-charged toner from the secondary transfer belt to the intermediate transfer belt and (ii) a second voltage for generating an electric field that transfers oppositely-charged toner from the secondary transfer belt to the intermediate transfer belt.
摘要翻译：转印单元包括：中间转印带，其（i）保持已经从感光鼓转印的调色剂图像，和（ii）移动保持调色剂图像的表面; 以及与中间转印带接触的二次转印带。转印单元（i）将调色剂图像从中间转印带传送到传送到二次转印部件的纸张，（ii）包括从中间转印带的表面去除和收集调色剂的清洁单元。转印单元还包括一个电源，用于顺序地向二次转印带施加（i）第一电压，用于产生将正常充电的调色剂从二次转印带传送到中间转印带的电场，以及（ii）用于产生将相反充电的调色剂从二次转印带传送到中间转印带的电场的第二电压。

2. 发明申请

US20060245782A1 Transfer unit, transfer method, and image forming apparatus 有权
标题翻译：转印单元，转印方法和图像形成装置
公开(公告)号：US20060245782A1
公开(公告)日：2006-11-02
申请号：US11410966
申请日：2006-04-26
申请人： Masashi Hirai , Kuniaki Nakano , Masanori Yamada , Takahiko Yoshida , Kazuaki Ishikawa , Hiroshi Tachiki , Toshio Yamanaka
发明人： Masashi Hirai , Kuniaki Nakano , Masanori Yamada , Takahiko Yoshida , Kazuaki Ishikawa , Hiroshi Tachiki , Toshio Yamanaka
IPC分类号： G03G15/16
CPC分类号： G03G15/168
摘要： A transfer unit includes: an intermediate transfer belt that (i) holds a toner image that has been transferred, at a primary transfer part, from a photoreceptor drum and (ii) rotates to move a surface holding the toner image; and a secondary transfer belt that comes into contact, at a secondary transfer part, with the intermediate transfer belt. The transfer unit (i) transfers the toner image from the intermediate transfer belt to a sheet conveyed to the secondary transfer part and (ii) includes an intermediate transfer belt cleaning unit that removes and collects toner from the toner image holding surface of the intermediate transfer belt. The transfer unit also includes secondary transfer power source for sequentially applying, to the secondary transfer belt, (i) a first voltage for generating an electric field that transfers normally-charged toner from the secondary transfer belt to the intermediate transfer belt and (ii) a second voltage for generating an electric field that transfers oppositely-charged toner from the secondary transfer belt to the intermediate transfer belt. Therefore, the toner from the secondary transfer belt can be suitably transferred to an intermediate transfer belt, and the secondary transfer belt can be desirably cleaned.
摘要翻译：转印单元包括：中间转印带，其（i）保持在一次转印部分从感光鼓转印的调色剂图像，和（ii）旋转以移动保持调色剂图像的表面; 以及在二次转印部分与中间转印带接触的二次转印带。转印单元（i）将调色剂图像从中间转印带传送到输送到二次转印部件的纸张，（ii）包括中间转印带清洁单元，其从中间转印剂的调色剂图像保持表面去除和收集调色剂带。转印单元还包括二次转印电源，用于顺序地向二次转印带施加（i）用于产生将正常充电的调色剂从二次转印带传送到中间转印带的电场的第一电压，以及（ii）用于产生将相反电荷的调色剂从二次转印带传送到中间转印带的电场的第二电压。因此，来自二次转印带的调色剂可以适当地转印到中间转印带上，并且可以期望地清洁二次转印带。

3. 发明授权

US07162192B2 Transfer belt device and image forming apparatus 有权
标题翻译：转印带装置和成像装置
公开(公告)号：US07162192B2
公开(公告)日：2007-01-09
申请号：US11233404
申请日：2005-09-23
申请人： Masanori Yamada , Hiroshi Tachiki , Takahiko Yoshida , Masashi Hirai
发明人： Masanori Yamada , Hiroshi Tachiki , Takahiko Yoshida , Masashi Hirai
IPC分类号： G03G15/01
CPC分类号： G03G15/1615 , G03G2221/1642 , G03G2221/1654
摘要： A transfer belt device includes an endless transfer belt that is tightly stretched by a plurality of rollers and forms a transport path where a recording medium or a developer image is transported facing a monochrome image bearing member and a plurality of color image bearing members arranged in parallel along a fixed direction. In the apparatus, a first transfer unit having a first linking member in which a monochrome-image transfer member is supported that transfers a developer image formed on the monochrome image bearing member onto a recording medium or an outer peripheral surface of the belt, and a second transfer unit having a second linking member in which a plurality of color-image transfer members are supported that transfer developer images formed on the respective color image bearing members onto a recording medium or an outer peripheral surface of the belt, are linked via the first and second linking members.
摘要翻译：转印带装置包括环形转印带，其通过多个辊紧密拉伸并形成传送路径，其中记录介质或显影剂图像被传送面向单色图像承载部件和平行排列的多个彩色图像承载部件沿着固定方向。在该装置中，具有第一连接部件的第一传送单元，其中支撑着将形成在单色图像承载部件上的显影剂图像转印到带的记录介质或外周表面上的单色图像传送部件，第二传送单元具有第二连接构件，其中多个彩色图像传送构件被支撑，所述多个彩色图像传送构件将形成在各个彩色图像承载构件上的显影剂图像转印到带的记录介质或外周表面上，和第二连接构件。

4. 发明申请

US20060067745A1 Transfer belt device and image forming apparatus 有权
标题翻译：转印带装置和成像装置
公开(公告)号：US20060067745A1
公开(公告)日：2006-03-30
申请号：US11233404
申请日：2005-09-23
申请人： Masanori Yamada , Hiroshi Tachiki , Takahiko Yoshida , Masashi Hirai
发明人： Masanori Yamada , Hiroshi Tachiki , Takahiko Yoshida , Masashi Hirai
IPC分类号： G03G15/01
CPC分类号： G03G15/1615 , G03G2221/1642 , G03G2221/1654
摘要： A transfer belt device includes an endless transfer belt that is tightly stretched by a plurality of rollers and forms a transport path where a recording medium or a developer image is transported facing a monochrome image bearing member and a plurality of color image bearing members arranged in parallel along a fixed direction. In the apparatus, a first transfer unit having a first linking member in which a monochrome-image transfer member is supported that transfers a developer image formed on the monochrome image bearing member onto a recording medium or an outer peripheral surface of the belt, and a second transfer unit having a second linking member in which a plurality of color-image transfer members are supported that transfer developer images formed on the respective color image bearing members onto a recording medium or an outer peripheral surface of the belt, are linked via the first and second linking members.
摘要翻译：转印带装置包括环形转印带，其通过多个辊紧密拉伸并形成传送路径，其中记录介质或显影剂图像被传送面向单色图像承载部件和平行排列的多个彩色图像承载部件沿着固定方向。在该装置中，具有第一连接部件的第一传送单元，其中支撑着将形成在单色图像承载部件上的显影剂图像转印到带的记录介质或外周表面上的单色图像传送部件，第二传送单元具有第二连接构件，其中多个彩色图像传送构件被支撑，所述多个彩色图像传送构件将形成在各个彩色图像承载构件上的显影剂图像转印到带的记录介质或外周表面上，和第二连接构件。

5. 发明授权

US06889027B2 Multicolored image forming apparatus for forming multicolored and monochromatic images 有权
标题翻译：用于形成多色和单色图像的多色图像形成装置
公开(公告)号：US06889027B2
公开(公告)日：2005-05-03
申请号：US10357410
申请日：2003-02-04
申请人： Hiroshi Tachiki , Toshio Yamanaka , Masashi Hirai , Kouichi Yamauchi , Fumio Shimazu
发明人： Hiroshi Tachiki , Toshio Yamanaka , Masashi Hirai , Kouichi Yamauchi , Fumio Shimazu
IPC分类号： G03G15/01 , G03G15/16 , G03G21/10
CPC分类号： G03G15/161 , G03G15/01 , G03G15/0131 , G03G2215/0119
摘要： A junction/disjunction unit of a multicolored image forming apparatus joints/disjoints a transfer material holder with/from an image holder, to switch over between a monochromatic image forming mode which uses a specific image forming unit and a multicolored image forming mode which uses a plurality of image forming units. For switching the image forming mode, a driving unit for driving the junction/disjunction unit also drives an auger provided for conveying toner, which has been recovered by a transfer material holder cleaning unit for recovering toner remaining on the transfer material holder, into a recovery container. Accordingly, a driving force outputted from the driving unit can be effectively utilized, and thereby good cost performance can be realized.
摘要翻译：多色图像形成装置的接合/分离单元与图像保持器接合/分离转印材料架，在使用特定图像形成单元的单色图像形成模式和使用特定图像形成单元的多色图像形成模式之间切换多个图像形成单元。为了切换图像形成模式，用于驱动连接/分离单元的驱动单元还驱动用于输送调色剂的螺旋推运器，该螺旋推运器已由转印材料支架清洁单元回收，用于回收残留在转印材料保持器上的调色剂，容器。因此，可以有效地利用从驱动单元输出的驱动力，从而可以实现良好的成本性能。

6. 发明申请

US20050117932A1 Transfer device and image forming apparatus 有权
标题翻译：转印装置和图像形成装置
公开(公告)号：US20050117932A1
公开(公告)日：2005-06-02
申请号：US11002708
申请日：2004-12-01
申请人： Toshiki Takiguchi , Hiroshi Tachiki , Hirokazu Yamauchi , Hiroyuki Murai , Yoshiaki Masuda , Fumio Shimazu , Masashi Hirai
发明人： Toshiki Takiguchi , Hiroshi Tachiki , Hirokazu Yamauchi , Hiroyuki Murai , Yoshiaki Masuda , Fumio Shimazu , Masashi Hirai
IPC分类号： G03G21/14 , G03G15/16 , G03G21/10
CPC分类号： G03G15/168
摘要： A timer clocks and accumulates time periods during each of which a recording sheet is transported or transfer bias is applied as transfer execution periods. When the accumulated value reaches a predetermined value, the timer outputs a time-up signal to a CPU and then clears the accumulated value. The CPU executes a cleaning operation at the time the time-up signal is inputted from the timer. In the cleaning operation, the CPU causes a high-voltage power source to apply cleaning bias to a transfer electrode roller while causing a high-voltage power source to apply delivery bias to an auxiliary cleaning roller, in order to return toner attracted to the auxiliary cleaning roller to a photosensitive drum via a transfer belt.
摘要翻译：一个定时器对每个记录片材进行传送或传送偏差作为传送执行周期进行时钟和累积。当累积值达到预定值时，定时器向CPU输出时间信号，然后清除累加值。 CPU在从定时器输入时间信号时执行清洗操作。在清洁操作中，CPU使高压电源向转印电极辊施加清洁偏压，同时使高压电源向辅助清洁辊施加输送偏压，以便将吸附到辅助的调色剂通过转印带将清洁辊清洁到感光鼓上。

7. 发明授权

US06876820B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US06876820B2
公开(公告)日：2005-04-05
申请号：US10777882
申请日：2004-02-11
申请人： Masashi Hirai , Kohichi Yamauchi , Fumio Shimazu , Hiroshi Tachiki , Yuji Nakagawa
发明人： Masashi Hirai , Kohichi Yamauchi , Fumio Shimazu , Hiroshi Tachiki , Yuji Nakagawa
IPC分类号： G03G21/00 , B65H7/00 , G03G15/00 , G03G15/08 , G03G15/16
CPC分类号： G03G15/70
摘要： A plurality of photosensitive drums are disposed in a sheet transport direction so as to be in contact with a transfer belt and a transfer voltage for transferring toner images on the photosensitive drums onto a sheet transported by the transfer belt is applied thereto. A sensor for sensing a temperature or humidity in the working atmosphere of the image forming apparatus is provided; when a jam occurs, sheet transportation is ceased at a first stage to thereby enable the sheet in the jam to be removed; at a second stage subsequent thereto, transportation of the sheet is restarted; and a transport distance of the sheet is controlled based on a printing ratio of an image formed on the sheet.
摘要翻译：多个感光鼓以片材输送方向设置成与转印带接触，并且将用于将感光鼓上的调色剂图像转印到由转印带传送的片材上的转印电压施加到其上。提供用于感测图像形成装置的工作气氛中的温度或湿度的传感器; 当发生卡纸时，在第一阶段停止片材输送，从而使得卡纸中的片材被去除; 在其后的第二阶段，片材的运输重新开始; 并且基于在片材上形成的图像的印刷比率来控制片材的传送距离。

8. 发明授权

US08095040B2 Intermediate transfer-type image forming apparatus with separation/contact mechanism 有权
标题翻译：具有分离/接触机构的中间转印型图像形成装置
公开(公告)号：US08095040B2
公开(公告)日：2012-01-10
申请号：US12334626
申请日：2008-12-15
申请人： Norio Tomita , Hiroshi Tachiki , Takahiko Yoshida , Yoshikazu Harada , Yoshiteru Kikuchi , Kenichi Isomi
发明人： Norio Tomita , Hiroshi Tachiki , Takahiko Yoshida , Yoshikazu Harada , Yoshiteru Kikuchi , Kenichi Isomi
IPC分类号： G03G15/08 , G03G15/10
CPC分类号： G03G15/1605 , G03G21/1623 , G03G21/1647 , G03G21/168 , G03G2215/0158 , G03G2221/1648 , G03G2221/169
摘要： In an embodiment of the present invention, an image forming apparatus includes a transfer belt that primarily transfers a toner image formed on a photosensitive drum; a secondary transfer unit including a transfer mechanism portion that secondarily transfers the primarily transferred toner image to a paper; an optical sensor that detects a reference toner image on the transfer belt; and a shutter that protects a detection face of the optical sensor, wherein a separation/contact mechanism portion disposed so as to be brought into contact with both of the shutter and the secondary transfer unit is provided, and the separation/contact mechanism portion allows the shutter to move so as to open and allows the secondary transfer unit to move so as to separate from the transfer belt when the reference toner image is detected by the optical sensor, and allows the shutter to move so as to separate from the transfer belt when the secondary transfer unit is drawn out from an apparatus main body.
摘要翻译：在本发明的一个实施例中，图像形成装置包括主要传送形成在感光鼓上的调色剂图像的转印带; 二次转印单元，其包括二次将主要转印的调色剂图像转印到纸张上的转印机构部分; 检测转印带上的基准调色剂图像的光学传感器; 以及保护所述光学传感器的检测面的快门，其中设置有与所述挡板和所述二次转印单元接触的分离/接触机构部分，并且所述分离/接触机构部分允许快门移动以便打开并且允许二次转印单元移动以便当由光学传感器检测到参考调色剂图像时与转印带分离，并且允许快门移动以便与转印带分离，当二次转印单元从装置主体中抽出。

9. 发明授权

US07162178B2 Transfer device and image forming apparatus 有权
标题翻译：转印装置和图像形成装置
公开(公告)号：US07162178B2
公开(公告)日：2007-01-09
申请号：US11002708
申请日：2004-12-01
申请人： Toshiki Takiguchi , Hiroshi Tachiki , Hirokazu Yamauchi , Hiroyuki Murai , Yoshiaki Masuda , Fumio Shimazu , Masashi Hirai
发明人： Toshiki Takiguchi , Hiroshi Tachiki , Hirokazu Yamauchi , Hiroyuki Murai , Yoshiaki Masuda , Fumio Shimazu , Masashi Hirai
IPC分类号： G03G15/16
CPC分类号： G03G15/168
摘要： A timer clocks and accumulates time periods during each of which a recording sheet is transported or transfer bias is applied as transfer execution periods. When the accumulated value reaches a predetermined value, the timer outputs a time-up signal to a CPU and then clears the accumulated value. The CPU executes a cleaning operation at the time the time-up signal is inputted from the timer. In the cleaning operation, the CPU causes a high-voltage power source to apply cleaning bias to a transfer electrode roller while causing a high-voltage power source to apply delivery bias to an auxiliary cleaning roller, in order to return toner attracted to the auxiliary cleaning roller to a photosensitive drum via a transfer belt.
摘要翻译：一个定时器对每个记录片材进行传送或传送偏差作为传送执行周期进行时钟和累积。当累积值达到预定值时，定时器向CPU输出时间信号，然后清除累加值。 CPU在从定时器输入时间信号时执行清洗操作。在清洁操作中，CPU使高压电源向转印电极辊施加清洁偏压，同时使高压电源向辅助清洁辊施加输送偏压，以便将吸附到辅助的调色剂通过转印带将清洁辊清洁到感光鼓上。

10. 发明申请

US20080145083A1 BELT TRANSFER DEVICE 有权
标题翻译：皮带传送装置
公开(公告)号：US20080145083A1
公开(公告)日：2008-06-19
申请号：US11955447
申请日：2007-12-13
申请人： Hiroshi Tachiki , Takashi Makiura , Kohichi Yamauchi , Takahiko Yoshida
发明人： Hiroshi Tachiki , Takashi Makiura , Kohichi Yamauchi , Takahiko Yoshida
IPC分类号： G03G15/16
CPC分类号： G03G15/161 , G03G2215/1623
摘要： A belt transfer device according to the present invention includes an intermediate transfer belt, a transfer member, a shifter, a detector, and a controller. The transfer member primarily transfers a toner image from an image carrier to the intermediate transfer belt. The shifter reciprocates in specified opposite directions so as to shift the transfer member between a transfer position where the transfer member is in compressive contact with the inner surface of the intermediate transfer belt and a home position where the transfer member is away from the belt surface. The detector outputs a signal representing the position of the shifter. Based on the state of the signal output from the detector while the shifter is reciprocating each time in the opposite directions, the controller determines whether the tensile force of the intermediate transfer belt is proper.
摘要翻译：根据本发明的带传送装置包括中间转印带，转印部件，移位器，检测器和控制器。转印构件主要将调色剂图像从图像载体转印到中间转印带。换档器在规定的相反方向往复运动，以便将转印部件在转印部件与中间转印带的内表面压接的转印位置和转印部件远离带表面的原始位置之间移动。检测器输出表示移位器位置的信号。根据从检测器输出的信号的状态，当换档器每次在相反的方向上往复运动时，控制器确定中间转印带的张力是否合适。

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