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1.发明授权Multicolored image forming apparatus for forming multicolored and monochromatic images 有权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
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。
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公开(公告)号：US06876820B2
公开(公告)日：2005-04-05
申请号：US10777882
申请日：2004-02-11
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。
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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
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。
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公开(公告)号：US07257351B2
公开(公告)日：2007-08-14
申请号：US10694748
申请日：2003-10-29
IPC分类号： G03G21/16
CPC分类号： G03G15/0184 , G03G2215/0141 , G03G2215/0193 , G03G2215/1623 , G03G2221/1642 , G03G2221/1654
摘要： Providing a simply-arranged detaching/attaching mechanism and image forming device which allow a transfer supporter device to be detached/attached through a space formed by opening an outer covering, the device includes photosensitive drums, detachable/attachable transfer belt unit, and rail members supporting a transfer belt unit. Each of the rail members includes a rail groove guiding the transfer belt unit, notch and positioning hole determining the position of the transfer belt unit when the belt is in contact with the photosensitive drums, and notch and convex section determining the position of the transfer belt unit when the belt is detached from the photosensitive drums. The transfer belt unit support with respect to the main body of the image forming device, performed by the rail members, is released in response to the action of opening the side cover, so that the transfer belt unit is in a free state.
摘要翻译： 提供一种简单布置的分离/附接机构和图像形成装置，其允许转印支撑装置通过打开外盖而形成的空间被拆卸/附着，该装置包括感光鼓，可拆卸/可附接的转印带单元和轨道构件 支持转印带单元。 每个轨道构件包括引导转印带单元的轨道槽，当皮带与感光鼓接触时确定转印带单元的位置的切口和定位孔以及确定转印带的位置的凹口和凸部 当皮带与感光鼓分离时的单位。 响应于打开侧盖的动作，由轨道构件相对于图像形成装置的主体的转印带单元支撑被释放，使得转印带单元处于自由状态。
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公开(公告)号：US06957022B2
公开(公告)日：2005-10-18
申请号：US10769491
申请日：2004-01-29
IPC分类号： G03G15/00
CPC分类号： G03G15/70 , G03G2215/00772 , G03G2215/00776 , G03G2215/0119
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 the transfer voltage applied onto the transfer belt is controlled based on a measurement result of the sensor.
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转印带上。 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; 并且基于传感器的测量结果来控制施加到转印带上的转印电压。
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公开(公告)号：US20050074259A1
公开(公告)日：2005-04-07
申请号：US10694748
申请日：2003-10-29
CPC分类号： G03G15/0184 , G03G2215/0141 , G03G2215/0193 , G03G2215/1623 , G03G2221/1642 , G03G2221/1654
摘要： To provide a simply-arranged detaching/attaching mechanism and image forming device which allow a transfer supporter device (contacting member) to be detached/attached through a space formed by opening an outer covering, the present invention includes photosensitive drums, detachable/attachable transfer belt unit, and rail members supporting a transfer belt unit. Each of the rail members includes a rail groove for guiding the transfer belt unit, notch and positioning hole for determining the position of the transfer belt unit when the belt is in contact with the photosensitive drums, and notch and convex section for determining the position of the transfer belt unit when the belt is detached from the photosensitive drums. The support of the transfer belt unit with respect to the main body of the image forming device, which is performed by the rail members, is released in response to the action of opening the side cover, so that the transfer belt unit is caused to be in a free state.
摘要翻译： 为了提供一种简单布置的拆卸/附接机构和图像形成装置，其允许转印支撑装置（接触构件）通过打开外盖而形成的空间被拆卸/附接，本发明包括感光鼓，可拆卸/可附接的转印 皮带单元和支撑转印带单元的轨道构件。 每个轨道构件包括用于引导转印带单元的轨道槽，用于在带与感光鼓接触时确定转印带单元的位置的切口和定位孔以及用于确定转印带单元的位置的凹口和凸部 当皮带与感光鼓分离时，转印带单元。 响应于打开侧盖的动作，转印带单元相对于图像形成装置的主体的支撑由轨道构件执行，从而使转印带单元成为 处于自由状态。
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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。
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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。
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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。
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公开(公告)号：US06301023B1
公开(公告)日：2001-10-09
申请号：US09243923
申请日：1999-02-03
申请人： Masashi Hirai , Hidekazu Sakagami , Syoichiro Yoshiura , Osamu Nakayama , Fumio Shimazu , Noritaka Okazaki
发明人： Masashi Hirai , Hidekazu Sakagami , Syoichiro Yoshiura , Osamu Nakayama , Fumio Shimazu , Noritaka Okazaki
IPC分类号： H04N104
CPC分类号： H04N1/00015 , G03G15/0194 , G03G15/5058 , G03G2215/00059 , G03G2215/00616 , G03G2215/0119 , G03G2215/0141 , G03G2215/0161 , H04N1/00002 , H04N1/00042 , H04N1/506
摘要： In an image forming apparatus including a transfer and transport belt suspended between a plurality of rollers, an image forming section for forming a pattern image on the transfer and transport belt, and a pattern image detecting sensor for detecting the pattern image, the pattern image detecting sensor is disposed so as to detect the surface of a suspended segment, of the transfer and transport belt, suspended between the rollers, and a back surface contact member that is in contact with a back surface of a detection area where the pattern image detecting sensor detects the pattern image on the surface of the transfer and transport belt is provided so as to render the detection area flat and stable. This can provide an image forming apparatus incorporating a pattern image detecting means having a simple arrangement and a capability to surely detect the pattern image in a precise and stable manner.
摘要翻译： 在包括悬挂在多个辊子之间的转印和输送带的图像形成装置中，用于在转印和输送带上形成图案图像的图像形成部分和用于检测图案图像的图案图像检测传感器，图案图像检测 传感器被设置为检测悬挂在辊之间的传送带和传送带的悬挂部分的表面与与图案图像检测传感器的检测区域的背面接触的背面接触部件 检测传送带的表面上的图案图像，使得检测区域平坦且稳定。 这可以提供一种图像形成装置，其包括具有简单布置的图案图像检测装置和以精确和稳定的方式可靠地检测图案图像的能力。
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