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1. 发明申请

US20090074482A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20090074482A1
公开(公告)日：2009-03-19
申请号：US12204071
申请日：2008-09-04
申请人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
发明人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
IPC分类号： G03G15/20
CPC分类号： G03G15/161 , G03G15/1605 , G03G2215/1623
摘要： An intermediate transfer belt and a photosensitive member form a transfer nip. An electrode is arranged close to an inner surface of the intermediate transfer belt in a portion on an upstream side of a direction of endless movement of the intermediate transfer belt with respect to a downstream-side exit of the transfer nip and on a downstream side of the direction of endless movement with respect to a position at which a transfer roller charges the intermediate transfer belt. A voltage of same polarity as the polarity of a toner is applied to the electrode, so that there is no movement of an electric charge between the electrode and the intermediate transfer belt.
摘要翻译：中间转印带和感光部件形成转印辊隙。电极靠近中间转印带的内表面设置在中间转印带相对于转印辊隙的下游侧出口的环形运动方向的上游侧的一部分中，并且在下游侧相对于转印辊对中间转印带进行充电的位置的无端运动的方向。向电极施加与调色剂的极性相同极性的电压，使得电极和中间转印带之间不会发生电荷的移动。

2. 发明授权

US08081913B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08081913B2
公开(公告)日：2011-12-20
申请号：US12204071
申请日：2008-09-04
申请人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
发明人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
IPC分类号： G03G15/20
CPC分类号： G03G15/161 , G03G15/1605 , G03G2215/1623
摘要： An intermediate transfer belt and a photosensitive member form a transfer nip. An electrode is arranged close to an inner surface of the intermediate transfer belt in a portion on an upstream side of a direction of endless movement of the intermediate transfer belt with respect to a downstream-side exit of the transfer nip and on a downstream side of the direction of endless movement with respect to a position at which a transfer roller charges the intermediate transfer belt. A voltage of same polarity as the polarity of a toner is applied to the electrode, so that there is no movement of an electric charge between the electrode and the intermediate transfer belt.
摘要翻译：中间转印带和感光部件形成转印辊隙。电极靠近中间转印带的内表面设置在中间转印带相对于转印辊隙的下游侧出口的环形运动方向的上游侧的一部分中，并且在下游侧相对于转印辊对中间转印带进行充电的位置的无端运动的方向。向电极施加与调色剂的极性相同极性的电压，使得电极和中间转印带之间不会发生电荷的移动。

3. 发明申请

US20070217832A1 IMAGE FORMING APPARATUS 失效
标题翻译：图像形成装置
公开(公告)号：US20070217832A1
公开(公告)日：2007-09-20
申请号：US11687360
申请日：2007-03-16
申请人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
发明人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
IPC分类号： G03G15/01 , G03G15/16
CPC分类号： G03G15/1635 , G03G15/1605 , G03G15/161 , G03G2215/0129 , G03G2215/1623 , G03G2221/1642
摘要： An image forming apparatus includes at least one image forming unit, a primary transfer belt, and a secondary transferer. The image forming unit includes an image carrier and a primary transfer bias applicator. The secondary transferer includes a secondary transfer nip, a secondary transfer bias applicator, and a facing member facing the second transfer bias applicator. The secondary transfer bias applicator forms a secondary transfer electric field. The image forming apparatus further includes a bias applicator, a contact start site, and an electrode. The bias applicator applies a bias voltage having a same polarity as the normal charge polarity of the toner to the primary transfer belt, downstream of the primary transfer bias applicator. The recording medium starts to contact the toner image at the contact start site, located upstream of the secondary transfer nip, where the electrode forms an electric field.
摘要翻译：图像形成装置包括至少一个图像形成单元，一次转印带和次要转印件。图像形成单元包括图像载体和一次转印偏压施加器。次级转移器包括二次转印压区，二次转印偏压施加器和面向第二转印偏压施加器的面对构件。二次转印偏压施加器形成二次转印电场。图像形成装置还包括偏置施加器，接触起始部位和电极。偏置施加器将与调色剂的正常电荷极性相同的极性的偏置电压施加到一次转印偏压施加器的下游的一次转印带。记录介质开始接触位于二次转印辊隙的上游的接触起始位置处的调色剂图像，其中电极形成电场。

4. 发明申请

US20060209151A1 Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20060209151A1
公开(公告)日：2006-09-21
申请号：US11367541
申请日：2006-03-06
申请人： Takahiro Tamiya , Katsuhiro Echigo , Hajime Oyama , Hisashi Kikuchi
发明人： Takahiro Tamiya , Katsuhiro Echigo , Hajime Oyama , Hisashi Kikuchi
IPC分类号： B41J2/01
CPC分类号： B41J2/0057
摘要： A transfer member and a downstream-side neutralizing electrode make a contact with a rear portion of an intermediate transfer belt within a contact region. A transfer voltage with an opposite polarity to a regularly charged polarity of a toner is applied to the transfer member. A voltage with a same polarity as the regularly charged polarity of the toner is applied to the downstream-side neutralizing electrode.
摘要翻译：转印部件和下游侧中和电极与接触区域内的中间转印带的后部接触。将具有与调色剂的规则带电极性相反的极性的转印电压施加到转印部件。具有与调色剂的规则带电极性相同极性的电压被施加到下游侧中和电极。

5. 发明授权

US08121527B2 Image forming apparatus having a neutralizing member of determined resistivity 有权
标题翻译：具有确定电阻率的中和构件的图像形成装置
公开(公告)号：US08121527B2
公开(公告)日：2012-02-21
申请号：US12034275
申请日：2008-02-20
申请人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
发明人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
IPC分类号： G03G15/20
CPC分类号： G03G15/162 , G03G15/161 , G03G15/1675
摘要： An exit blade is arranged on a downstream side of a transfer nip formed between a photosensitive element and a primary transfer roller, with an intermediate transfer belt being put therebetween, and brought into contact with an internal surface of the intermediate transfer belt. A neutralizing bias of the same polarity as that of the toner is applied to the exit blade, rather than a primary transfer bias voltage.
摘要翻译：出口叶片布置在形成在感光元件和一次转印辊之间的转印辊隙的下游侧，中间转印带放置在其间并与中间转印带的内表面接触。将与调色剂相同极性的中和偏压施加到出口叶片，而不是一次转印偏压。

6. 发明申请

US20090324306A1 TRANSFER DEVICE AND IMAGE FORMING APPARATUS 失效
标题翻译：传输设备和图像形成设备
公开(公告)号：US20090324306A1
公开(公告)日：2009-12-31
申请号：US12487216
申请日：2009-06-18
申请人： Katsuhiro Echigo , Hajime Oyama , Takahiro Tamiya
发明人： Katsuhiro Echigo , Hajime Oyama , Takahiro Tamiya
IPC分类号： G03G15/16
CPC分类号： G03G15/1605 , G03G2215/1623
摘要： A transfer device for use in an image forming apparatus includes at least two belt members constituting a secondary nip portion therebetween. The transfer device electrostatically transfers a toner image from one of the belt members onto a recording medium when the recording medium passes through the secondary nip portion. The transfer device includes a mechanism that supports the belt members such that the secondary nip portion is substantially linear; and a bias applying member that applies a secondary transfer bias at a substantially center portion of the secondary nip portion.
摘要翻译：用于图像形成装置的转印装置包括在其间构成二次压合部的至少两个带部件。当记录介质通过次级辊隙部分时，转印装置将调色剂图像从其中一个带部件静电转印到记录介质上。传送装置包括支撑带部件的机构，使得二次压合部分基本上是线性的; 以及施加二次转印偏压在二次压合部的大致中心部分的偏压施加部件。

7. 发明授权

US08358955B2 Transfer device and image forming apparatus 失效
标题翻译：转印装置和图像形成装置
公开(公告)号：US08358955B2
公开(公告)日：2013-01-22
申请号：US12487216
申请日：2009-06-18
申请人： Katsuhiro Echigo , Hajime Oyama , Takahiro Tamiya
发明人： Katsuhiro Echigo , Hajime Oyama , Takahiro Tamiya
IPC分类号： G03G15/08
CPC分类号： G03G15/1605 , G03G2215/1623
摘要： A transfer device for use in an image forming apparatus includes at least two belt members constituting a secondary nip portion therebetween. The transfer device electrostatically transfers a toner image from one of the belt members onto a recording medium when the recording medium passes through the secondary nip portion. The transfer device includes a mechanism that supports the belt members such that the secondary nip portion is substantially linear; and a bias applying member that applies a secondary transfer bias at a substantially center portion of the secondary nip portion.
摘要翻译：用于图像形成装置的转印装置包括在其间构成二次压合部的至少两个带部件。当记录介质通过次级辊隙部分时，转印装置将调色剂图像从其中一个带部件静电转印到记录介质上。传送装置包括支撑带部件的机构，使得二次压合部分基本上是线性的; 以及施加二次转印偏压在二次压合部的大致中心部分的偏压施加部件。

8. 发明授权

US07546074B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US07546074B2
公开(公告)日：2009-06-09
申请号：US11687360
申请日：2007-03-16
申请人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
发明人： Hajime Oyama , Katsuhiro Echigo , Takahiro Tamiya
IPC分类号： G03G15/01
CPC分类号： G03G15/1635 , G03G15/1605 , G03G15/161 , G03G2215/0129 , G03G2215/1623 , G03G2221/1642
摘要： An image forming apparatus includes at least one image forming unit, a primary transfer belt, and a secondary transferer. The image forming unit includes an image carrier and a primary transfer bias applicator. The secondary transferer includes a secondary transfer nip, a secondary transfer bias applicator, and a facing member facing the second transfer bias applicator. The secondary transfer bias applicator forms a secondary transfer electric field. The image forming apparatus further includes a bias applicator, a contact start site, and an electrode. The bias applicator applies a bias voltage having a same polarity as the normal charge polarity of the toner to the primary transfer belt, downstream of the primary transfer bias applicator. The recording medium starts to contact the toner image at the contact start site, located upstream of the secondary transfer nip, where the electrode forms an electric field.
摘要翻译：图像形成装置包括至少一个图像形成单元，一次转印带和次要转印件。图像形成单元包括图像载体和一次转印偏压施加器。次级转移器包括二次转印压区，二次转印偏压施加器和面向第二转印偏压施加器的面对构件。二次转印偏压施加器形成二次转印电场。图像形成装置还包括偏置施加器，接触起始部位和电极。偏置施加器将与调色剂的正常电荷极性相同的极性的偏置电压施加到一次转印偏压施加器的下游的一次转印带。记录介质开始接触位于二次转印辊隙的上游的接触起始位置处的调色剂图像，其中电极形成电场。

9. 发明授权

US07664446B2 Image forming apparatus and a fixing device having a rigid heat-insulating layer 失效
标题翻译：图像形成装置和具有刚性绝热层的定影装置
公开(公告)号：US07664446B2
公开(公告)日：2010-02-16
申请号：US10438938
申请日：2003-05-16
申请人： Hajime Oyama
发明人： Hajime Oyama
IPC分类号： G03G15/20
CPC分类号： G03G15/2053
摘要： A fixing device for fixing a toner image on a sheet with heat while conveying the sheet of the present invention includes a heat roller or rotatable heating member and a press roller or rotatable pressing member. The heat roller includes a heat-generating layer and a rigid heat-insulting layer positioned inward of the heat-generating layer. The press roller conveys the sheet by nipping it in cooperation with the heat roller.
摘要翻译：用于在输送本发明的片材的同时将调色剂图像定影在片材上的定影装置包括加热辊或可旋转加热构件和加压辊或可旋转的按压构件。加热辊包括位于发热层内部的发热层和刚性隔热层。压辊通过与加热辊协作夹住纸张来传送纸张。

10. 发明申请

US20050191095A1 Developing method, developing device, and image forming apparatus including the developing device that minimizes deterioration of developer 有权
标题翻译：显影方法，显影装置和图像形成装置，其包括使显影剂的劣化最小化的显影装置
公开(公告)号：US20050191095A1
公开(公告)日：2005-09-01
申请号：US11049885
申请日：2005-02-04
申请人： Katsuhiro Aoki , Hajime Oyama , Hiromitsu Takagaki , Hiroshi Ikeguchi
发明人： Katsuhiro Aoki , Hajime Oyama , Hiromitsu Takagaki , Hiroshi Ikeguchi
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
CPC分类号： G03G15/0844
摘要： A developing device includes a carrying roller configured to carry a developer. A storing section is configured to store the developer. A supplying roller is configured to supply the developer to the carrying roller by contacting the developer to the carrying roller, the supplying roller extending substantially parallel to the carrying roller. A conveying unit is configured to convey the developer stored in the storing section to the supplying roller. The conveying unit includes a pump with a stator having a through-hole, and a rotor disposed in the through-hole of the stator and spirally extended such that a cavity to convey the developer is formed between an outer peripheral surface of the rotor and an inner peripheral surface of the through-hole of the stator, the rotor being configured to convey the developer in the cavity in an axial direction of the rotor by eccentrically rotating. An air supplying unit is configured to supply air to the developer conveyed by the pump to scatter and fluidize the developer.
摘要翻译：显影装置包括构造成承载显影剂的承载辊。存储部分被配置为存储显影剂。供给辊构造成通过使显影剂与承载辊接触而将显影剂供应到承载辊，供给辊基本上平行于承载辊延伸。输送单元构造成将存储在存储部中的显影剂输送到供给辊。输送单元包括具有通孔的定子的泵和设置在定子的通孔中并且螺旋地延伸的转子，使得在转子的外周面和定子的通孔的内周面，转子构造成通过偏心旋转在转子的轴向方向上输送空腔中的显影剂。空气供给单元构造成将空气供给到由泵输送的显影剂以使显影剂分散和流化。

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