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1. 发明申请

US20150116718A1 OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
标题翻译：光学传感器和图像形成装置
公开(公告)号：US20150116718A1
公开(公告)日：2015-04-30
申请号：US14512657
申请日：2014-10-13
申请人： Terumichi OCHI , Takumi WAIDA , Shinji KATO , Toshihiro ISHII , Shuji HIRAI , Takashi FUJITA , Shinichi NAMEKATA , Ryota YAMASHINA , Arinobu YOSHIURA , Motoyoshi YAMANO
发明人： Terumichi OCHI , Takumi WAIDA , Shinji KATO , Toshihiro ISHII , Shuji HIRAI , Takashi FUJITA , Shinichi NAMEKATA , Ryota YAMASHINA , Arinobu YOSHIURA , Motoyoshi YAMANO
IPC分类号： G01N21/47 , G03G15/00
CPC分类号： G03G15/5029 , G01N21/55
摘要： An optical sensor includes a light-emitting unit to emit light onto a measuring object, a regular reflection light receiver to receive regular reflection light from the measuring object out of the light emitted by the light-emitting unit, and a diffuse reflection light receiver to receive diffuse reflection light from the measuring object out of the light emitted by the light-emitting unit. An angle of incidence of the light emitted onto a surface of the measuring object is not smaller than 75° and not larger than 85°. The diffuse reflection light receiver receives, out of the diffuse reflection light from the measuring object, diffuse reflection light having an angle of reflection with respect to a perpendicular to the surface of the measuring object larger than 0° and smaller than an angle of reflection of the regular reflection light with respect to the perpendicular to the surface of the measuring object.
摘要翻译：光学传感器包括：发光单元，用于将光发射到测量对象;正射反射光接收器，用于从发光单元发射的光中接收来自测量对象的规则反射光;漫反射光接收器，从发光单元发出的光中接收来自测量对象的漫反射光。发射到测量对象表面上的光的入射角不小于75°并且不大于85°。漫反射光接收器从测量对象的漫反射光中接收到相对于测量对象表面的垂直方向的反射角大于0°并且小于0°的反射角的漫反射光相对于测量对象表面垂直的正反射光。

2. 发明申请

US20150078770A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150078770A1
公开(公告)日：2015-03-19
申请号：US14474939
申请日：2014-09-02
申请人： Motoyoshi YAMANO , Shinichi Namekata , Ryota Yamashina , Takumi Waida , Shinji Kato , Shuji Hirai , Terumichi Ochi
发明人： Motoyoshi YAMANO , Shinichi Namekata , Ryota Yamashina , Takumi Waida , Shinji Kato , Shuji Hirai , Terumichi Ochi
IPC分类号： G03G15/20 , G03G15/00
CPC分类号： G03G15/2046 , G03G2215/00447 , G03G2215/00751
摘要： An image forming apparatus includes paper trays to contain and feed a recording sheet on which a toner image is transferred; status sensors to detect a storage status of the recording sheet contained in the paper trays; a sheet sensor to detect a smoothness of the recording sheet; a memory to store detection values of the smoothness detected by the sheet sensor; a fixing device to heat and press the toner image transferred onto the recording sheet and fix it onto the recording sheet; and a control circuit to determine a target fixing temperature of the fixing device based on the detection values stored in the memory. The control circuit determines the target fixing temperature for successive recording sheets depending on the detected smoothness, and resets the detection values stored in the memory to zero when the status sensors detect a change in the storage status of the paper trays.
摘要翻译：图像形成装置包括：纸盘，用于容纳并供给其上转印有调色剂图像的记录纸; 状态传感器，用于检测包含在纸盘中的记录纸的存储状态; 用于检测记录纸的平滑度的纸张传感器; 用于存储由片材传感器检测到的平滑度的检测值的存储器; 固定装置，用于加热和按压转印到记录纸上的调色剂图像并将其固定在记录纸上; 以及控制电路，用于基于存储在存储器中的检测值来确定定影装置的目标定影温度。控制电路根据检测到的平滑度确定连续记录片材的目标固定温度，并且当状态传感器检测纸盘的存储状态的变化时，将存储在存储器中的检测值重置为零。

3. 发明申请

US20170131664A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20170131664A1
公开(公告)日：2017-05-11
申请号：US15295275
申请日：2016-10-17
申请人： Kohichi UTSUNOMIYA , Hideo NAGAFUJI , Arinobu YOSHIURA , Yutaka IKEBUCHI , Motoyoshi YAMANO
发明人： Kohichi UTSUNOMIYA , Hideo NAGAFUJI , Arinobu YOSHIURA , Yutaka IKEBUCHI , Motoyoshi YAMANO
IPC分类号： G03G15/20
CPC分类号： G03G15/2025 , G03G15/2053 , G03G2215/2035
摘要： A fixing device includes a fixing rotator that is endless and rotatable in a rotation direction and a heater to heat the fixing rotator. A pressure rotator contacts an outer circumferential surface of the fixing rotator. A nip formation pad presses against the pressure rotator via the fixing rotator to form a fixing nip between the fixing rotator and the pressure rotator. The nip formation pad includes an upstream portion disposed upstream from the fixing nip in the rotation direction of the fixing rotator. A recess is disposed in the upstream portion of the nip formation pad. A friction reducer is sandwiched between the nip formation pad and the fixing rotator and bears a lubricant.

4. 发明申请

US20170115610A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20170115610A1
公开(公告)日：2017-04-27
申请号：US15295574
申请日：2016-10-17
申请人： Arinobu YOSHIURA , Hideo NAGAFUJI , Kohichi UTSUNOMIYA , Yutaka IKEBUCHI , Motoyoshi YAMANO
发明人： Arinobu YOSHIURA , Hideo NAGAFUJI , Kohichi UTSUNOMIYA , Yutaka IKEBUCHI , Motoyoshi YAMANO
IPC分类号： G03G15/20
CPC分类号： G03G15/2025
摘要： A fixing device includes a fixing rotator rotatable in a predetermined direction of rotation and a heater that heats the fixing rotator. A nip formation pad is disposed opposite an inner circumferential surface of the fixing rotator. A pressure rotator presses against the nip formation pad via the fixing rotator to form a fixing nip between the fixing rotator and the pressure rotator. A low-friction member is sandwiched between the nip formation pad and the fixing rotator and bears a lubricant that flows in a flow direction. A thermal absorber is mounted on the inner circumferential surface of the fixing rotator. At least one irregular portion, mounted on the thermal absorber, blocks the lubricant flowing in the flow direction.

5. 发明申请

US20160011548A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：US20160011548A1
公开(公告)日：2016-01-14
申请号：US14790297
申请日：2015-07-02
申请人： Kohichi UTSUNOMIYA , Hideo NAGAFUJI , Yuji ARAI , Arinobu YOSHIURA , Qifeng CUI , Shohei SAITO , Yutaka IKEBUCHI , Motoyoshi YAMANO
发明人： Kohichi UTSUNOMIYA , Hideo NAGAFUJI , Yuji ARAI , Arinobu YOSHIURA , Qifeng CUI , Shohei SAITO , Yutaka IKEBUCHI , Motoyoshi YAMANO
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2042 , G03G15/206 , G03G15/2064 , G03G2215/2035
摘要： A device includes a fixing belt, a holder that holds the fixing belt, a pressing member that comes in contact with the fixing belt, a nip-forming-member arranged inside the fixing belt, that forms a nip by coming in contact with the pressing member, a supporting member that supports the nip-forming-member, a side plate to which the nip-forming-member and the supporting member are fixed, and a pressing mechanism that presses a pressing roller to the nip-forming-member via the fixing belt. The supporting member includes at least two plates. The two plates are separated from each other near a contact portion where the plates come in contact with the nip-forming-member. At least a part of each of the plates is a flat surface parallel to a direction of a load applied by the pressing mechanism. Portions of the two plates on a side distant from the contact portion are joined together.
摘要翻译：一种装置包括定影带，固定定影带的保持器，与定影带接触的按压构件，布置在定影带内部的夹持形成构件，其与压制件接触形成辊隙构件，支撑夹持形成构件的支撑构件，夹持形成构件和支撑构件被固定的侧板;以及按压机构，其通过该夹持构件与压区成形构件定影带支撑构件包括至少两个板。两个板在接触部分附近彼此分开，其中板与辊隙形成部件接触。每个板的至少一部分是平行于由按压机构施加的负载方向的平坦表面。两个板的远离接触部分的一部分接合在一起。

6. 发明申请

US20150261157A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：US20150261157A1
公开(公告)日：2015-09-17
申请号：US14657656
申请日：2015-03-13
申请人： Motoyoshi YAMANO , Kohichi UTSUNOMIYA , Hiromasa TAKAGI , Kenji ISHII , Takayuki SEKI , Keitaro SHOJI , Hideo NAGAFUJI , Yuji ARAI , Arinobu YOSHIURA , Shohei SAITO , Qifeng CUI , Yutaka IKEBUCHI
发明人： Motoyoshi YAMANO , Kohichi UTSUNOMIYA , Hiromasa TAKAGI , Kenji ISHII , Takayuki SEKI , Keitaro SHOJI , Hideo NAGAFUJI , Yuji ARAI , Arinobu YOSHIURA , Shohei SAITO , Qifeng CUI , Yutaka IKEBUCHI
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2028 , G03G15/2042 , G03G2215/2035
摘要： A fixing device includes: a fixing member that is rotatable and in an endless shape; a heat source that heats the fixing member; a nip forming member that is arranged inside the fixing member; and a pressurizing member that is pressurized to be in contact with the nip forming member through the fixing member, to form a fixing nip. The fixing device fixes an unfixed image on a recording medium by passing the recording medium that carries the unfixed image through the fixing nip. The nip forming member includes a base layer, and a high thermal-conductive layer that is arranged on a surface layer of the base layer on a fixing nip side, and that has higher thermal conductivity than the base layer, and in the high thermal-conductive layer, a low thermal-conductive portion is arranged near an end portion in an axial direction of the fixing member.
摘要翻译：定影装置包括：可旋转且呈环状的固定构件; 加热固定部件的热源; 布置在固定部件内的辊隙形成部件; 以及加压部件，其经由所述固定部件加压而与所述辊隙形成部件接触，形成定影辊隙。定影装置通过使携带未定影图像的记录介质通过定影辊隙将未定影图像固定在记录介质上。辊隙形成构件包括基底层和布置在定影辊隙侧的基底层的表面层上并且具有比基底层更高的热导率的高导热层，导电层，低导热部分设置在固定构件的轴向方向上的端部附近。

7. 发明申请

US20150261147A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：US20150261147A1
公开(公告)日：2015-09-17
申请号：US14657406
申请日：2015-03-13
申请人： Yuji ARAI , Hideo NAGAFUJI , Kohichi UTSUNOMIYA , Arinobu YOSHIURA , Shohei SAITO , Qifeng CUI , Yutaka IKEBUCHI , Motoyoshi YAMANO
发明人： Yuji ARAI , Hideo NAGAFUJI , Kohichi UTSUNOMIYA , Arinobu YOSHIURA , Shohei SAITO , Qifeng CUI , Yutaka IKEBUCHI , Motoyoshi YAMANO
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2042 , G03G2215/2035
摘要： A fixing device includes a fixing member configured to be revolvable while being heated by a heat source; a counter rotator configured to form a nip between the fixing member and the counter rotator by applying a pressure to the fixing member in a contact state with the fixing member; a shield member disposed inside the fixing member to partially shield heat from the heat source; and a holding member attached to an end of the fixing member. The shield member includes a spacer configured to define a clearance to allow the holding member to be inserted into the fixing member from an end of the fixing member, the clearance being between the shield member and an inner surface of the end of the fixing member.
摘要翻译：定影装置包括：固定构件，被构造成在被热源加热的同时可旋转; 配置为通过在与所述固定构件接触的状态下对所述固定构件施加压力而在所述固定构件和所述反转子之间形成辊隙的反转器; 屏蔽构件，其设置在所述固定构件的内部，以部分地屏蔽来自所述热源的热量; 以及附接到所述固定构件的端部的保持构件。屏蔽构件包括间隔件，其构造成限定间隙，以允许保持构件从固定构件的端部插入到固定构件中，间隙在屏蔽构件和固定构件的端部的内表面之间。

8. 发明申请

US20160221775A1 PAPER CONVEYING DEVICE AND IMAGE FORMING DEVICE 有权
标题翻译：纸传送装置和图像形成装置
公开(公告)号：US20160221775A1
公开(公告)日：2016-08-04
申请号：US15013272
申请日：2016-02-02
申请人： Arinobu YOSHIURA , Hideo NAGAFUJI , Yuji ARAI , Kohichi UTSUNOMIYA , Kiho SAI , Shohei SAITO , Yutaka IKEBUCHI , Motoyoshi YAMANO
发明人： Arinobu YOSHIURA , Hideo NAGAFUJI , Yuji ARAI , Kohichi UTSUNOMIYA , Kiho SAI , Shohei SAITO , Yutaka IKEBUCHI , Motoyoshi YAMANO
IPC分类号： B65H5/36 , B65H5/06
CPC分类号： B65H5/062 , B65H5/38 , B65H29/52 , B65H2402/31 , B65H2404/611 , B65H2404/693 , B65H2601/11 , G03G15/2028 , G03G15/6529 , G03G15/6573 , G03G2215/00675 , G03G2215/00679
摘要： A paper conveying device includes a conveying guide, a bearing, a conveying-guide facing surface, and a separation restrictor. The conveying guide includes a conveyance surface for conveying paper and a pivot shaft and is swingable about the pivot shaft. The bearing includes a support surface facing at least an upper semiperimeter of the pivot shaft. The conveying-guide facing surface is provided to face an end of the conveying guide when the conveying guide swings. The end is opposite to the conveyance surface. The separation restrictor is provided to the conveying guide to restrict separation of the pivot shaft from the bearing at least in a given swing range of the conveying guide by contacting the conveying-guide facing surface.
摘要翻译：纸张输送装置包括输送引导件，轴承，输送引导件对向表面和分离限制器。输送引导件包括用于输送纸张和枢轴的输送表面，并且可围绕枢轴摆动。所述轴承包括面向所述枢转轴的至少上半部半计的支撑表面。当输送引导件摆动时，输送导向器面向表面设置成面对输送引导件的端部。该端部与输送表面相对。分离限制器被提供到输送引导件，以通过接触传送导向器面向表面至少在输送引导件的给定摆动范围内限制枢转轴与轴承的分离。

9. 发明申请

US20160062286A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：US20160062286A1
公开(公告)日：2016-03-03
申请号：US14836129
申请日：2015-08-26
申请人： Arinobu YOSHIURA , Hideo NAGAFUJI , Yuji ARAI , Yutaka IKEBUCHI , Kohichi UTSUNOMIYA , Motoyoshi YAMANO , Kiho SAI , Shohei SAITO
发明人： Arinobu YOSHIURA , Hideo NAGAFUJI , Yuji ARAI , Yutaka IKEBUCHI , Kohichi UTSUNOMIYA , Motoyoshi YAMANO , Kiho SAI , Shohei SAITO
IPC分类号： G03G15/20
CPC分类号： G03G15/2057 , G03G15/2042 , G03G15/2053 , G03G2215/2035
摘要： A fixing device includes: a rotatable endless belt type fixing member; a pressurizing member that is opposed to the fixing member and rotates; and a nip forming member that is arranged inside the fixing member, and forms a nip part by contact with the pressurizing member through the fixing member. The nip forming member includes: a heat-uniformizing member having bent portions opposed to each other; a heat-insulating member arranged inside the heat-uniformizing member; a heat-absorbing member arranged on an upper surface of the heat-insulating member; and a sliding sheet that covers a nip side of the heat-uniformizing member, and is held between the bent portions of the heat-uniformizing member and the heat-insulating member. The heat-uniformizing member and the heat-insulating member are fastened to each other by fitting a fitting part formed on the heat-uniformizing member to a fitted part formed on the heat-insulating member.
摘要翻译：定影装置包括：可旋转环形带型固定构件; 加压构件，其与所述固定构件相对旋转; 以及辊隙形成构件，其设置在固定构件的内部，并且通过所述固定构件与所述加压构件接触形成咬合部。辊隙形成构件包括：具有彼此相对的弯曲部分的热均匀化构件; 布置在所述热均匀构件内部的绝热构件; 布置在绝热构件的上表面上的吸热构件; 以及覆盖所述热均匀化构件的辊隙侧并且被保持在所述热均匀化构件的弯曲部分和所述绝热构件之间的滑动片材。通过将形成在热均匀化构件上的配合部件配合到形成在绝热构件上的配合部件，将热均匀化构件和隔热构件相互紧固。

10. 发明申请

US20170146933A1 FIXING DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING FIXING DEVICE 有权
公开(公告)号：US20170146933A1
公开(公告)日：2017-05-25
申请号：US15352782
申请日：2016-11-16
申请人： Motoyoshi YAMANO , Tetsuo TOKUDA , Yoshikuni SASAKI , Hiroshi ONO , Hironori YAMAOKA , Ryohhei SUGIYAMA , Kohichi UTSUNOMIYA , Arinobu YOSHIURA , Hideo NAGAFUJI
发明人： Motoyoshi YAMANO , Tetsuo TOKUDA , Yoshikuni SASAKI , Hiroshi ONO , Hironori YAMAOKA , Ryohhei SUGIYAMA , Kohichi UTSUNOMIYA , Arinobu YOSHIURA , Hideo NAGAFUJI
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/2032 , G03G15/2064
摘要： A fixing device includes a heater, a fixing rotator, a pressure rotator to press against the fixing rotator to form a fixing nip between the fixing rotator and the pressure rotator, through which a recording medium is conveyed, a moving device to move the pressure rotator in directions in which the pressure rotator comes into contact with and separates from the fixing rotator, a thermal expansion amount predictor to predict an amount of thermal expansion of the fixing rotator while the recording medium is conveyed, and a nip width adjuster to control a moving distance of the pressure rotator moved by the moving device toward the fixing rotator, depending on the amount of thermal expansion of the fixing rotator predicted by the thermal expansion amount predictor, so as to adjust a width of the fixing nip to maintain a substantially constant width of the fixing nip.

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