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公开(公告)号：US20110222921A1
公开(公告)日：2011-09-15
申请号：US13044350
申请日：2011-03-09
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A fixing device for fixing a toner image onto a recording sheet by applying a pressure and a heat during conveying the recording sheet at a nip portion, includes: a fixing member including a heating section; a pressure-applying member forming the nip portion with the fixing member; an air blow duct provided with an air discharge opening which opens toward a vicinity of a recording sheet outlet of the nip portion; and an air blowing section which blows air toward the vicinity, wherein fixing device further includes an air drain path provided with an air suction opening at the vicinity of the outlet of the recording sheet and suctioning the air blown toward the vicinity of the outlet of the recording sheet thereby draining the air. The air drain path is separated from a sheet conveyance path by a separation wall member and formed above the sheet conveyance path.
摘要翻译： 一种定影装置，其特征在于，包括：具有加热部的固定部件，所述固定部件通过在记录纸张的夹持部输送时施加压力和热量而将调色剂图像定影到记录片材上; 与所述固定构件形成所述夹持部的加压构件; 吹气管，设置有朝向所述夹持部的记录片材出口附近开口的排气口; 以及将空气吹向附近的送风部，其特征在于，所述定影装置还包括排气路径，所述排气路径在所述记录纸的出口附近设置有吸气口，并且吸入朝向所述记录纸的出口附近吹出的空气 记录纸，从而排出空气。 排气路径通过分隔壁构件与片材输送路径分离，形成在片材输送路径的上方。
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公开(公告)号：US08583017B2
公开(公告)日：2013-11-12
申请号：US13049346
申请日：2011-03-16
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A fixing device including: a fixing member that heats toner image and fixes it onto a recording material; a pressure member that forms a nip that presses the recording material against the fixing member; a first air separating section that blows air against the fixing member and separates the recording sheet from the fixing member; and a separation claw that separates the recording material from the pressure member, wherein a tip of the separation claw contacts the pressure member at a position which is downstream, in a direction of movement of a surface of the pressure member, of a peak of an air blast pressure distribution on a surface of the pressure member, and wherein the air blast pressure distribution is formed by air blown against the pressure member which is caused by the air blown by the first air separating section against the fixing member.
摘要翻译： 一种定影装置，包括：固定构件，其加热调色剂图像并将其固定到记录材料上; 压力构件，其形成将记录材料压靠在固定构件上的辊隙; 第一空气分离部，其将空气吹向所述固定部件，并将所述记录片材与所述固定部件分离; 以及分离爪，其将记录材料与压力构件分离，其中分离爪的尖端在压力构件的表面的运动方向的下游位置处接触压力构件， 在压力构件的表面上的空气鼓风压力分布，并且其中所述鼓风压力分布由通过由所述第一空气分离部分吹送的空气相对于所述固定构件而被吹送到所述压力构件的空气形成。
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公开(公告)号：US08433229B2
公开(公告)日：2013-04-30
申请号：US12903810
申请日：2010-10-13
IPC分类号： G03G15/20
CPC分类号： G03G21/206 , G03G15/2028 , G03G15/6573 , G03G2221/1645
摘要： A fixing device including: a fixing member that is heated; a pressure member to form a nip portion between the pressure member and the fixing member; first blowing unit and second blowing unit both located close to an outlet of the nip portion and separate the recording medium from the fixing member by blowing air to the recording medium, a velocity of the air discharged from the first unit is higher than that of the air discharged from the second unit, whereas a volume of the air discharged from the first unit is smaller than that of the air discharged from the second unit; and the first unit starts discharging air before a leading edge of the recording medium reaches the outlet of the nip portion, whereas the second unit starts discharging air after the leading edge of the recording medium has passed through the outlet of the nip portion.
摘要翻译： 一种定影装置，包括：加热的固定构件; 压力构件，其在所述压力构件和所述固定构件之间形成压合部; 第一吹风单元和第二吹风单元都位于接近压合部分的出口处，并且通过向记录介质吹送空气将记录介质与固定构件分开，从第一单元排出的空气的速度高于 从第二单元排出的空气，而从第一单元排放的空气的体积小于从第二单元排出的空气的体积; 并且第一单元在记录介质的前缘到达夹持部分的出口之前开始排出空气，而第二单元在记录介质的前缘通过夹持部分的出口之后开始排出空气。
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公开(公告)号：US08340560B2
公开(公告)日：2012-12-25
申请号：US12857927
申请日：2010-08-17
IPC分类号： G03G15/20
CPC分类号： G03G15/2028 , G03G2215/2032
摘要： A fixing device including: a heated fixing member to fix a toner image on a recording medium; a pressing member to form a nip portion between the pressing member and the fixing member; a first blowing unit that blows air to a position close to a leading edge of the recording medium; and a second blowing unit that blows air to the recording medium, wherein a discharge pressure of the air discharged by the first blowing unit is larger than that of the air ejected by the second blowing unit; a discharged air volume discharged by the first blowing unit is less than that discharged by the second blowing unit; and a first discharge port from which air is blown by the first blowing unit is arranged upstream of a second discharge port from which air is blown by the second blowing unit.
摘要翻译： 一种定影装置，包括：加热的固定构件，用于将调色剂图像定影在记录介质上; 加压构件，其在所述按压构件和所述固定构件之间形成夹持部; 第一吹送单元，其将空气吹送到靠近记录介质的前缘的位置; 以及第二吹送单元，其将空气吹向记录介质，其中由所述第一吹送单元排出的空气的排出压力大于由所述第二吹送单元喷射的空气的排出压力; 由第一吹送单元排出的排出空气量小于由第二吹送单元排出的排出空气量; 并且由第一吹送单元吹送空气的第一排出口布置在第二排出口的上游，第二排出口由第二吹送单元吹送空气。
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公开(公告)号：US20110091249A1
公开(公告)日：2011-04-21
申请号：US12903810
申请日：2010-10-13
IPC分类号： G03G15/20
CPC分类号： G03G21/206 , G03G15/2028 , G03G15/6573 , G03G2221/1645
摘要： A fixing device including: a heated fixing member; a pressure member to form a nip portion between the pressure member and the fixing member; first blowing unit and second blowing unit both located close to an outlet of the nip portion and separate the recording medium from the fixing member by blowing air to the recording medium, wherein a velocity of the air discharged from the first unit is higher than that of the air discharged from the second unit, whereas a volume of the air discharged from the first unit is smaller than that of the air discharged from the second unit; and the first unit starts discharging air before a leading edge of the recording medium reaches the outlet of the nip portion, whereas the second unit starts discharging air after the leading edge of the recording medium has passed through the outlet of the nip portion.
摘要翻译： 一种定影装置，包括：加热的固定构件; 压力构件，其在所述压力构件和所述固定构件之间形成压合部; 第一吹送单元和第二吹送单元都位于接近压区部分的出口处，并且通过向记录介质吹送空气将记录介质与固定构件分离，其中从第一单元排出的空气的速度高于 从第二单元排放的空气，而从第一单元排出的空气的体积比从第二单元排出的空气的体积小; 并且第一单元在记录介质的前缘到达夹持部分的出口之前开始排出空气，而第二单元在记录介质的前缘通过夹持部分的出口之后开始排出空气。
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公开(公告)号：US20110033214A1
公开(公告)日：2011-02-10
申请号：US12850396
申请日：2010-08-04
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A fixing device including: a fixing member; a pressing member to form a nip portion between the pressing member and the fixing member, wherein the fixing member and the pressing member sandwich a recording medium, fix a toner image on the recording medium and convey the recording medium; a detection unit for detecting that a leading edge of the recording medium is located at the nip portion; a first air jetting unit for separating the recording medium from the fixing member by jetting air only to a position close to the leading edge of the recording medium having passed the nip portion based on the detection result by the detection unit; and a second jetting unit for jetting air to the recording medium whose leading edge has passed through the nip portion.
摘要翻译： 一种定影装置，包括：固定构件; 压紧构件，其在所述按压构件和所述固定构件之间形成压合部，其中所述固定构件和所述按压构件夹着记录介质，将调色剂图像定影在所述记录介质上并传送所述记录介质; 用于检测所述记录介质的前缘位于所述夹持部处的检测单元; 第一空气喷射单元，用于基于检测单元的检测结果，将记录介质从固定构件分离，仅将空气喷射到靠近经过夹持部的记录介质的前端的位置; 以及用于将空气喷射到其前缘已经通过夹持部的记录介质的第二喷射单元。
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公开(公告)号：US08634752B2
公开(公告)日：2014-01-21
申请号：US12910410
申请日：2010-10-22
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A fixing device fixing a toner image on a recording material includes a first blowing section that blows air against a leading edge of the recording material that has passed through a nip portion formed by a heated fixing member and a pressing member kept in pressure contact with the fixing member, and a second blowing section that blows air against the recording material that has passed through the nip portion, wherein an air speed of air blown out from a first blowing outlet is higher than that of air blown out from a second blowing outlet, wherein an air flow amount from the first blowing outlet is less than that from the second blowing outlet, and wherein the first and second blowing outlets are arranged at a same positional height next to one another along a rotational axis of the fixing roller.
摘要翻译： 将调色剂图像固定在记录材料上的定影装置包括：第一吹风部，其将空气吹向已经通过由加热的固定部件形成的辊隙部的记录材料的前端，以及与该保持压力接触的压紧部件 以及第二吹送部，其将空气吹过已经通过所述夹持部的记录材料，其中从第一吹出口吹出的空气的空气速度高于从第二吹出口吹出的空气的空气速度， 其中来自所述第一吹出口的空气流量小于来自所述第二吹出口的空气流量，并且其中所述第一吹出口和所述第二吹出口沿着所述定影辊的旋转轴线彼此相邻布置在相同的位置高度处。
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公开(公告)号：US08385798B2
公开(公告)日：2013-02-26
申请号：US12850396
申请日：2010-08-04
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A fixing device including: a fixing member; a pressing member to form a nip portion between the pressing member and the fixing member, wherein the fixing member and the pressing member sandwich a recording medium, fix a toner image on the recording medium and convey the recording medium; a detection unit for detecting that a leading edge of the recording medium is located at the nip portion; a first air jetting unit for separating the recording medium from the fixing member by jetting air only to a position close to the leading edge of the recording medium having passed the nip portion based on the detection result by the detection unit; and a second jetting unit for jetting air to the recording medium whose leading edge has passed through the nip portion.
摘要翻译： 一种定影装置，包括：固定构件; 压紧构件，其在所述按压构件和所述固定构件之间形成压合部，其中所述固定构件和所述按压构件夹着记录介质，将调色剂图像定影在所述记录介质上并传送所述记录介质; 用于检测所述记录介质的前缘位于所述夹持部处的检测单元; 第一空气喷射单元，用于基于检测单元的检测结果，将记录介质从固定构件分离，仅将空气喷射到靠近经过夹持部的记录介质的前端的位置; 以及用于将空气喷射到其前缘已经通过夹持部的记录介质的第二喷射单元。
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公开(公告)号：US08559858B2
公开(公告)日：2013-10-15
申请号：US13225913
申请日：2011-09-06
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2032
摘要： A fixing device includes: a fixing belt which is supported by one or more rollers; and a fixing roller which is in pressed contact with at least one of the rollers across the fixing belt, wherein the fixing roller includes a core portion which is rotatably provided, an elastic portion which covers the core portion so as to form a cylindrical shape with a rotation axis of the core portion being defined as a center, and a release portion which covers a cylindrical outer peripheral surface of the elastic portion, and an end of the elastic portion in a direction along the rotation axis and an end of the release portion in the direction along the rotation axis project from an end of the core portion, in the direction along the rotation axis, at a part where the core portion and the elastic portion are in contact with each other.
摘要翻译： 定影装置包括：由一个或多个辊支撑的定影带; 以及与所述定影带中的至少一个辊压接的定影辊，其中所述定影辊包括可旋转地设置的芯部，弹性部分覆盖所述芯部以形成圆筒形状， 芯部的旋转轴线被定义为中心，并且释放部分覆盖弹性部分的圆柱形外周表面，弹性部分的沿着旋转轴线的方向的端部和释放部分的端部 沿着旋转轴线的方向从芯部的端部沿着旋转轴线的方向从芯部和弹性部彼此接触的部分突出。
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公开(公告)号：US20110243619A1
公开(公告)日：2011-10-06
申请号：US13070223
申请日：2011-03-23
申请人： Toshihiro WAZUMI , Jinju Okuno , Koji Yamamoto
发明人： Toshihiro WAZUMI , Jinju Okuno , Koji Yamamoto
IPC分类号： G03G15/20
CPC分类号： G03G15/2028
摘要： A fixing device conveying a sheet carrying a toner image under heating and pressurization at a nip section and fixing the toner image on the sheet comprising; a fixing member provided with a heating member, a pressure member pressing on the fixing member and forming the nip section which sandwiches the sheet carrying the toner image; a blower duct equipped with an outlet opening toward a vicinity of a sheet outlet of the nip section; a blower member for blowing air in a vicinity of the sheet outlet through the blower duct; and a guide device provided with a guide member for guiding the sheet ejected from the nip section arranged on an upper side of a sheet conveyance path; and, further comprising a biasing member for biasing the sheet toward the guide member, in the vicinity of the nip section.
摘要翻译： 一种定影装置，其在夹持部分处加热和加压地输送载有调色剂图像的片材，并将所述调色剂图像定影在所述片材上; 设置有加热构件的固定构件，压在固定构件上的压力构件，并形成夹持承载调色剂图像的片材的夹持部; 鼓风机管道，其具有朝向所述夹持部的片材出口附近的出口开口; 鼓风机构件，用于通过鼓风机管道吹出出纸口附近的空气; 以及引导装置，其具有引导构件，用于引导从布置在片材传送路径的上侧的夹持区域排出的片材; 并且还包括用于在所述夹持部分附近朝向所述引导构件偏压所述片材的偏置构件。
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