公开(公告)号：US08457512B2

公开(公告)日：2013-06-04

申请号：US12564399

申请日：2009-09-22

Applicant: Dong-Jin Seol ,  Jae-Hyuk Lim

Inventor： Dong-Jin Seol ,  Jae-Hyuk Lim

IPC: G03G15/16 ,  G03G15/20 ,  G03G15/00

CPC classification number: G03G15/206

Abstract: Disclosed are a fusing unit capable of a variable fusing pressing force, a control method thereof and an image forming apparatus employing the same. The fusing pressing force may be selectively varied so as to apply a lesser force at the initial stage of the operation of the fusing unit, and may be increased to a desired level of force suitable for fusing operation so as to minimize excessive torque in a driving motor that rotationally drives the fusing device.

Abstract translation: 公开了一种具有可变定影按压力的定影单元，其控制方法和使用该定影单元的图像形成装置。 可以选择性地改变定影按压力，以便在定影单元的操作的初始阶段施加较小的力，并且可以增加到适合于定影操作的期望的力水平，以便最小化驾驶中的过大扭矩 旋转地驱动定影装置的电动机。

公开(公告)号：US20070065190A1

公开(公告)日：2007-03-22

申请号：US11370824

申请日：2006-03-09

Applicant: Dong-Jin Seol ,  Jae-Hyeuk Jeong

Inventor： Dong-Jin Seol ,  Jae-Hyeuk Jeong

IPC: G03G15/20

CPC classification number: G03G15/2053

Abstract: A heating device suitable for use in an image forming apparatus and a fixing apparatus having the same. The heating device comprises heating roller having a double-layered structure of a magnetic layer and a non-magnetic layer; a heat generation unit installed on the inner peripheral surface of the heating roller; a first insulation layer for insulating the heating roller and the heat generation unit; an internal tube installed on the inner peripheral surface of the heat generation unit so that the heat generation unit can be tightly contacted with the heating roller; and a second insulation layer for insulating the heat generation unit and the internal tube. The heating device can make the temperature of the heating roller equalized and maximize the power efficiency because the heating roller has a double-layered structure of a magnetic layer and a non-magnetic layer and the heat generation unit is tightly contacted with the heating roller. The inventive fixing apparatus is provided with such a heating device.

Abstract translation: 适用于图像形成装置的加热装置和具有该加热装置的定影装置。 加热装置包括具有磁性层和非磁性层的双层结构的加热辊; 安装在加热辊的内周面上的发热体单元; 用于使加热辊和发热单元绝缘的第一绝缘层; 安装在发热体的内周面的内管，使得发热体能够与加热辊紧密接触; 以及用于绝热发热单元和内管的第二绝缘层。 加热装置可以使加热辊的温度均匀化并且由于加热辊具有磁性层和非磁性层的双层结构并且发热单元与加热辊紧密接触而使功率效率最大化。 本发明的定影装置设置有这种加热装置。

公开(公告)号：US20080199231A1

公开(公告)日：2008-08-21

申请号：US11843218

申请日：2007-08-22

Applicant: Seung-jun LEE ,  Dong-Jin Seol ,  Dong-Kyun Kang

Inventor： Seung-jun LEE ,  Dong-Jin Seol ,  Dong-Kyun Kang

IPC: G03G15/20

CPC classification number: G03G15/2039 ,  G03G2215/2035

Abstract: A fusing unit is formed along a printing path in an image forming apparatus and fuses an image transferred to a printing medium. The fusing unit includes: a heat source; a nip plate which is heated by the heat source, and comprises a nip part to heat and press the printing medium; and a reflection member to reflect heat generated by the heat source toward the nip part. A belt member is rotatably provided about the heat source, the nip plate and the reflection member, and guides the movement of the printing medium. A driving roller faces the nip part and rotatably drives the belt member. The nip plate and the driving roller form a fusing nip, which quickly heats and provides for quick fusing of a toner image to a printing medium.

Abstract translation: 在图像形成装置中沿着打印路径形成定影单元，并且熔化转印到打印介质上的图像。 定影单元包括：热源; 夹持板，其被热源加热，并且包括用于加热和按压打印介质的辊隙部分; 以及反射构件，用于将由热源产生的热量反射到辊隙部。 带构件围绕热源，夹持板和反射构件可旋转地设置，并且引导打印介质的移动。 驱动辊面对辊隙部分并可旋转地驱动带部件。 夹持板和驱动辊形成定影辊隙，其快速加热并提供将调色剂图像快速熔合到打印介质。

公开(公告)号：US20080003026A1

公开(公告)日：2008-01-03

申请号：US11602987

申请日：2006-11-22

Applicant: Dong-Jin Seol

Inventor： Dong-Jin Seol

IPC: G03G15/20

CPC classification number: G03G15/206 ,  G03G2215/00151 ,  G03G2215/2009

Abstract: An image fixing unit for use in an image forming apparatus for fixing a toner image on a printable medium is provided. The image fixing unit includes a heat roller in which a heater is mounted, a circulating belt tightly engaged with the heat roller and forming a nip through which a printable medium passes, a plurality of guide rollers supporting the circulating belt for rotation of the circulating belt, and bushings formed on both ends of each guide roller and having a regulating portion for preventing the circulating belt from meandering. Protrusions are formed on a surface of the bushings contacting the circulating belt to reduce a contact area between the circulating belt and the bushings. Therefore, the contact area between the traveling circulating belt and the bushings, which are fixed components of the guide rollers, is reduced and wear and tear of the circulating belt and a drive torque for driving the image fixing unit are also thus reduced.

Abstract translation: 提供了一种用于图像形成装置中用于将调色剂图像定影在可打印介质上的图像定影单元。 图像定影单元包括安装有加热器的加热辊，与加热辊紧密接合并形成可打印介质通过的辊隙的循环带，支撑循环带的多个引导辊，用于使循环带 以及形成在每个引导辊的两端上并具有用于防止循环带曲折的调节部分的衬套。 在与循环带接触的衬套的表面上形成突起，以减少循环带和衬套之间的接触面积。 因此，作为导向辊的固定部件的行走循环带与衬套之间的接触面积减少，循环带的磨损和驱动图像定影单元的驱动转矩也因此减小。