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    • 1. 发明申请
    • FUSING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME
    • 熔接装置和具有该装置的图像形成装置
    • US20090092423A1
    • 2009-04-09
    • US12036514
    • 2008-02-25
    • Su-ho SHINDong-woo LeeTae-gyu KimChang-hoon JungTae-hoon KimHwan-hee Kim
    • Su-ho SHINDong-woo LeeTae-gyu KimChang-hoon JungTae-hoon KimHwan-hee Kim
    • G03G15/20
    • G03G15/2064G03G2215/2035
    • A fusing device includes a rotatable pressing roller, a fusing belt to rotate by a rotational force transmitted from the rotatable pressing roller, a nip forming member to contact an inner surface of the fusing belt to form a nip on a contact area between the rotatable pressing roller and the fusing belt, a heating member formed in approximately an internal central portion of the fusing belt to heat the nip forming member and the fusing belt, an inner support member formed within the fusing belt to press a nip part of the nip forming member toward the rotatable pressing roller, and an outer support member formed outside the fusing belt, and both ends of the outer support member being engaged with the inner support member to thereby reinforce the strength of the inner support member and form a path for radiation heat to disperse. The support unit includes an inner support member placed within the belt unit, and an outer support member placed outside the belt unit, both ends of the outer support member being engaged with the inner support member to reinforce the strength of the inner support member and to form a path for a radiation heat to disperse.
    • 定影装置包括可旋转的加压辊,通过从可旋转的加压辊传递的旋转力而旋转的定影带,夹持形成构件,其与定影带的内表面接触,以在可旋转的压制 辊和定影带,形成在定影带的大致中心部分的加热构件,用于加热夹持部件和定影带;形成在定影带内的内部支撑构件,以挤压辊隙形成构件的夹持部分 朝向可旋转的压辊,以及形成在定影带外部的外支撑构件,并且外支撑构件的两端与内支撑构件接合,从而增强内支撑构件的强度,并形成用于辐射热的路径 分散。 支撑单元包括放置在皮带单元内的内支撑构件和设置在皮带单元外部的外支撑构件,外支撑构件的两端与内支撑构件接合以增强内支撑构件的强度, 形成辐射热分散的路径。
    • 3. 发明申请
    • FUSING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME
    • 熔接装置和具有该装置的图像形成装置
    • US20080304882A1
    • 2008-12-11
    • US11934913
    • 2007-11-05
    • Su-ho SHINTae-hoon KIMDong-woo LEETae-gyu KIM
    • Su-ho SHINTae-hoon KIMDong-woo LEETae-gyu KIM
    • G03G15/20
    • G03G15/2053G03G2215/2038
    • A fusing device includes a pressing member, a belt member to rotate in contact with the pressing member, a nip forming member to support the belt member so that nip areas are formed on the pressing member and the belt member at contacting portions thereto, a heating member disposed away from the nip areas, to heat the belt member, and a tension application member to stiffen the belt member so that the heating member is tightly contacted with the belt member. The heating member includes a plate type heating element which is arranged at an upstream side of the nip areas, and to contact an inner circumference of the belt member, in an advancing direction of the fusing belt. The effective width of then nip areas increases, and the increased pressure is exerted to the nip areas, because the fusing belt enters a location where the nip areas are formed in a heated state. Furthermore, heating efficiency of the fusing belt is increased, because the fusing belt is heated while in a tight contact with the heating member. As a result, fusing performance is enhanced.
    • 定影装置包括按压构件,与按压构件接触旋转的带构件,夹持形成构件,用于支撑带构件,使得压区在压接构件和带构件之间在接触部分处形成,加热 远离辊隙区域的构件,以加热带构件;以及张力施加构件,用于加固带构件,使得加热构件与带构件紧密接触。 加热构件包括板状加热元件,其布置在夹持区域的上游侧,并且在定影带的前进方向上接触带构件的内周。 因此,夹紧区域的有效宽度增加,并且增加的压力被施加到辊隙区域,因为定影带进入压区在加热状态下形成的位置。 此外,由于在与加热构件紧密接触的同时加热定影带,因此定影带的加热效率提高。 结果,融合性能得到提高。