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    • 12. 发明授权
    • Thermal fixing device and an image forming device that rapidly executes a fixing operation
    • 热固定装置和快速执行定影操作的图像形成装置
    • US06697597B2
    • 2004-02-24
    • US10252949
    • 2002-09-24
    • Seiichi Senda
    • Seiichi Senda
    • G03G1520
    • G03G15/2042
    • A thermal fixing device and an image forming apparatus having a thermal fixing device being capable of executing a fixing operation rapidly for printing mediums of different sizes with a stable fixing temperature at any time without causing a hot offset is provided. In a first halogen lamp A and a second halogen lamp B, thermal density (A1) of a first heat region corresponding to a first region HX that a small size paper 3a contacts and thermal density (B1) of a first heat region BX, and thermal density (A2) of a second heat region AY corresponding to a second region HY that a large size paper 3b contacts and thermal density (B2) of a second heat region BY are set so as to satisfy conditions that A1>A2 and B1
    • 一种热定影装置和图像形成装置,其具有能够随时稳定地定影温度的不同尺寸的介质进行快速的定影操作而不引起热偏移的热定影装置。 在第一卤素灯A和第二卤素灯B中,对应于小尺寸纸3a接触的第一区域HX的第一热区域的热密度(A1)和第一热区域BX的热密度(B1)以及 第二加热区域AY的热密度(A2)与大尺寸纸3b接触的第二区域HY相对应,第二加热区域BY的热密度(B2)设定为满足A1> A2和B1 < B2和A1 + B1
    • 13. 发明授权
    • Developing unit
    • 开发单位
    • US09122198B2
    • 2015-09-01
    • US13852458
    • 2013-03-28
    • Seiichi SendaShuichi KatoMasanari Yoshikawa
    • Seiichi SendaShuichi KatoMasanari Yoshikawa
    • G03G15/08
    • G03G15/0839G03G15/0865G03G15/0877G03G15/0891G03G15/0896
    • There is provided a developing unit, including: a body defining a developing chamber and a developer accommodating chamber, and a developer delivery member. The body includes a sliding portion, a restoring portion and a colliding portion at the developer accommodating chamber. The developer delivery member includes an elastic member configured to be made a sliding contact with the sliding portion while being curved elastically, configured to be restored elastically at the restoring portion, and configured to collide with the colliding portion. The developer delivery member is configured so that, the elastic member which has been elastically restored at the restoring portion is collided with the colliding portion to generate an air flow and to deliver the developer in the developer accommodating chamber toward the connection port.
    • 提供了一种显影单元,包括:限定显影室和显影剂容纳室的主体和显影剂传送构件。 主体包括滑动部分,恢复部分和在显影剂容纳室处的碰撞部分。 显影剂输送构件包括弹性构件,其构造成与弹性部分滑动接触,同时弹性弯曲,构造成在恢复部分处弹性恢复,并且构造成与碰撞部分碰撞。 显影剂传送构件被构造成使得已经在恢复部分处弹性恢复的弹性构件与碰撞部分碰撞以产生空气流并将显影剂输送到显影剂容纳室中朝向连接端口。
    • 15. 发明授权
    • Fixing device and image-forming apparatus
    • 固定装置和图像形成装置
    • US08412072B2
    • 2013-04-02
    • US13596813
    • 2012-08-28
    • Seiichi SendaMakoto SoudaTomitake AratachiKiyoshi Sugimoto
    • Seiichi SendaMakoto SoudaTomitake AratachiKiyoshi Sugimoto
    • G03G15/16
    • G03G15/206
    • A fixing device for fixing a developed image of developer onto a recording sheet by heating and fusing the developer includes a heating roller, a pressure roller and a driving force input element. The heating roller is configured to be heated by a heat source, such as a halogen heater. The pressure roller is disposed adjacent to the heating roller, such that a recording sheet is fed and conveyed between the pressure roller and the heating roller. The driving force input element is fixed to the pressure roller for causing the pressure roller to rotate. A diameter Dp of the pressure roller and a nip width N between the heating roller and the pressure roller in circumferential directions thereof have a relationship represented by the following expression: 0.24
    • 通过加热和熔融显影剂将显影剂的显影剂固定到记录片材上的定影装置包括加热辊,加压辊和驱动力输入元件。 加热辊被配置为被诸如卤素加热器之类的热源加热。 加压辊与加热辊相邻设置,使得记录纸在加压辊和加热辊之间进给和输送。 驱动力输入元件固定在加压辊上,使加压辊旋转。 加压辊的直径Dp和加热辊与加压辊之间的夹持宽度N在圆周方向上具有由以下表达式表示的关系:0.24
    • 16. 发明授权
    • Image forming apparatus roller configuration
    • 图像形成设备滚筒配置
    • US08010030B2
    • 2011-08-30
    • US12238828
    • 2008-09-26
    • Seiichi SendaMakoto Souda
    • Seiichi SendaMakoto Souda
    • G03G21/16
    • G03G15/206G03G2215/2009
    • An image forming apparatus, such as a laser printer, may use high levels of heat to form images, and some elements may expand and contract with changing temperatures. An apparatus may include a heat roller disposed against a pressure roller, with an endless belt member enclosing the pressure roller. The belt member may also have different frictional characteristics on an inside and outside of the roller, such that when peripheral speeds change due to expansion of the pressure roller, the belt member may be configured to slip against the pressure roller, and maintain a frictional relationship with the heat roller (or a printing medium, such as paper, that is pinched between the rollers). Additionally, the rotational speed of an axis of the pressure roller may be adjusted to compensate for the thermal expansion.
    • 诸如激光打印机的图像形成装置可以使用高水平的热量来形成图像,并且一些元件可以随着变化的温度而膨胀和收缩。 设备可以包括设置在压力辊上的加热辊,环形带构件包围加压辊。 带部件在辊的内部和外部也可以具有不同的摩擦特性,使得当圆周速度由于加压辊的膨胀而变化时,带部件可以被构造成滑动压力辊并保持摩擦关系 与加热辊(或诸如纸之间的打印介质夹在辊之间)。 此外,可以调节加压辊的轴线的转速以补偿热膨胀。
    • 18. 发明授权
    • Thermal fixing device and image forming apparatus
    • 热固定装置和图像形成装置
    • US07016637B2
    • 2006-03-21
    • US10806159
    • 2004-03-23
    • Seiichi Senda
    • Seiichi Senda
    • G03G15/20
    • G03G15/2064G03G2215/20
    • A thermal fixing device includes: a heating member configured to be in contact with a fixation medium; a first pressing member disposed to face the heating member and applies a force directed toward both sides of the fixation medium in a direction orthogonal to a conveyance direction of the fixation medium by pressing the fixation medium to the heating member; and a second pressing member disposed to face the heating member at a position downstream in the conveyance direction with respect to the first pressing member and applies a force, which is larger than the force of the first pressing member, directed toward both sides of the fixation medium in a direction orthogonal to the conveyance direction.
    • 热定影装置包括:加热部件,被配置为与固定介质接触; 第一按压构件,其设置成面对所述加热构件,并且通过将所述固定介质压向所述加热构件,沿与所述定影介质的输送方向正交的方向施加朝向所述固定介质的两侧的力; 以及第二按压部件,其相对于所述第一按压部件在所述传送方向的下游位置处面对所述加热部件,并施加大于所述第一按压部件的力朝向所述固定件的两侧的力 在与输送方向正交的方向上介质。