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    • 3. 发明授权
    • Developing apparatus using one-component toner
    • 显影装置使用单组分调色剂
    • US6154627A
    • 2000-11-28
    • US256616
    • 1999-02-23
    • Tadashi IwamatsuKazuhiro MatsuyamaToshihiko TakayaAtsushi InoueMasanori YamadaNobuyuki AzumaTakayuki Yamanaka
    • Tadashi IwamatsuKazuhiro MatsuyamaToshihiko TakayaAtsushi InoueMasanori YamadaNobuyuki AzumaTakayuki Yamanaka
    • G03G15/08
    • G03G15/0818
    • An object of the present invention is to prevent an electrical breakdown of a toner layer and an occurrence of overcurrent, thereby preventing quality of image from being degraded at the time of development, when development with one-component toner is conducted using a developing roller of low resistance. The resistance value Rd of a developing roller which carries and conveys one-component toner in a manner of coming into contact with a photoconductor which bears an electrostatic latent image, is defined as Rd=.rho.d.multidot.(Dd1/S1), wherein S1 (cm.sup.2) is an area in which the developing roller comes into contact with the static image bearing member via a toner layer, Dd1 (cm) is a layer thickness of a semiconductive layer which composes the developing roller, and .rho.d (.OMEGA..multidot.cm) is a volume resistivity thereof. The range of the resistance Rd is set as 10.sup.4 5.times.10.sup.7. By using the developing roller of low resistance, excellent development is realized and an electrical breakdown and an overcurrent can be avoided by the resistance value of the toner layer.
    • 本发明的目的是为了防止调色剂层的电击穿和过电流的发生,从而在显影时防止图像质量下降,当使用单组分调色剂进行显影时,使用显影辊 低电阻。 以与静电潜像的感光体接触的方式携带并输送单组分调色剂的显影辊的电阻值Rd被定义为Rd = rho dx(Dd1 / S1),其中S1(cm2 )是显影辊经由调色剂层与静电图像承载部件接触的区域,Dd1(cm)是构成显影辊的半导体层的层厚度,并且rhod(OMEGA xcm)为 体积电阻率。 电阻Rd的范围设定为104 5×107。 通过使用低电阻的显影辊,实现了优异的显影,并且可以通过调色剂层的电阻值避免电击穿和过电流。
    • 4. 发明授权
    • Image developing device using a one-component toner
    • 使用单组分调色剂的图像显影装置
    • US5978635A
    • 1999-11-02
    • US239122
    • 1999-01-28
    • Nobuyuki AzumaTadashi IwamatsuHiroshi TatsumiAtsushi InoueMasanori YamadaTakayuki Yamanaka
    • Nobuyuki AzumaTadashi IwamatsuHiroshi TatsumiAtsushi InoueMasanori YamadaTakayuki Yamanaka
    • G03G15/08
    • G03G15/0815
    • An elastic member for pressing is provided in a prescribed location in an area where the developer carrier comes in contact with the discharging member, in order to bring the discharging member into contact with the developer carrier so that mechanical peeling of the residual developer on the developer carrier is not caused, and the discharging member is provided with a bias power supply for setting bias in a direction imparting to the discharging member a force for electrically drawing the residual developer on the developer carrier away from the developer carrier, and after thus reducing the electric adhesion of the residual developer to the developer carrier, the developer feed member removes the residual developer on the developer carrier in the vicinity of disjunction area or in the contact area of the developer carrier and the developer feed member, thereafter applies new developer in a developer container to the developer carrier in the vicinity of approaching area or in the contact-starting area of the developer carrier and the developer feed member.
    • 用于按压的弹性构件设置在显影剂载体与排出构件接触的区域中的规定位置,以使排出构件与显影剂载体接触,从而使显影剂上的残余显影剂机械剥离 不会引起载体,并且放电构件设置有偏置电源,用于在施加到排出构件的方向上设置用于将显影剂载体上的残余显影剂电离拉离显影剂载体的力,并且在此之后减少 残余显影剂对显影剂载体的电粘附,显影剂供给构件在分离区附近或显影剂载体和显影剂进料构件的接触区域中除去显影剂载体上的残余显影剂,然后将新显影剂施加到 开发商容器到接近区域附近的开发商承运人 显影剂载体和显影剂进料构件的触觉起始区域。
    • 5. 发明授权
    • Blade for a developing device and methods of making the same
    • 用于开发设备的刀片及其制造方法
    • US06330416B1
    • 2001-12-11
    • US09323811
    • 1999-06-02
    • Masanori YamadaTetsurou ToyoshimaTadashi IwamatsuNobuyuki Azuma
    • Masanori YamadaTetsurou ToyoshimaTadashi IwamatsuNobuyuki Azuma
    • G03G1508
    • G03G15/0812
    • A developing device and a blade of the developing device, includes a contact section which is in plane contact with a development roller, and an inclined section which extends from an end of the contact section so as to form a flare at an inflow section of a one-component developer between the blade and development roller. When a flare angle between the blade having the flare and a line tangent to the development roller is denoted by a tilt angle &thgr;, 30°≦&thgr;≦90°. Thus, if the flare angle at the inflow section of the one-component developer between the blade and development roller is optimized, even when the one-component developer deteriorates with time, for example, the flowability is changed with time, it is possible to provide a developing device and a blade of the developing device capable of forming a one-component developer layer with an extremely stable deposit of one-component developer. Moreover, it is possible to provide a blade which can increase the dimensional tolerance of the inclined section and can be produced easily at a low cost.
    • 显影装置的显影装置和叶片包括与显影辊平面接触的接触部分和从接触部分的端部延伸以在其中的一个流体部分形成一个喇叭口的倾斜部分 叶片和显影辊之间的单组分显影剂。 当具有喇叭口的叶片和与显影辊相切的直线之间的喇叭角由倾斜角θ表示时,30°<θ= 90°。 因此,如果叶片和显影辊之间的单组分显影剂的流入部分处的扩口角度最优化,即使当单组分显影剂随时间劣化时,例如流动性随时间变化, 提供能够形成具有非常稳定的单组分显影剂沉积物的单组分显影剂层的显影装置和显影装置的叶片。 此外,可以提供能够提高倾斜部的尺寸公差的叶片,并且能够以低成本容易地制造。
    • 7. 发明授权
    • Semiconductor laser device and semiconductor laser assembly
    • 半导体激光器件和半导体激光器组件
    • US07720122B2
    • 2010-05-18
    • US11111969
    • 2005-04-22
    • Koichi MatsushitaMasanori YamadaHironobu MiyasakaKazuya Tsunoda
    • Koichi MatsushitaMasanori YamadaHironobu MiyasakaKazuya Tsunoda
    • H01S3/04
    • H01S5/02244H01S5/02264H01S5/02469H01S5/4087
    • Semiconductor laser assembly 1 is provided with semiconductor laser device 6 and heat dissipation member 24. Semiconductor laser device 6 includes semiconductor laser element 15, lead-frame 11, lower and upper enclosures 18 and 19 and plate-like spring 21 connected to lead-frame 11. Semiconductor laser element 15 is mounted on lead-frame 11 through sub-mounting member 16. Lower and upper enclosures 18 and 19 have an opening through which laser beams from semiconductor laser element 15 are emitted. Plate-like spring 21 is connected to lead-frame 11 and has wing and holding portions 22 and 23. Holding portion 23 is a C-character in cross section to put lower and upper enclosures 18 and 19 together. Heat dissipation member 24 has inside walls to define perforation 25, so that wing portions 22 of plate-like spring 21 pushes semiconductor laser device 6 against the inside walls of heat dissipation member 24 when the semiconductor laser device 6 is set in perforation 25.
    • 半导体激光器组件1设置有半导体激光装置6和散热构件24.半导体激光装置6包括半导体激光元件15,引线框架11,下部和上部外壳18和19以及连接到引线框架的板状弹簧21 半导体激光元件15通过副安装部件16安装在引线框架11上。下部和上部外壳18和19具有一个开口,通过该开口来射出来自半导体激光元件15的激光束。 板状弹簧21连接到引线框架11并具有翼和保持部22和23.保持部23是将上下壳体18和19放在一起的横截面的C字符。 散热构件24具有内壁以限定穿孔25,使得当半导体激光装置6设置在穿孔25中时,板状弹簧21的翼部22将半导体激光装置6推压到散热构件24的内壁。
    • 8. 发明授权
    • Transfer endless belt device applied to image forming apparatus
    • 传送环形皮带装置应用于图像形成装置
    • US07561840B2
    • 2009-07-14
    • US10595285
    • 2004-10-01
    • Shigenori MorimotoMasanori YamadaYasuhiro Takai
    • Shigenori MorimotoMasanori YamadaYasuhiro Takai
    • G03G15/01
    • G03G15/0131G03G2215/00143G03G2215/0119G03G2215/0154
    • First eccentric cams for abutting an inner circumferential surface of an intermediate image transferring belt, second eccentric cams for rotating as a unit with the first eccentric cams, cam followers for abutting a circumferential surface of the second eccentric cam, and transmitting members for holding image transferring rollers, moving in response to the cam followers are disposed within a loop-shaped moving path formed by an intermediate image transferring belt, which is stretched across a driving roller and a driven roller. The vertical position of the image transferring rollers, which are held by the transmitting members, changes in accordance with the abutting state of the first eccentric cams with respect to an inner circumferential surface of the intermediate image transferring belt.
    • 用于抵接中间图像传送带的内周面的第一偏心凸轮,用于与第一偏心凸轮一体旋转的第二偏心凸轮,用于邻接第二偏心凸轮的圆周表面的凸轮从动件和用于保持图像转印的传递部件 响应于凸轮从动件而移动的滚子设置在由中间图像传送带形成的环形移动路径中,该中间图像传送带被拉伸横跨驱动辊和从动辊。 根据第一偏心凸轮相对于中间图像传送带的内周面的抵接状态,由传递部件保持的图像传送辊的垂直位置发生变化。