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    • 34. 发明授权
    • Friction member for disk assembly, especially for torque converter
    • 用于磁盘组件的摩擦构件,特别适用于变矩器
    • US06247568B1
    • 2001-06-19
    • US09457298
    • 1999-12-09
    • Hiroshi TakashimaYoshihiro Matsuoka
    • Hiroshi TakashimaYoshihiro Matsuoka
    • F16D1372
    • F16H45/02F16D2069/004F16H2041/246F16H2045/0215F16H2045/0278F16H2045/0289
    • A friction member has a pair of friction facings 46a and 46b that are designed to reduce drag torque during operation in a fluid filled chamber. The friction member has a circular friction plate 43 with an aperture at its center and the friction facings 46a and 46b are coupled thereto. The friction member can be part of a lock-up device 4 of a torque converter 1 or a part of a power cut-off clutch 102 of a torque converter. The friction member has a first friction facing 46a that is formed of an annular and flat main body. The main body has a first surface fixedly coupled to the friction plate 43 and a second surface on the opposite side with a plurality of grooves 81. The grooves 81 extend through from the inner periphery to the outer periphery and having bent portions 83 and 85 at a middle area. In another embodiment, a friction member is provided with friction facings 141 and 142 with center apertures, which are rotatable in a fluid chamber around a central axis to suppress lowering of fluid pressure due to rotation. The annular friction surfaces of the facings 141 and 142 are provided with a plurality of grooves 190. Each of the grooves 190 extends from the inner periphery to the outer periphery and has a bent portion at a middle area. The bent portion of the groove 190 is formed of radially outer and inner grooves and has a V-shaped opening in the rotating direction of the friction facings. The bent portion prohibits the rapid flow of fluid through the groove. Consequently, lowering of the fluid pressure can be suppressed.
    • 摩擦构件具有一对摩擦面46a和46b,该对摩擦面46a和46b被设计成在流体填充室中的操作期间减小阻力矩。 摩擦构件具有在其中心具有孔的圆形摩擦片43,并且摩擦面46a和46b与其连接。 摩擦构件可以是变矩器1的锁定装置4或变矩器的动力切断离合器102的一部分的一部分。 摩擦构件具有由环形和平坦主体形成的面向第一摩擦面46a。 主体具有固定地联接到摩擦板43的第一表面和具有多个凹槽81的相对侧上的第二表面。凹槽81从内周向外周延伸,并且弯曲部分83和85在 一个中间区域 在另一个实施例中,摩擦构件设置有具有中心孔的摩擦面141和142,中心孔可在围绕中心轴线的流体室中旋转,以抑制由于旋转而导致的流体压力的降低。 面板141和142的环形摩擦表面设置有多个凹槽190.每个凹槽190从内周延伸到外周,并且在中间区域具有弯曲部分。 凹槽190的弯曲部分由径向外部和内部凹槽形成,并且在摩擦面的旋转方向上具有V形开口。 弯曲部分禁止流体快速流过凹槽。 因此,可以抑制流体压力的降低。
    • 35. 发明授权
    • Color image forming device which changes developing bias when switching
between developer units
    • 在显影单元之间切换时改变显影偏压的彩色图像形成装置
    • US5826146A
    • 1998-10-20
    • US870555
    • 1997-06-06
    • Takayuki MarutaHiroshi TakashimaTomoji IshikawaKazuyuki SugiharaShinji KatoKatsuhiro Kosuge
    • Takayuki MarutaHiroshi TakashimaTomoji IshikawaKazuyuki SugiharaShinji KatoKatsuhiro Kosuge
    • G03G15/01G03G15/06G03G15/08
    • G03G15/0121G03G15/065G03G2215/0177
    • An image forming device includes a plurality of developing devices and a photosensitive drum. Each of the developing devices includes a developer carrying roller. One of the developing devices is moved to a developing position confronting the photosensitive drum which is formed with a latent image. A first developing bias including a d.c. component and an a.c. component is applied to the developer carrying roller and developer on the developer carrying roller is rendered in contact with the latent image on the photosensitive drum so that the latent image is developed. On the other hand, when the developer on the developer carrying roller comes in contact with and separates from the photosensitive drum due to the movement of the developing device, a second developing bias is applied to the developer carrying roller. The second developing bias generates an electric field where the developer on the developer carrying roller is more reluctant to move toward the photosensitive drum as compared with the first developing bias. The second developing bias may include only a d.c. component.
    • 图像形成装置包括多个显影装置和感光鼓。 每个显影装置包括显影剂承载辊。 显影装置中的一个移动到与形成有潜像的感光鼓相对的显影位置。 第一个发展中的偏见包括直流 组件和a.c. 将显影剂承载辊施加到显影剂承载辊上并使显影剂承载辊上的显影剂与感光鼓上的潜像接触,使潜像显影。 另一方面,当显影剂承载辊上的显影剂由于显影装置的移动而与感光鼓接触并与感光鼓分离时,第二显影偏压被施加到显影剂承载辊上。 与第一显影偏压相比,第二显影偏压产生电场,显影剂承载辊上的显影剂更不愿意向感光鼓移动。 第二种发展中的偏见可能只包括直流 零件。
    • 36. 发明授权
    • Method of developing latent electrostatic images and developer-bearing
member
    • 显影静电潜像和显影剂承载部件的方法
    • US5741616A
    • 1998-04-21
    • US339583
    • 1994-11-14
    • Yasuo HiranoJun AotoKazuo NojimaKoji SuzukiHiroshi TakashimaShigekazu EnokiYuichi UenoNaoki Iwata
    • Yasuo HiranoJun AotoKazuo NojimaKoji SuzukiHiroshi TakashimaShigekazu EnokiYuichi UenoNaoki Iwata
    • G03G15/08G03G13/06B32B5/16
    • G03G15/0818G03G2215/0617G03G2215/0861Y10T428/259
    • A method of developing latent electrostatic images and a developer-bearing member for use in the method are disclosed, which method includes the steps of (a) forming numerous micro closed electric fields near the surface of a rotatable developer-bearing member which comprises an electroconductive support and a surface layer formed thereon comprising an electroconductive organic polymeric matrix and numerous minute charge-retainable insulating segments distributed at least one the surface of the surface layer, by electrically charging the surface of the charge-retainable insulating segments; (b) supplying a one-component type developer comprising toner particles to the rotatable developer-bearing member to hold the developer on the rotatable developer-bearing member to hold the developer on the rotatable developer-bearing member by the numerous micro closed electric fields; and (c) bringing the rotatable developer-bearing member near or into contact with a latent-electrostatic-image-bearing member which bears a latent electrostatic image to develop the latent electrostatic image with the one-component developer to a visible toner image.
    • 公开了一种显影静电图像显影方法和用于该方法的显影剂承载部件,该方法包括以下步骤:(a)在可旋转的显影剂承载部件的表面附近形成许多微封闭电场,其包括导电 支撑体和其上形成的表面层,其通过对电荷保持绝缘段的表面进行充电而包含导电有机聚合物基体和分布在表面层的至少一个表面上的许多微小电荷可保持绝缘段; (b)将包含调色剂颗粒的单组分型显影剂供应到可旋转的显影剂承载构件,以将显影剂保持在可转动的显影剂承载构件上,以通过许多微封闭电场将显影剂保持在可转动的显影剂承载构件上; 和(c)使可转动的显影剂承载部件靠近或与承载有静电潜像的静电潜像承载部件接触,以使单组分显影剂显影静电潜像成为可见的调色剂图像。