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21. 发明授权

US6167227A Developing unit and image forming apparatus 有权
标题翻译：显影单元和成像设备
公开(公告)号：US6167227A
公开(公告)日：2000-12-26
申请号：US421118
申请日：1999-10-19
申请人： Syouichi Fujita , Itaru Kawabata , Toshio Nishino , Hirofumi Sakita , Hideji Saiko , Mitsuru Tokuyama
发明人： Syouichi Fujita , Itaru Kawabata , Toshio Nishino , Hirofumi Sakita , Hideji Saiko , Mitsuru Tokuyama
IPC分类号： F16C13/00 , G03G15/08 , G03G21/10
CPC分类号： G03G21/12 , G03G15/0877
摘要： A developing unit and an image forming apparatus includes drive and control mechanisms for the conveyance of collected toner and fresh toner in an uncomplicated structure and an uncomplicated toner supplying roller structure for the reduction in manufacturing cost. Fresh toner and collected toner stored in housing parts of a toner housing are discharged from an outlet via openings formed in a partitioning member for forwarding to a developing section by a toner supplying roller disposed to confront the outlet. The toner supplying roller is provided in common to fresh toner and collected toner. The toner supplying roller includes a single rotary shaft and a plurality of composite members which are fit into the rotary shaft. Each of the composite members has a cylindrical hollow body and a cylindrical elastic body which is fit onto the outer peripheral surface of the hollow body. The composite members are disposed correspondingly to the housing parts.
摘要翻译：显影单元和图像形成装置包括用于以不复杂的结构传送收集的调色剂和新鲜调色剂的驱动和控制机构以及用于降低制造成本的不复杂的调色剂供给辊结构。存储在调色剂壳体的壳体部分中的新鲜调色剂和收集的调色剂通过形成在分隔构件中的开口从出口排出，用于通过设置在出口处的调色剂供应辊转发到显影部分。调色剂供应辊与新鲜的调色剂和收集的调色剂共同提供。调色剂供给辊包括单个旋转轴和配合到旋转轴中的多个复合构件。每个复合构件具有圆柱形中空体和装配在中空体的外周表面上的圆柱形弹性体。复合构件相对于壳体部件设置。

22. 发明授权

US5510882A Developing device having an improved agitation and conveyance device 失效
标题翻译：具有改进的搅拌和输送装置的显影装置
公开(公告)号：US5510882A
公开(公告)日：1996-04-23
申请号：US352620
申请日：1994-12-09
申请人： Shinji Kikuta , Motoyuki Fukuda , Tsutomu Nagata , Toshio Nishino , Akihiko Ichiba
发明人： Shinji Kikuta , Motoyuki Fukuda , Tsutomu Nagata , Toshio Nishino , Akihiko Ichiba
IPC分类号： G03G15/09 , G03G15/08 , G03G15/06
CPC分类号： G03G15/0822 , G03G2215/0822 , G03G2215/083
摘要： A latent electrostatic image developing device using a developer including a toner and carrier particles has a development housing, in which an upstream agitating/conveying device, a midstream agitating/conveying device, and a downstream agitating/conveying device are disposed. The upstream agitating/conveying device conveys the developer from the central portion in the widthwise direction toward the opposite end portions in the widthwise direction while agitating it, the midstream agitating/conveying device conveys the developer from the opposite end portions in the widthwise direction toward the central portion in the widthwise direction while agitating it, and the downstream agitating/conveying device conveys the developer from the central portion in the widthwise direction toward the opposite end portions in the widthwise direction while agitating it.
摘要翻译：使用包括调色剂和载体颗粒的显影剂的静电潜像显影装置具有显影壳体，其中设置有上游搅拌/输送装置，中游搅拌/输送装置和下游搅拌/输送装置。上游搅拌/输送装置在宽度方向上将宽度方向的中央部分向宽度方向的相对端部输送，同时中流搅拌/输送装置将显影剂从宽度方向的相对端部朝向中央部分在宽度方向上搅动，下游搅拌/输送装置在宽度方向上从宽度方向的中央部分向宽边方向的相对端部输送显影剂，同时搅拌它。

23. 发明申请

US20060188273A1 Development apparatus 有权
标题翻译：开发设备
公开(公告)号：US20060188273A1
公开(公告)日：2006-08-24
申请号：US11175025
申请日：2005-07-06
申请人： Yohichi Takesawa , Shigeki Hayashi , Eiichi Kido , Toshio Nishino
发明人： Yohichi Takesawa , Shigeki Hayashi , Eiichi Kido , Toshio Nishino
IPC分类号： G03G15/08
CPC分类号： G03G15/0856 , G03G15/0858 , G03G15/0891
摘要： A development apparatus comprises an auger conveyor member of stirring and conveying a developer, the gravity of the developer being eccentrically distributed with respect to a center of rotation, a drive transfer member of driving and rotating the auger conveyor member, the drive transfer member being capable of being engaged and disengaged, and a rotation detector of detecting a rotational state of the auger conveyor member. The remaining amount of the developer is detected based on the rotational state detected by the rotation detector. Alternatively, a development apparatus comprises the auger conveyor member and the drive transfer member, in which the eccentric gravity distribution is achieved by a rod-like weight member eccentrically provided with respect to a rotational axis, the auger conveyor member includes a first coil spring having an inner diameter larger than an outer diameter of the weight member, and the first coil spring is inserted around the weight member in a manner which allows the first coil spring to be rotated and limits an angle of rotation of the first coil spring to a predetermined angle. Alternatively, a development apparatus comprises the auger conveyor member and the drive transfer member, in which the auger conveyor member is provided near a development supply roller, and a uniforming member of making the developer uniform is provided in a space portion between the development supply roller and the auger conveyor member.
摘要翻译：显影装置包括搅拌和输送显影剂的螺旋输送器构件，显影剂的重力相对于旋转中心偏心分布，驱动和旋转螺旋输送器构件的驱动传递构件，驱动传递构件能够被接合和分离;以及旋转检测器，其检测螺旋输送器构件的旋转状态。基于由旋转检测器检测到的旋转状态来检测显影剂的剩余量。或者，显影装置包括螺旋输送器构件和驱动传递构件，其中通过相对于旋转轴线偏心设置的杆状配重构件实现偏心重力分配，螺旋输送器构件包括第一螺旋弹簧，第一螺旋弹簧具有内径大于配重构件的外径，并且第一螺旋弹簧以允许第一螺旋弹簧旋转的方式插入到配重构件周围，并将第一螺旋弹簧的旋转角度限制在预定的角度。或者，显影装置包括螺旋输送器构件和驱动传递构件，其中螺旋输送器构件设置在显影供给辊附近，并且使显影剂均匀的均匀构件设置在显影供给辊和螺旋输送机构件。

24. 发明授权

US06421517B1 Toner supply device with rotatable agitating element 有权
标题翻译：带旋转搅拌元件的调色剂供应装置
公开(公告)号：US06421517B1
公开(公告)日：2002-07-16
申请号：US09874214
申请日：2001-06-06
申请人： Toshio Nishino , Yasuyuki Ishiguro , Masatoshi Kaneshige , Hiroshi Tanisawa , Haruko Yoneda , Jun Yamaguchi , Akira Nakakuma , Naotaka Funayama , Tsutomu Nagata , Yoshiaki Sanada
发明人： Toshio Nishino , Yasuyuki Ishiguro , Masatoshi Kaneshige , Hiroshi Tanisawa , Haruko Yoneda , Jun Yamaguchi , Akira Nakakuma , Naotaka Funayama , Tsutomu Nagata , Yoshiaki Sanada
IPC分类号： G03G1508
CPC分类号： G03G15/0875 , G03G15/0877
摘要： The length of a conveying sheet is set to be greater than the rotational radius of an agitating element so that the distal end of the conveying sheet will slide over the inner wall of the toner container. A slider element having a low frictional resistance is attached at the distal end of the conveying sheet. The slider element preferably has a low coefficient of dynamic friction and is preferably made of a soft resilient material having a thickness smaller than the conveying sheet. Cutouts or openings may be preferably formed at the distal part. A multiple number of ribs are attached to the wall surface of the toner container at the highest position at which the wall and the top plate meet. The ribs are arranged apart from each other in the direction parallel to the agitating shaft of the agitating element. Each rib is a plate-like element projected inward from the wall surface in the toner container with its width put in the direction of the spacing. Further the end portions of the ribs on the interior side of the toner container are adapted to form a curved surface smoothly connecting the top plate surface and the wall surface.
摘要翻译：传送片的长度被设定为大于搅拌元件的旋转半径，使得传送片的远端将在调色剂容器的内壁上滑动。具有低摩擦阻力的滑块元件安装在输送片的远端。滑块元件优选地具有低动态摩擦系数，并且优选地由具有小于输送片的厚度的柔软弹性材料制成。切口或开口可以优选地在远端形成。在壁和顶板相交的最高位置处，多个肋连接到调色剂容器的壁表面。肋沿与搅拌元件的搅拌轴平行的方向彼此分开布置。每个肋是从调色剂容器的壁表面向内突出的板状元件，其宽度沿间隔方向。此外，调色剂容器的内侧上的肋的端部适于形成平滑地连接顶板表面和壁表面的曲面。

25. 发明授权

US06415126B2 Developing unit with agitator and conveying sheet for toner 有权
标题翻译：显影单元，带有搅拌器和调色剂输送片
公开(公告)号：US06415126B2
公开(公告)日：2002-07-02
申请号：US09752518
申请日：2001-01-03
申请人： Masatoshi Kaneshige , Yasuyuki Ishiguro , Toshio Nishino , Tsutomu Nagata , Hiroshige Araki , Yoshinori Otsuka
发明人： Masatoshi Kaneshige , Yasuyuki Ishiguro , Toshio Nishino , Tsutomu Nagata , Hiroshige Araki , Yoshinori Otsuka
IPC分类号： G03G1508
CPC分类号： G03G15/0822
摘要： A toner reserve container provided with a toner replenishing roller and a replenishing port which constitute a toner replenishing portion is arranged adjacent to a developing hopper and is provided with a toner conveying unit. The conveying unit includes an agitator rotated about a rotary shaft and a conveying sheet fixed to the agitator and scooping up and conveying toner to the toner replenishing roller. The conveying sheet has a plurality of slits formed close to the end portion where it is fixed to the agitator and extending in the direction from the end portion to the tip end of the conveying sheet. When the conveying sheet is rotated and deformed, the plurality of slits absorb rotational load to keep toner conveyed by the conveying sheet stable for a long period of time.
摘要翻译：设置有构成调色剂补充部分的调色剂补充辊和补充口的调色剂储存容器布置成与显影剂料斗相邻并且设置有调色剂输送单元。输送单元包括围绕旋转轴旋转的搅拌器和固定到搅拌器上的输送片，并且将调色剂向上调色并输送到调色剂补充辊。输送片具有靠近端部形成的多个狭缝，其固定到搅拌器并沿着从输送片的端部到末端的方向延伸。当输送片旋转变形时，多个狭缝吸收旋转负荷，以使输送片输送的调色剂长时间稳定。

26. 发明授权

US06266507B1 Developing device having low turbulence developer flow 有权
标题翻译：具有低湍流显影剂流量的显影装置
公开(公告)号：US06266507B1
公开(公告)日：2001-07-24
申请号：US09393158
申请日：1999-09-10
申请人： Hitoshi Nagahama , Katsuaki Sumida , Toshio Nishino
发明人： Hitoshi Nagahama , Katsuaki Sumida , Toshio Nishino
IPC分类号： G03G1509
CPC分类号： G03G15/09
摘要： A developing device includes: a multiple number of magnetic poles fixed at predetermined positions; a developer sleeve which rotatably encloses the magnetic poles; a doctor blade for regulating the thickness of the developer layer on the developer sleeve; and an agitating roller arranged adjacent to the developer sleeve and agitating and supplying the developer. In this arrangement, the magnetic poles include a development magnetic pole for developing the static latent image on the photoreceptor drum, and a developer conveyance magnetic pole positioned downstream, with resect to the rotational direction of the developer sleeve, of the development magnetic pole. A magnetic element is arranged opposing the developer sleeve outside the developer flow path where the magnetic field of the developer conveyance pole is not effective.
摘要翻译：显影装置包括：固定在预定位置的多个磁极; 可旋转地包围磁极的显影剂套筒; 用于调节显影剂套筒上的显影剂层厚度的刮刀; 以及与显影剂套筒相邻布置并搅拌和供应显影剂的搅拌辊。在这种布置中，磁极包括用于显影感光鼓上的静电潜像的显影磁极和位于显影磁极的显影剂套筒旋转方向的下游的显影剂传送磁极。磁性元件布置成与显影剂输送极的磁场无效的显影剂流动路径外的显影剂套筒相对。

27. 发明授权

US5659859A Developer agitating/conveying device 失效
标题翻译：显影搅拌/输送装置
公开(公告)号：US5659859A
公开(公告)日：1997-08-19
申请号：US467970
申请日：1995-06-06
申请人： Shinji Kikuta , Toshio Nishino , Tsutomu Nagata , Motoyuki Fukuda , Mitsuhiro Kashihara , Akihiko Ichiba
发明人： Shinji Kikuta , Toshio Nishino , Tsutomu Nagata , Motoyuki Fukuda , Mitsuhiro Kashihara , Akihiko Ichiba
IPC分类号： G03G15/08
CPC分类号： G03G15/0822 , G03G2215/0819 , G03G2215/0822 , G03G2215/083
摘要： A developer agitating/conveying device having at least one partition wall disposed within a housing with a developer transfer port at the central portion thereof; a first agitating/conveying member disposed along the partition wall on one side of the partition wall for conveying the developer from the opposite end portions toward the central portion thereof, the first agitating/conveying member having a first helical blade and a second helical blade; and a second agitating/conveying member disposed along the partition wall on the other side of the partition wall for conveying the developer from the central portion toward the opposite end portions thereof, the second agitating/conveying member having a first helical blade and a second helical blade. The first and second helical blades provided on the first agitating/conveying member for helically wound in directions opposite to each other and are constructed such that their respective inner end half pitches overlap with a phase angle of 180 degrees relative to each other so as not to intersect each other.
摘要翻译：一种具有至少一个分隔壁的显影剂搅拌/输送装置，该分隔壁设置在壳体内，在其中心部分处具有显影剂传送口; 所述第一搅拌/输送构件沿着所述隔壁设置在所述分隔壁的一侧上，用于将所述显影剂从所述相对端部朝向其中心部分输送，所述第一搅拌/输送构件具有第一螺旋叶片和第二螺旋叶片; 以及第二搅拌/输送构件，其沿着分隔壁的另一侧的隔壁设置，用于将显影剂从中心部分朝向其相对的端部输送，第二搅动/输送构件具有第一螺旋叶片和第二螺旋叶片刀。第一和第二螺旋叶片设置在第一搅动/输送构件上，用于在彼此相反的方向上螺旋缠绕，并且构造成使得它们各自的内端半间距相对于彼此以180度的相位角重叠，相互交叉

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