Developing device and image forming apparatus including the same
    1.
    发明授权
    Developing device and image forming apparatus including the same 有权
    显影装置和包括其的图像形成装置

    公开(公告)号:US08892006B2

    公开(公告)日:2014-11-18

    申请号:US13342366

    申请日:2012-01-03

    Applicant: Norio Kubo

    Inventor: Norio Kubo

    CPC classification number: G03G15/0893 G03G15/0189 G03G2215/0132

    Abstract: Provided is a developing device including: a first helical blade; a second helical blade formed at the same blade pitch as a blade pitch of the first helical blade; a developer discharge port for discharging surplus developer; and a regulating member formed in a reverse phase with respect to the first helical blade. When a proximity portion is at a position facing a communication portion, a blade apex portion of the second helical blade is arranged to fall within a range of from a position facing an end surface portion of the communication portion on a downstream side of the second conveyance path to a position immediately before a position facing the proximity portion, which is reached in accordance with a phase shift of the second helical blade. A first stirring member and a second stirring member are driven at the same rotational speed.

    Abstract translation: 提供一种显影装置,包括:第一螺旋叶片; 以与所述第一螺旋叶片的叶片间距相同的叶片间距形成的第二螺旋叶片; 用于排出剩余显影剂的显影剂排出口; 以及相对于第一螺旋叶片形成为反相的调节构件。 当邻近部分位于面对通信部分的位置时,第二螺旋叶片的叶片顶部被布置成在第二传送器的下游侧处于与连通部的端面部分相对的位置的范围内 到达靠近邻近部分的位置之前的位置的路径,该位置是根据第二螺旋叶片的相移而到达的。 以相同的转速驱动第一搅拌构件和第二搅拌构件。

    Developing device and image forming apparatus including the same
    2.
    发明授权
    Developing device and image forming apparatus including the same 有权
    显影装置和包括其的图像形成装置

    公开(公告)号:US08744318B2

    公开(公告)日:2014-06-03

    申请号:US13035027

    申请日:2011-02-25

    Abstract: Provided is a developing device including: a developing container partitioned into a stirring-transport chamber, a supplying-transport chamber, and a collecting-transport chamber that are arranged substantially in parallel with one another, for storing a two-component developer; a developer carrying member for carrying the developer on a surface thereof; a supplying-transport member located within the supplying-transport chamber; a stirring-transport member located within the stirring-transport chamber; a collecting-transport member located within the collecting-transport chamber, for stirring and transporting the developer in the same direction as the supplying-transport member and at the different speed from the supplying-transport member; a first developer passage for passing the developer from the stirring-transport chamber to the supplying-transport chamber; a second developer passage for passing the developer from the supplying-transport chamber to the stirring-transport chamber; and a communication portion for passing the developer from the collecting-transport chamber to the supplying-transport chamber.

    Abstract translation: 提供一种显影装置,包括:分隔成搅拌输送室的显影容器,供给输送室和收集输送室,其彼此大致平行地布置,用于储存双组分显影剂; 用于在其表面上承载显影剂的显影剂承载构件; 位于所述供给输送室内的供给输送部件; 位于所述搅拌输送室内的搅拌输送构件; 位于所述收集运送室内的收集运送件,用于沿着与所述供给运送件相同的方向搅拌并运送所述显影剂并且以与所述供应运送件不同的速度运送; 第一显影剂通道,用于将显影剂从搅拌输送室传送到供给输送室; 第二显影剂通道,用于将显影剂从供给输送室传送到搅拌输送室; 以及用于将显影剂从收集运送室传送到供给输送室的连通部。

    Developing device and image-forming apparatus provided therewith
    3.
    发明授权
    Developing device and image-forming apparatus provided therewith 有权
    显影装置和图像形成装置

    公开(公告)号:US08346137B2

    公开(公告)日:2013-01-01

    申请号:US12849373

    申请日:2010-08-03

    CPC classification number: G03G15/0942

    Abstract: A developing device includes a developing container for accommodating a two-component developer; a developer bearing member for bearing and conveying the developer, a fixed magnet including a release pole for releasing the developer from the developer bearing member, being fixed to the inside of the developer bearing member; and a backflow prevention member that is a sheet-shaped member disposed along the entire length in the longitudinal direction of the developer bearing member so as to be upstream in the direction of rotation of the developer bearing member as viewed from the release pole, the backflow prevention member being disposed so that a proximal end portion thereof is fixed to an inside surface of the developing container, and a distal end portion thereof is in contact with or adjacent to the developer bearing member and facing downstream in the direction of rotation of the developer bearing member.

    Abstract translation: 显影装置包括用于容纳双组分显影剂的显影容器; 用于承载和输送显影剂的显影剂承载构件,包括用于将显影剂从显影剂承载构件释放的释放杆的固定磁体固定到显影剂承载构件的内部; 以及防回流构件,其是沿着显影剂承载构件的纵向方向沿整个长度设置的片状构件,以便在从释放极观察时在显影剂承载构件的旋转方向上游,回流 防止构件被设置成使得其近端部分固定到显影容器的内表面,并且其远端部分与显影剂承载构件接触或邻近显影剂承载构件并且在显影剂的旋转方向上面向下游 轴承构件。

    Developing Apparatus and Image Forming Apparatus Including the Same
    4.
    发明申请
    Developing Apparatus and Image Forming Apparatus Including the Same 有权
    显影装置及其成像装置

    公开(公告)号:US20120177412A1

    公开(公告)日:2012-07-12

    申请号:US13343812

    申请日:2012-01-05

    Abstract: A developing apparatus according to the present disclosure is partitioned into a plurality of convey chambers which include a first convey chamber and a second convey chamber which are disposed substantially in parallel with each other, the second convey chamber has a U shape in section, a sensor disposition portion, where a toner concentration sensor is disposed on a bottom surface, is formed in an upstream with respect to a restriction portion in a developer convey direction, across a predetermined width in the developer convey direction including a detection surface of the toner concentration sensor, a distance between curved surface portions on both sides of a U-shaped inner wall surface and the second stir member is wider than another portion of the second stir chamber.

    Abstract translation: 根据本公开的显影装置被分隔成多个输送室,其包括基本上彼此平行设置的第一输送室和第二输送室,第二输送室具有U形截面,传感器 其中调色剂浓度传感器设置在底表面上,在显影剂输送方向上相对于限制部分的上游形成在包括调色剂浓度传感器的检测表面的显影剂输送方向上的预定宽度 U形内壁表面两侧的曲面部分与第二搅拌件之间的距离比第二搅拌室的另一部分宽。

    Developing Device and Image Forming Apparatus Including the Same
    5.
    发明申请
    Developing Device and Image Forming Apparatus Including the Same 有权
    包括其的显影装置和图像形成装置

    公开(公告)号:US20120177411A1

    公开(公告)日:2012-07-12

    申请号:US13342366

    申请日:2012-01-03

    Applicant: Norio KUBO

    Inventor: Norio KUBO

    CPC classification number: G03G15/0893 G03G15/0189 G03G2215/0132

    Abstract: Provided is a developing device including: a first helical blade; a second helical blade formed at the same blade pitch as a blade pitch of the first helical blade; a developer discharge port for discharging surplus developer; and a regulating member formed in a reverse phase with respect to the first helical blade. When a proximity portion is at a position facing a communication portion, a blade apex portion of the second helical blade is arranged to fall within a range of from a position facing an end surface portion of the communication portion on a downstream side of the second conveyance path to a position immediately before a position facing the proximity portion, which is reached in accordance with a phase shift of the second helical blade. A first stirring member and a second stirring member are driven at the same rotational speed.

    Abstract translation: 提供一种显影装置,包括:第一螺旋叶片; 以与所述第一螺旋叶片的叶片间距相同的叶片间距形成的第二螺旋叶片; 用于排出剩余显影剂的显影剂排出口; 以及相对于第一螺旋叶片形成为反相的调节构件。 当邻近部分位于面对通信部分的位置时,第二螺旋叶片的叶片顶部被布置成在第二传送器的下游侧处于与连通部的端面部分相对的位置的范围内 到达靠近邻近部分的位置之前的位置的路径,该位置是根据第二螺旋叶片的相移而到达的。 以相同的转速驱动第一搅拌构件和第二搅拌构件。

    Two component developing agent
    6.
    发明申请
    Two component developing agent 有权
    双组分显影剂

    公开(公告)号:US20070099104A1

    公开(公告)日:2007-05-03

    申请号:US11258905

    申请日:2005-10-27

    Abstract: A two-component developing agent retained on the periphery surface of a magnetic roller 11 and a development roller 12 are brought in contact with each other, the nonmagnetic toner in the two-component developing agent is electrostatically adhered to the periphery surface of the development roller 12, and the nonmagnetic toner on the development roller 12 is sprayed on the periphery surface of a photosensitive drum 13, thereby causing an image of an electrostatic latent image to appear on the photosensitive drum 13 as a toner image. The two-component developing agent for an image forming device thus configured comprises a nonmagnetic toner comprising color particles, and a magnetic carrier, wherein the magnetic carrier has a resin coating layer on the magnetic particle surface, and the critical surface tension of this resin coating layer is 25 dyn/cm or less.

    Abstract translation: 保持在磁性辊11和显影辊12的周面上的双组分显影剂彼此接触,双组分显影剂中的非磁性调色剂被静电粘附到显影辊的周边表面 12,并且显影辊12上的非磁性调色剂被喷涂在感光鼓13的周边表面上,从而使静电潜像的图像作为调色剂图像出现在感光鼓13上。 用于如此构造的图像形成装置的双组分显影剂包括包含着色颗粒的非磁性调色剂和磁性载体,其中磁性载体在磁性颗粒表面上具有树脂涂层,并且该树脂涂层的临界表面张力 层为25dyn / cm以下。

    Stir-transport member, development device provided therewith, and image forming apparatus
    7.
    发明授权
    Stir-transport member, development device provided therewith, and image forming apparatus 有权
    搅拌运送部件,设置有显影装置和图像形成装置

    公开(公告)号:US08781371B2

    公开(公告)日:2014-07-15

    申请号:US13367743

    申请日:2012-02-07

    CPC classification number: G03G15/0893 G03G15/0853 G03G15/0877 G03G2215/083

    Abstract: A stir-transport member is formed on a circumferential surface of a rotation shaft with a first spiral blade, and a second spiral blade formed to overlap the region of the first spiral blade and is opposite the first spiral blade in phase and having a smaller radial-direction height than the first spiral blade. Sections of the spiral blades along the cross longitudinal direction thereof have trapezoidal shapes. The first spiral blade have a plurality of first swell portions, a part of each corresponding to a bottom of the trapezoidal shape and is more swollen than the other portions. The second spiral blade have a plurality of second swell portions, a part of each corresponding to the bottom of the trapezoidal shape and is more swollen than the other portions. The first spiral blade cross the second spiral blade at least at one of the first swell portions per turn.

    Abstract translation: 搅拌输送构件形成在具有第一螺旋叶片的旋转轴的圆周表面上,并且形成为与第一螺旋叶片的区域重叠并且与第一螺旋叶片相对并且具有较小径向的第二螺旋叶片 方向高度高于第一螺旋叶片。 螺旋叶片沿着其横向纵向的截面具有梯形形状。 第一螺旋叶片具有多个第一隆起部分,每个第一隆起部分的一部分对应于梯形底部的底部并且比其它部分更肿胀。 第二螺旋叶片具有多个第二隆起部分,每个第二隆起部分的一部分对应于梯形底部的底部并且比其它部分更肿胀。 第一螺旋叶片至少在每一圈的第一隆起部分中的一个处穿过第二螺旋叶片。

    Developing device and image forming apparatus including the same
    8.
    发明授权
    Developing device and image forming apparatus including the same 有权
    显影装置和包括其的图像形成装置

    公开(公告)号:US08559854B2

    公开(公告)日:2013-10-15

    申请号:US13043601

    申请日:2011-03-09

    CPC classification number: G03G15/0896 G03G15/0822 G03G2215/0822

    Abstract: A developing device includes: a developing container partitioned into a stirring-transport chamber, a supplying-transport chamber, and a collecting-transport chamber; a developer carrying member for carrying the developer on a surface thereof; a supplying-transport member located within the supplying-transport chamber; a stirring-transport member located within the stirring-transport chamber, for stirring and transporting the developer in a reverse direction to the supplying-transport member; a collecting-transport member located within the collecting-transport chamber, for stirring and transporting the developer in the same direction as the supplying-transport member; a first developer passage for passing the developer from the stirring-transport chamber to the supplying-transport chamber; a second developer passage for passing the developer from the supplying-transport chamber to the stirring-transport chamber, in which a communication portion for passing the developer from the collecting-transport chamber to the supplying-transport chamber is provided on an upstream side of the second developer passage in terms of a developer transporting direction.

    Abstract translation: 显影装置包括:分隔成搅拌输送室的显影容器,供给输送室和收集输送室; 用于在其表面上承载显影剂的显影剂承载构件; 位于所述供给输送室内的供给输送部件; 位于所述搅拌输送室内的搅拌输送构件,用于将所述显影剂沿相反方向搅拌并输送到所述供给输送构件; 位于收集运送室内的收集运送件,用于沿与供给运送件相同的方向搅拌和运送显影剂; 第一显影剂通道,用于将显影剂从搅拌输送室传送到供给输送室; 第二显影剂通道,用于将显影剂从供给输送室传送到搅拌输送室,在该搅拌输送室中,将显影剂从收集运送室传送到供给输送室的连通部设置在 在显影剂输送方向上的第二显影剂通道。

    STIR-TRANSPORT MEMBER, DEVELOPMENT DEVICE PROVIDED THEREWITH, AND IMAGE FORMING APPARATUS
    9.
    发明申请
    STIR-TRANSPORT MEMBER, DEVELOPMENT DEVICE PROVIDED THEREWITH, AND IMAGE FORMING APPARATUS 有权
    STIR运输会员,提供的开发设备和图像形成设备

    公开(公告)号:US20120201573A1

    公开(公告)日:2012-08-09

    申请号:US13367743

    申请日:2012-02-07

    CPC classification number: G03G15/0893 G03G15/0853 G03G15/0877 G03G2215/083

    Abstract: A stir-transport member is formed on a circumferential surface of a rotation shaft with a first spiral blade, and a second spiral blade formed to overlap the region of the first spiral blade and is opposite the first spiral blade in phase and having a smaller radial-direction height than the first spiral blade. Sections of the spiral blades along the cross longitudinal direction thereof have trapezoidal shapes. The first spiral blade have a plurality of first swell portions, a part of each corresponding to a bottom of the trapezoidal shape and is more swollen than the other portions. The second spiral blade have a plurality of second swell portions, a part of each corresponding to the bottom of the trapezoidal shape and is more swollen than the other portions. The first spiral blade cross the second spiral blade at least at one of the first swell portions per turn.

    Abstract translation: 搅拌输送构件形成在具有第一螺旋叶片的旋转轴的圆周表面上,并且形成为与第一螺旋叶片的区域重叠并且与第一螺旋叶片相对并且具有较小径向的第二螺旋叶片 方向高度高于第一螺旋叶片。 螺旋叶片沿着其横向纵向的截面具有梯形形状。 第一螺旋叶片具有多个第一隆起部分,每个第一隆起部分的一部分对应于梯形底部的底部并且比其它部分更肿胀。 第二螺旋叶片具有多个第二隆起部分,每个第二隆起部分的一部分对应于梯形底部的底部并且比其它部分更肿胀。 第一螺旋叶片至少在每一圈的第一隆起部分中的一个处穿过第二螺旋叶片。

    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
    10.
    发明申请
    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME 有权
    开发设备和图像形成装置,包括它们

    公开(公告)号:US20110222913A1

    公开(公告)日:2011-09-15

    申请号:US13043601

    申请日:2011-03-09

    CPC classification number: G03G15/0896 G03G15/0822 G03G2215/0822

    Abstract: A developing device includes: a developing container partitioned into a stirring-transport chamber, a supplying-transport chamber, and a collecting-transport chamber; a developer carrying member for carrying the developer on a surface thereof; a supplying-transport member located within the supplying-transport chamber; a stirring-transport member located within the stirring-transport chamber, for stirring and transporting the developer in a reverse direction to the supplying-transport member; a collecting-transport member located within the collecting-transport chamber, for stirring and transporting the developer in the same direction as the supplying-transport member; a first developer passage for passing the developer from the stirring-transport chamber to the supplying-transport chamber; a second developer passage for passing the developer from the supplying-transport chamber to the stirring-transport chamber, in which a communication portion for passing the developer from the collecting-transport chamber to the supplying-transport chamber is provided on an upstream side of the second developer passage in terms of a developer transporting direction.

    Abstract translation: 显影装置包括:分隔成搅拌输送室的显影容器,供给输送室和收集输送室; 用于在其表面上承载显影剂的显影剂承载构件; 位于所述供给输送室内的供给输送部件; 位于所述搅拌输送室内的搅拌输送构件,用于将所述显影剂沿相反方向搅拌并输送到所述供给输送构件; 位于收集运送室内的收集运送件,用于沿与供给运送件相同的方向搅拌和运送显影剂; 第一显影剂通道,用于将显影剂从搅拌输送室传送到供给输送室; 第二显影剂通道,用于将显影剂从供给输送室传送到搅拌输送室,在该搅拌输送室中,将显影剂从收集运送室传送到供给输送室的连通部设置在 在显影剂输送方向上的第二显影剂通道。

Patent Agency Ranking