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    • 84. 发明授权
    • Developing apparatus having particular structural arrangement of developer carrying members
    • US07263315B2
    • 2007-08-28
    • US11183978
    • 2005-07-19
    • Shigeru TanakaKota ArimotoShinya Suzuki
    • Shigeru TanakaKota ArimotoShinya Suzuki
    • G03G15/08
    • G03G15/09
    • Provided is a developing apparatus, including: a developer carrying member for carrying a developer containing toner and a carrier; a first chamber having an opening in which the developer carrying member is disposed; a carrying member for carrying the developer in a longitudinal direction of the developer carrying member, the carrying member being disposed in the first chamber; a second chamber to which the developer is supplied from the first chamber through a first connection portion communicating with the first chamber and which supplies the developer to the first chamber through a second connection portion communicating with the first chamber; a spiral carrying member for agitating and carrying the developer by rotation, the spiral carrying member being obliquely disposed in the second chamber at an angle of 2° or more and 10° or less; and a developer replenishing apparatus for replenishing a developer for replenishment to a developer replenishment position in the second chamber, in which when a height with respect to a rotation axis of the spiral carrying member of an intersection of a circumference of the spiral carrying member and a developer surface in a first vertical plane on a downstream side of a developer carrying direction with respect to the developer replenishment position is denoted by Ha (mm) and a height with respect to the rotation axis of an intersection of the circumference of the spiral carrying member and the developer surface in a second vertical plane on a 50-mm downstream side of the first vertical plane in a direction of a horizontal direction component of the developer carrying direction is denoted by Hb (mm), Ha (mm) and Hb (mm) in a state where an attitude of the spiral carrying member in the first vertical plane and an attitude of the spiral carrying member in the second vertical plane are the same satisfy the relationship of Ha (mm)+2 (mm)≦Hb (mm).
    • 87. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20060177243A1
    • 2006-08-10
    • US11335598
    • 2006-01-20
    • Shigeru Tanaka
    • Shigeru Tanaka
    • G03G15/09
    • G03G15/0813G03G15/09
    • An image forming apparatus having a photosensitive drum bearing an electrostatic image, and a developing sleeve carrying a developer for developing the electrostatic image, the developing sleeve is in non-contact with the photosensitive drum, and is designed to be flexed so that the surface of the developing sleeve may go away from the surface of the photosensitive drum, and the rotation axis of the photosensitive drum and a straight line linking the centers of the cross-sections of the developing sleeve in a direction perpendicular to the developing sleeve at the both end portions may be in the skew relationship so that the value of the difference between the closest distance at the central portion of a maximum electrostatic image forming width and the closest distance at the both end portions thereof may be smaller than the value of the component of the flexure amount of the developing sleeve in the direction of the closest distance.
    • 具有静电图像的感光鼓的图像形成装置和承载用于使静电图像显影的显影套筒的显影套筒与感光鼓不接触,并被设计成弯曲,使得 显影套筒可能离开感光鼓的表面,感光鼓的旋转轴线和直线在两端垂直于显影套筒的方向连接显影套筒的横截面的中心 部分可能处于偏斜关系,使得最大静电图像形成宽度的中心部分处的最近距离与其两端部处的最近距离之间的差值可以小于 显影套筒在最近距离方向的弯曲量。
    • 89. 发明申请
    • Developing apparatus
    • 开发设备
    • US20060029431A1
    • 2006-02-09
    • US11183978
    • 2005-07-19
    • Shigeru TanakaKota ArimotoShinya Suzuki
    • Shigeru TanakaKota ArimotoShinya Suzuki
    • G03G15/08G03G15/09
    • G03G15/09
    • Provided is a developing apparatus, including: a developer carrying member for carrying a developer containing toner and a carrier; a first chamber having an opening in which the developer carrying member is disposed; a carrying member for carrying the developer in a longitudinal direction of the developer carrying member, the carrying member being disposed in the first chamber; a second chamber to which the developer is supplied from the first chamber through a first connection portion communicating with the first chamber and which supplies the developer to the first chamber through a second connection portion communicating with the first chamber; a spiral carrying member for agitating and carrying the developer through rotation, the spiral carrying member being obliquely disposed in the second chamber at an angle of 2° or more and 10° or less; and a developer replenishing apparatus for replenishing a developer for replenishment to a developer replenishment position in the second chamber, in which when a height with respect to a rotation axis of the spiral carrying member of an intersection of a circumference of the spiral carrying member and a developer surface in a first vertical plane on a downstream side of a developer carrying direction with respect to the developer replenishment position is denoted by Ha (mm) and a height with respect to the rotation axis of an intersection of the circumference of the spiral carrying member and the developer surface in a second vertical plane on a 50-mm downstream side of the first vertical plane in a direction of a horizontal direction component of the developer carrying direction is denoted by Hb (mm), Ha (mm) and Hb (mm) in a state where an attitude of the spiral carrying member in the first vertical plane and an attitude of the spiral carrying member in the second vertical plane are the same satisfy the relationship of Ha (mm)+2 (mm)≦Hb (mm).
    • 提供了一种显影装置,包括:用于承载含有调色剂和载体的显影剂的显影剂承载构件; 具有开口的第一室,其中设置有显影剂承载构件; 用于在显影剂承载构件的纵向方向上承载显影剂的承载构件,所述承载构件设置在所述第一室中; 第二室,通过与第一室连通的第一连接部分,从第一室供给显影剂,并通过与第一室连通的第二连接部分将显影剂供应到第一室; 用于通过旋转搅拌和携带显影剂的螺旋承载构件,螺旋形承载构件以2°以上且10°以下的角度倾斜地设置在第二室中; 以及显影剂补充装置,用于补充用于补充的显影剂用于第二室中的显影剂补充位置,其中当相对于螺旋形承载构件的螺旋形承载构件的旋转轴线的高度与螺旋形承载构件的周长和 在相对于显影剂补充位置的显影剂输送方向的下游侧的第一垂直平面中的显影剂表面由Ha(mm)表示,并且相对于螺旋形承载构件的圆周的交点的旋转轴线的高度 并且在显影剂传送方向的水平方向分量的方向上在第一垂直平面的50mm下游侧的第二垂直平面中的显影剂表面由Hb(mm),Ha(mm)和Hb(mm)表示 ),螺旋形承载构件在第一垂直平面中的姿态和螺旋形承载构件在第二垂直平面中的姿态是 这相当于Ha(mm)+2(mm)<= Hb(mm)的关系。