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    • 3. 发明授权
    • Magnetic roll structure for transporting single component magnetic
developer
    • 用于运输单组分磁性显影剂的磁辊结构
    • US4727823A
    • 1988-03-01
    • US737973
    • 1985-05-28
    • Michael D. ThompsonClifford W. Imes, IV
    • Michael D. ThompsonClifford W. Imes, IV
    • G03G15/09
    • G03G15/0928G03G15/0914
    • A new and improved structure for transporting single component magnetic developer for developing latent electrostatic images or for removing residual developer from a charge-retentive surface. In one embodiment of the invention narrow metal strips are embedded in the outer shell or cylinder of a conventional magnetic roll structure. The strips are very pointed adjacent the outer periphery of the shell. The sharp tips ensure a high magnetic field gradient when the magnetic roll disposed internally of the shell is rotated. The thinness of the strips causes them to respond to only the radial component of the magnetic field. Each strip responds to the oscillating radial field component slightly out of phase with its adjacent strip thereby creating a wave gradient along the surface which pulls and tumbles developer over the surface.
    • 用于运输用于显影静电图像的单组分磁性显影剂或用于从电荷保持性表面除去残余显影剂的新的和改进的结构。 在本发明的一个实施例中,窄金属条嵌入常规磁辊结构的外壳或圆筒中。 这些条带相对于外壳的外围是非常尖的。 当设置在壳体内部的磁辊旋转时,尖锐的尖端确保高的磁场梯度。 条的薄度使它们仅响应于磁场的径向分量。 每个条带响应于与其相邻条带稍微异相的振荡的径向场分量,从而沿着表面产生沿着表面拉动和翻转显影剂的波浪梯度。
    • 4. 发明授权
    • Developer metering structure
    • 显影剂计量结构
    • US4637340A
    • 1987-01-20
    • US737951
    • 1985-05-28
    • Michael D. ThompsonClifford W. Imes, IV
    • Michael D. ThompsonClifford W. Imes, IV
    • G03G15/09
    • G03G15/09
    • A new and improved structure for metering the developer to a uniform thickness on a developer roll. To this end a magnetic steel shim or blade member is provided in the vicinity of a magnetic developer roll. The shape and location of the shim or blade member in the developer sump is such that a transport magnet (i.e. developer roll) rotatably supported adjacent the outlet of the sump causes vibration of the shim or blade due to the coupling and decoupling therebetween of the magnetic force fields created through the rotation of the developer roll. The developer which passes between the shim or blade member and the developer roll is freed of agglomerations and is metered to a predetermined thickness on the developer roll.
    • 一种用于将显影剂计量到显影辊上均匀厚度的新的和改进的结构。 为此,在磁性显影辊附近设有磁性钢垫片或刀片构件。 垫片或叶片构件在显影剂池中的形状和位置使得邻近贮槽的出口可旋转地支撑的输送磁体(即显影辊)由于磁体之间的耦合和解耦而引起垫片或叶片的振动 通过显影辊旋转产生的力场。 在垫片或叶片构件和显影辊之间通过的显影剂没有附聚,并且在显影辊上被计量到预定的厚度。