Canon kabushiki kaisha (20240201615). DEVELOPING APPARATUS, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS simplified abstract

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DEVELOPING APPARATUS, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

Organization Name

canon kabushiki kaisha

Inventor(s)

YOSUKE Kishi of Shizuoka (JP)

KAZUAKI Iwata of Shizuoka (JP)

MINORU Ito of Shizuoka (JP)

MASARU Kobayashi of Kanagawa (JP)

JUNJI Seki of Kanagawa (JP)

HIROAKI Onuma of Kanagawa (JP)

DEVELOPING APPARATUS, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240201615 titled 'DEVELOPING APPARATUS, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

The patent application describes a developing apparatus with a developer bearing member and a regulating member that controls the thickness of the developer layer.

  • The regulating member contacts the developer bearing member with specific surface roughness parameters to ensure proper regulation.
  • Parameters such as maximum height roughness (rz), average interval of unevenness (sm), and volume of protruding peak part (vmp) are defined in ISO 25178.
    • Key Features and Innovation:**
  • Developer bearing member and regulating member work together to regulate developer layer thickness effectively.
  • Specific surface roughness parameters ensure precise regulation of the developer layer.
    • Potential Applications:**
  • This technology can be used in various developing apparatus for printing, copying, and other imaging processes.
    • Problems Solved:**
  • Ensures consistent and accurate developer layer thickness, improving print quality and image clarity.
    • Benefits:**
  • Enhanced print quality, reduced maintenance, and improved overall performance of developing apparatus.
    • Commercial Applications:**
  • This technology can be applied in commercial printers, copiers, and other imaging devices to enhance image quality and efficiency.
    • Questions about the Technology:**

1. How does the specific surface roughness of the regulating member impact the regulation of the developer layer thickness? 2. What are the potential cost savings associated with using this technology in developing apparatus?

    • Frequently Updated Research:**

Ongoing research focuses on optimizing the surface roughness parameters for even better regulation of developer layer thickness.


Original Abstract Submitted

a developing apparatus includes a developer bearing member; and a regulating member configured to come in contact with the developer bearing member, and regulate the thickness of the layer of the developer. the contact surface of the regulating member with the developer bearing member satisfies 3≤rz<20 (�m), 30≤sm≤100 (�m), and vmp≥0.05 ml/mwhere rz represents a maximum height roughness, and sm represents an average interval of unevenness, and vmp represents a volume in an initial state of a protruding peak part in parameters in a three-dimensional surface roughness defined in iso 25178.

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