Title:
カートリッジ
Document Type and Number:
Japanese Patent JP7434624
Kind Code:
B2
Abstract:
An image forming apparatus including: an image bearing member; a developing member to supply a developer to the image bearing member; and a cleaning member to clean a peripheral surface of the image bearing member in contact with the peripheral surface, wherein a plurality of grooves extend in a circumferential direction on the peripheral surface, and have a width in a generatrix direction of the peripheral surface within a range of at least 0.5 µm and not more than 40 µm, and are formed to be side by side in the generatrix direction; the number of the grooves is at least 20 and not more than 1000 per a width of 1000 µm in the generatrix direction of the peripheral surface; and an average depth (Rvk) of a valley of a projection under a core section of a roughness curve of the peripheral surface is 0.08 µm or less.
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Inventors:
Hisashi Yamauchi
Keitaro Nakata
Yasushi Inoue
Kosuke Ikada
Kentaro Yamawaki
Keitaro Nakata
Yasushi Inoue
Kosuke Ikada
Kentaro Yamawaki
Application Number:
JP2023018681A
Publication Date:
February 20, 2024
Filing Date:
February 09, 2023
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G5/147; G03G5/04; G03G9/087; G03G9/093; G03G21/00
Domestic Patent References:
| JP2016191769A | ||||
| JP2018077466A | ||||
| JP2016118628A |
Foreign References:
| WO2005093519A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Shuwa Patent Office