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US 2023/0113423 A1Published application
Charging member having a surface layer comprising urethane foam
AssigneeHewlett-Packard Development Company, L.P.
InventorsTAEHYUN KIM, NORIHIRO HARADA, JINMO HONG
Life of this patent
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Abstract
A charging member for an image forming apparatus may include a conductive support and a surface layer on the conductive support and not in contact with a photosensitive member. The surface layer may comprise a urethane foam including foam cells and having a foam structure based on the foam cells, the foam cells including open cells.
Claims15
A charging member for an image forming apparatus comprising:
- a conductive support;
- and
- a surface layer on the conductive support and not in contact with a photosensitive member, the surface layer comprising a urethane foam including foam cells and having a foam structure based on the foam cells, the foam cells including open cells.
A cartridge comprising:
- a charging member;
- and
- a photosensitive member, wherein
- the charging member includes:
- a conductive support;
- and
- a surface layer on the conductive support, the surface layer comprising a urethane foam including foam cells and having a foam structure based on the foam cells, the foam cells including open cells,
- the cartridge is detachable from an image forming apparatus, and
- the charging member and the photosensitive member are not in contact with each other.
6 more elements
An image forming apparatus comprising:
- a charging member not in contact with a photosensitive member, the charging member including:
- a conductive support;
- and
- a surface layer on the conductive support, the surface layer comprising a urethane foam including foam cells and having a foam structure based on the foam cells, the foam cells including open cells.
1 more element
Dependencies are inferred from the claim text.