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US 9,519,241 B2Granted
Development device, process cartridge, and image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorTakuya Kitamura
Life of this patent
Estimating the term…
Abstract
A development device in which there is a lubricant opposite in polarity to a developer in a surface region of a developer bearing member contacting an image bearing member and an end seal when the developer bearing member rotates.
Claims13
A development device comprising:
- a developer bearing member arranged to contact an image bearing member and configured to convey developer;
- a development container configured to contain the developer;
- and
- an end seal configured to contact the developer bearing member to prevent the developer from leaking from between an end of the developer bearing member in a longitudinal direction and the development container,
- wherein a lubricant, having a charge polarity that is opposite to a charge polarity of the developer, is applied onto at least a part of a surface of the developer bearing member, and
- wherein the part of the surface of the developer bearing member contacts the image bearing member and the end seal in a case where the developer bearing member rotates.
3 more elements
Dependencies are inferred from the claim text.