Developing apparatus mounted on image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsKen Kikuchi, Kazushi Watanabe, Toru Oguma, Akiyoshi Yokoi
Life of this patent
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Abstract
A developing device including a developer bearing member for bearing and conveying a developer thereon, the developer bearing member having at a lengthwise end portion thereof a spacer for keeping a spacing between it and an image bearing member, a sealing member for preventing the leakage of the developer from the lengthwise end portions of the developer bearing member, a conductive member disposed in the vicinity of the sealing member, and an insulation member provided between the sealing member and the conductive member for electrically insulating the sealing member from the conductive member, the insulation member having a cleaning portion for cleaning the spacer.
Claims6
A developing apparatus comprising:
- a developer bearing member for bearing and conveying a developer, said developer bearing member having at a lengthwise end portion thereof a spacer for keeping a spacing between said developer bearing member and an image bearing member;
- a sealing member for preventing the developer from leaking out of said lengthwise end portion of said developer bearing member;
- a conductive member disposed in the vicinity of said sealing member;
- and
- an insulation member provided between said sealing member and said conductive member for electrically insulating said sealing member from said conductive member,
- wherein said insulation member has a cleaning portion for cleaning said spacer.
Dependencies are inferred from the claim text.