Insulated journals for a donor roll
AssigneeXerox Corporation
InventorsTimothy R. Jaskowiak, Joy L. Longhenry, Eugene J. Manno, Scott Martin, William R. Klimley
Life of this patent
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Abstract
A donor structure for developing toner images to an image receiving surface, said structure including a core structure; end caps including journal portions attached to said core structure;a bearing for operatively supporting said donor structure in an imaging device; and electrically isolating coatings carried by said journal portions, said electrically isolating coatings being interposed between said journal portions and said bearings.
Claims12
A donor structure for developing toner images to an image receiving surface, said structure comprising:
- a core structure;
- end caps including journal portions attached to said core structure;
- a bearing for operatively supporting said donor structure in an imaging device;
- and electrically isolating coatings carried by said journal portions, said electrically isolating coatings being interposed between said journal portions and said bearings;
- and
- a backerbar, said backerbar is being spaced from said donor structure and is in contact with an outer surface of said bearing.
The developer apparatus having a donor structure for developing toner images to an image receiving surface, said structure comprising:
- a core structure;
- end cars including journal portions attached to said core structure;
- a bearing for operatively supporting said donor structure in an imaging device;
- and electrically isolating coatings carried by said journal portions, said electrically isolating coatings being interposed between said journal portions and said bearings;
- and
- a backerbar, said backerbar is being spaced from said donor structure and is in contact with an outer surface of said bearing.
A printing machine including an apparatus for developing toner images to an image receiving surface, said structure comprising:
- a core structure;
- end caps including journal portions attached to said core structure;
- a bearing for operatively supporting said donor structure in an imaging device;
- and electrically isolating coatings carried by said journal portions, said electrically isolating coatings being interposed between said journal portions and said bearings;
- and
- a backerbar, said backerbar is being spaced from said donor structure and is in contact with an outer surface of said bearing.
Dependencies are inferred from the claim text.