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US 2009/0154951 A1Published application
Developer Roll Lip Seal
AssigneeLexmark International, Inc.
InventorsBenjamin Alan Askren, Donn Duane Bryant, Benjamin Erich Kant, Lenci Robert Kappes, Michael Craig Leemhuis
Life of this patent
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Abstract
A toner seal comprises a j-shaped seal having an upper seat portion and a leg portion, the leg having a front face extending between first and second edges of said leg portion, a lip seal extending along at least one of the first and second edges of the leg, and, the lip seal having a length extending from the upper seat portion along the leg.
Claims21
A toner seal, comprising:
- a j-shaped seal having an upper seat portion and a leg portion;
- said leg having a front face extending between first and second edges of said leg portion;
- a lip seal extending along at least one of said first and second edges of said leg;
- and,
- said lip seal having a length extending from said upper seat portion along said leg.
2 more elements
A toner seal for a j-seal disposed within a toner housing and engaging a developer roll, comprising:
- a j-shaped seal having an upper seat portion and a leg portion;
- said leg having a inner edge and an outer edge and a face extending between said outer and inner edges;
- a plurality of grooves along said face;
- and,
- a lip seal extending from said inner edge;
- said lip seal receiving a force from internal pressure of said toner housing and sealably engaging said developer roll and a doctor blade.
3 more elements
A toner seal structure, comprising:
- a curvilinear seal having an upper seat and a leg depending from said seat;
- said leg having an outer edge, an inner edge, a face extending between said inner edge and said outer edge, and a curved portion;
- and
- a lip seal extending from said upper seat to said curvilinear leg;
- said lip seal extending from said face along said outer edge of said leg.
2 more elements
Dependencies are inferred from the claim text.