Method and device for doctor blade retention
4 Assignments
0 Petitions
Accused Products
Abstract
A toner cartridge for an image forming apparatus, the cartridge having: a housing defining a toner reservoir; a developer roller supported by the housing; a doctor blade supported by the housing and positioned adjacent the developer roller; and a retainer connected to the housing and positioned over a side of the doctor blade opposite the reservoir.
30 Citations
24 Claims
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1. (canceled)
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6. A method for providing toner to an image forming said method comprising:
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applying toner from a reservoir to a developer roller;
regulating the amount of toner applied to the developer roller with a doctor blade;
covering the doctor blade with a cover opposite the reservoir to retain toner; and
supporting a doctor blade spring with the cover over the doctor blade. - View Dependent Claims (2, 3, 4, 5)
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7. (canceled)
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14. A toner cartridge for an image forming apparatus the cartridge comprising:
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a housing defining a toner reservoir;
a developer roller supported by the housing;
a doctor blade supported by the housing and positioned adjacent the developer roller; and
a retainer connected to the housing and positioned over a side of the doctor blade opposite the reservoir;
wherein the cartridge further comprises a doctor blade spring, wherein the retainer comprises a spring cleat that supports the doctor blade spring. - View Dependent Claims (8, 9, 10, 11, 12, 13, 15, 16, 17)
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18. (canceled)
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21. A system for supporting a doctor blade the system comprising:
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a retainer connectable to a toner cartridge housing at a position adjacent to a doctor blade opposite a toner reservoir;
a flange extending from the retainer and engageable with the doctor blade; and
a cover of the doctor blade for retaining toner. - View Dependent Claims (19, 20, 22, 23)
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24. (canceled)
Specification
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- Resources
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Current AssigneeLexmark International Incorporated (Ninestar Corporation)
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Original AssigneeLexmark International Incorporated (Ninestar Corporation)
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InventorsBuchanan, John Andrew
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current399/284
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CPC Class CodesG03G 15/0812 characterised by the develo...G03G 2215/0634 Developing deviceG03G 2215/0866 Metering member
