Method and device for doctor blade retention
DC CAFC
First Claim
Patent Images
1. A toner cartridge for an image forming apparatus, the cartridge comprising:
- 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.
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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.
29 Citations
14 Claims
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1. 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 (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. 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 with a stop post that extends from the retainer and engages the doctor blade; and a cover of the doctor blade for retaining toner. - View Dependent Claims (12, 13, 14)
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Specification
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Litigation Data
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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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Primary Examiner(s)GRAINGER, QUANA MASHELL
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Application NumberUS11/010,495Publication NumberTime in Patent Office918 DaysField of Search399/284, 399/274US Class Current399/284CPC Class CodesG03G 15/0812 characterised by the develo...G03G 2215/0634 Developing deviceG03G 2215/0866 Metering member
