Reduced component toner cartridge
DC CAFC
First Claim
1. An electrophotographic imaging toner cartridge comprising a developer roller, a doctor blade in contact with said developer roller near the top of said developer roller, a toner applying roller in contact with said developer roller and located on substantially the same horizontal plane as said developer roller, a chamber for electrophotographic toner positioned predominantly below said developer roller and on the side of said toner applying roller away from said developer roller, said chamber extending downward from the top of said toner applying roller more than twice the diameter of said toner applying roller.
3 Assignments
Litigations
0 Petitions
Accused Products
Abstract
A toner cartridge having no toner pump with the toner adding roller (11 ) positioned horizontal to the developer roller (3), the toner chamber (9) located predominantly below the developer roller, the photoconductive drum located 120 degrees from the top of tile developer roller, and the doctor blade (5) is located near the top. The cartridge has a minimal number of operational parts.
31 Citations
9 Claims
- 1. An electrophotographic imaging toner cartridge comprising a developer roller, a doctor blade in contact with said developer roller near the top of said developer roller, a toner applying roller in contact with said developer roller and located on substantially the same horizontal plane as said developer roller, a chamber for electrophotographic toner positioned predominantly below said developer roller and on the side of said toner applying roller away from said developer roller, said chamber extending downward from the top of said toner applying roller more than twice the diameter of said toner applying roller.
- 7. An electrophotographic imaging toner cartridge comprising a developer roller, a doctor blade in contact with said developer roller near the top of said developer roller, a toner applying roller in contact with said developer roller, the location of said contact being 90 degrees from the location of said contact of said doctor blade, a photoconductive roller in nip relationship with said developer roller, the location of said nip relationship being substantially 120 degrees from the location of said contact of said doctor blade on the side of said developer roller opposite the location of said toner applying roller, and a chamber for electrophotographic toner positioned on the side of said toner applying roller opposite said developer roller and having a predominate portion below said developer roller said chamber extending downward from the top of said toner applying roller more than twice the diameter of said toner applying roller.
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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InventorsBaker, Ronald W., Horrall, Paul D., Burdick, Robert L., Merrifield, David L., Ward, Earl D. II, DiGirolamo, Martin V., Wilzbach, Bernard L., Molloy, James J.
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Primary Examiner(s)Braun, Fred L.
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Application NumberUS08/023,459Time in Patent Office529 DaysField of Search355/245, 355/259, 355/260, 355/200US Class Current399/111CPC Class CodesG03G 15/0872 the developer cartridges be...G03G 15/0877 Arrangements for metering a...G03G 15/0896 Arrangements or disposition...
