The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2000
Filed:
Nov. 24, 1998
Applicant:
Inventors:
Alan Stirling Campbell, Lexington, KY (US);
Christina Allison Cullins, Lexington, KY (US);
Kermit Arnold Meece, Lexington, KY (US);
Peter Eric Wallin, Lexington, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399284 ;
Abstract
A flexible doctor blade having a radiused surface or nub for contacting a developer roll. The blade geometry which includes a cantilevered support for the nub provides lower torque in the developer, compliance to compensate for developer imperfections, and less tendency for streaking due to toner packing and filming.