Patent · US Expired

Coated charge roller

US6238759A · kind A · utility

4Cited by

3References

7Claims

0Family size

Assignee

Lexmark International, Inc. · US

Inventors

Kermit Arnold Meece · Lexington, US
Christopher David Strack · Lexington, US
Troy Dustin Smith Tomson · Lexington, US

Key dates

Filing date	May 25, 1999
Grant date	May 29, 2001
Priority date	—
Expiry date	May 25, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31598
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Rubber charge roller cores are coated with loose particulate silicon carbide. Excess powder is removed, and the rollers are used in normal operation without an additional outer layer. Consistent, long-life operation of the charge roller is realized.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.