Patent · US Active

Toner adder roll having an abrasive agent additive

US9261812B1 · kind B1 · utility

2Cited by

4References

20Claims

0Family size

Assignee

Lexmark International, Inc. · US

Inventors

Martin Victor DiGirolamo · Lexington, US
Billie Jo Enciu · Richmond, US
Kelly Ann Killeen · Lexington, US
Kurt Daniel Lambert · Madison, US
Johnny Dale Massie, II · Lexington, US
Robert Francis Soto · Lexington, US
Donald Wayne Stafford · Georgetown, US

Key dates

Filing date	Apr 23, 2015
Grant date	Feb 16, 2016
Priority date	—
Expiry date	Apr 23, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG03G15/0808
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A toner adder roll according to one example embodiment includes an electrically conductive shaft defining an axis of rotation of the toner adder roll. A foam member is cylindrically disposed about the shaft and forms an outer circumferential surface of the toner adder roll. The foam member is composed of a polymeric open-cell foam material. An abrasive agent is dispersed on the outer circumferential surface of the toner adder roll.

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