Patent · US Expired

Developing roller having another coating of fine particles

US5862444A · kind A · utility

8Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 1997
Grant dateJan 19, 1999
Priority date
Expiry dateApr 16, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0861
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A development system that contains a developer carrier for carrying a developer on the surface thereof to a development region opposite to an image bearing body, and a regulating member biased into contact with the surface of the developer carrier by a predetermined pressure for regulating an amount of developer carried by a developer transport member. The developer carrier has a surface coated with fine particles with an average particles size of between 3 and 30 .mu.m which are bonded with the surface.

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