Patent · US Expired

Charging device and image forming apparatus

US6233419A · kind A · utility

8Cited by
12References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 1998
Grant dateMay 15, 2001
Priority date
Expiry dateSep 11, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0241
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A charging apparatus includes a movable charging member for being supplied with a voltage to charge a member to be charged, said charging member being provided with a flexible member for forming a nip with the member to be charged, wherein a speed difference is provided between surfaces of the member to be charged and said flexible member; electroconductive particles supplying means, having a foam member contactable to said charging member, for supplying electroconductive particles to said charging member to provide the nip with the electroconductive particles.

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