Patent · US Expired

Charging device, charging method, process cartridge and image forming apparatus

US6081681A · kind A · utility

27Cited by
4References
51Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 1998
Grant dateJun 27, 2000
Priority date
Expiry dateMar 5, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/102
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A charging device includes a charging member to which a voltage is applicable to charge a member to be charged, the charging member including a flexible member for forming a nip with the member to be charged, wherein the flexible member is moved to provide a speed difference between a surface of the member to be charged and a surface of the flexible member; wherein not less than 10.sup.2 /mm.sup.2 electroconductive particles are provided in the nip.

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