Patent · US Expired

Charging apparatus and image forming apparatus

US6792232B2 · kind B2 · utility

5Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2003
Grant dateSep 14, 2004
Priority date
Expiry dateFeb 24, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/022
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

To provide a charging apparatus including: a first charging unit for charging a body to be charged, the first charging unit including a magnetic brush that contacts the body to be charged; and a second charging unit that is provided on a downstream side of the first charging unit with respect to a moving direction of the body to be charged, the second charging unit including a magnetic brush that contacts the body to be charged, in which a contact width, with which the magnetic brush of the first charging unit contacts the body to be charged, is wider than a contact width with which the magnetic brush of the second charging unit contacts the body to be charged.

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