Patent · US Expired

Charging device

US5742874A · kind A · utility

16Cited by
15References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1996
Grant dateApr 21, 1998
Priority date
Expiry dateDec 5, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0291
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An charging apparatus includes a housing having a charging side adapted to face a photoreceptor; and a sharp-edged electrode charging member provided in the housing so that the photoreceptor is charged through the charging side by corona discharge from the sharp-edged electrode charging member. The charging apparatus further comprises an air introducing member provided a rear side opposite to the charging side and for introducing air into the housing.

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