Patent · US Expired

Long life charging apparatus

US6684043B1 · kind B1 · utility

3Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2002
Grant dateJan 27, 2004
Priority date
Expiry dateAug 27, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0233
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Apparatus for charging a substrate, comprising: an elongated charging member having a crowned surface; an elongated pressure member having, the pressure member being supported for pressure engagement with the charging member to form a nip therebetween adapted to receive the substrate. There is also disclose a method for making the apparatus.

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