Patent · US Expired

Cleaning unit for an image forming apparatus

US5260754A · kind A · utility

33Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1992
Grant dateNov 9, 1993
Priority date
Expiry dateMar 27, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G21/0035
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A cleaning device incorporated in an image forming apparatus for removing a toner remaining on a photoconductive drum by a fur brush and collecting the removed toner by a collecting roller. The cleaning device selectively moves the fur brush into and out of contact with both of the photoconductive drum and collecting roller.

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