Patent · US Expired

Developer supply device for dry process electrophotographic copier

US4641945A · kind A · utility

41Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 1984
Grant dateFeb 10, 1987
Priority date
Expiry dateApr 2, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S222/01
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner supply device for supplying a developing unit of an electrophotographic copier with a toner developer which is stored in a cylindrical cartridge. The cartridge is fixed in a horizontal position in the vicinity of the developing unit of the copier while occupying a minimum of space. The toner supply device is desirably applicable to a small-size electrophotographic copier.

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