Patent · US Expired

Toner supply device for electrophotographic equipment

US5077584A · kind A · utility

11Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 1990
Grant dateDec 31, 1991
Priority date
Expiry dateApr 16, 2010

Classification

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

Abstract

A toner supply device incorporated in electrophotographic equipment which develops a latent image electrostatically formed on an image carrier by using toner. The device has a toner tank for supplying toner to a developing section which forms a part of the equipment, a toner sensor responsive to the amount of toner remaining in the toner tank, and a toner server adjoining the toner tank for feeding toner to the tank. The toner server has a plurality of toner cartridges thereinside and automatically replaces the toner cartridge a plurality of times.

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