Patent · US Expired

Toner cartridge having a toner stirring member

US5774772A · kind A · utility

44Cited by
4References
65Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 1996
Grant dateJun 30, 1998
Priority date
Expiry dateJun 14, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0685
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner cartridge for an image forming apparatus is provided with a toner stirring member, which is mixed in with the toner in the toner cartridge. Blocking of the toner is prevented and fluidity of the toner is improved by the movement of the toner stirring member in the toner cartridge, and stable toner flow to a developing device of is accomplished. The toner stirring member is provided with toner scratching portions for scratching off the toner from the internal surface of the cartridge, and thereby a quantity of toner remaining in the toner cartridge is reduced.

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