Patent · US Expired

Image forming apparatus having a sump component for multiple developing units

US5282002A · kind A · utility

9Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1992
Grant dateJan 25, 1994
Priority date
Expiry dateDec 3, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0692
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Image forming apparatus includes a developing device for developing electrostatic images with dry toner. The developing device has more than one developing unit supported on a carriage for movement through a development position. A unitary sump component defines the sump for each unit and includes a mixing device in each sump. The sump component is removable for replacement of developer. The sump component includes a shaft extending from the component which is engageable by a drive in the developing device.

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