Patent · US Expired

Developing device

US4538898A · kind A · utility

20Cited by
5References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 10, 1982
Grant dateSep 3, 1985
Priority date
Expiry dateNov 10, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/09
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developing device for developing an electrostatic latent image includes a tank for containing therein a quantity of developer, a developing sleeve driven to rotate in a predetermined direction and having an outer peripheral surface which defines a path for transporting the developer, a magnet roll disposed inside of the developing sleeve for keeping the developer attracted to the peripheral surface of the sleeve, and a pressure plate pressed against the sleeve to form a thin film of developer on the peripheral surface of the sleeve before being applied to the latent image.

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