Patent · US Expired

Apparatus for metering marking particles onto a developer roller

US4502412A · kind A · utility

5Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 22, 1983
Grant dateMar 5, 1985
Priority date
Expiry dateApr 22, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0877
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An apparatus which meters precise quantities of magnetic marking particles onto a developer roller in a magnetic brush development system. An open ended container stores the supply of marking particles therein. A magnetic roller, positioned in the open end of the container, meters marking particles from the open end of the container onto the developer roller of the magnetic brush development system.

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