Patent · US Expired

Deformable toner dispenser with flow rate controller

US4133459A · kind A · utility

4Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 2, 1977
Grant dateJan 9, 1979
Priority date
Expiry dateJun 2, 1997

Classification

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

Abstract

A toner dispenser having a resilient open-cell foam dispensing roll and a dispensing edge in deforming contact with the roll. The edge is both movable and contoured along the axis of the roll to vary both the toner dispensing rate and the uniformity of the dispensing rate along the edge.

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