Patent · US Expired

Developing device

US5887227A · kind A · utility

23Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1997
Grant dateMar 23, 1999
Priority date
Expiry dateMay 15, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0177
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developing device which is capable of being detachably mounted to a rotary unit of an image forming apparatus and which includes a developer carrying member for forming a development region together with an image carrying member and rotating as carrying a developer, a developer containing section for containing the developer to be supplied to the developer carrying member, and a pressure relief portion provided in a surface substantially perpendicular to the rotational axis of the rotary unit, of the developer containing section.

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