Patent · US Expired

Developing apparatus having reciprocating cleaning device for photodetector

US5682574A · kind A · utility

28Cited by
11References
52Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 1995
Grant dateOct 28, 1997
Priority date
Expiry dateJan 30, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/183
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developing apparatus for developing a latent image formed on an electrophotographic photosensitive member include a toner container for containing toner to be used for developing the latent image, a light transmitting member for transmitting light for detecting that an amount of the toner in the toner container is smaller than a predetermined level, a cleaning member for cleaning the light transmitting member, a stirring member reciprocating device for reciprocating a stirring member, and a cleaning member reciprocation device for reciprocating the cleaning member with a degree of displacement larger than that of the stirring member.

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