Patent · US Expired

Cleaning unit

US5434659A · kind A · utility

3Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 10, 1994
Grant dateJul 18, 1995
Priority date
Expiry dateAug 10, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G21/0005
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A cleaning unit used for cleaning the surface of a recording medium in an image forming apparatus, the cleaning unit having a head being moved so as to contact with and separate from the recording medium on the basis of the assessment of preset image forming conditions such as paper size, document size, and copy magnification, and a control section for moving the cleaning head at a detected appropriate time, wherein the cleaning head is released so as to avoid the dispersion of toner that is likely to spoil the image.

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