Patent · US Expired

Cleaning unit, process cartridge, and image forming apparatus

US7085528B2 · kind B2 · utility

7Cited by
10References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 2003
Grant dateAug 1, 2006
Priority date
Expiry dateApr 5, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G21/0011
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A cleaning unit cleans residual toner on the surface of a rotatable image carrier. The cleaning unit includes a cleaning blade that is in contact with the image carrier in such a manner that amplitude of a waveform at an edge of the cleaning blade is not greater than 40 μm with respect to a downstream side of a direction of movement of the image carrier.

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