Patent · US Expired

Image forming apparatus

US6640077B2 · kind B2 · utility

39Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 2002
Grant dateOct 28, 2003
Priority date
Expiry dateFeb 19, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0119
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In an image forming apparatus wherein the slip of a transporting belt relative to a driving device due to a change in the surface state the inner surface of the transporting belt and a bad image can be reliably prevented, and having a photosensitive drum on the surface of which a toner image is formed, a transfer belt and a driving roller for driving the transfer belt, wherein the toner image formed on the surface of the photosensitive drum is transferred onto the transfer belt or a recording material borne on the transfer belt, an abrasive roller is provided at a position, in contact with a surface on which the driving roller abuts against the transfer belt.

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