Patent · US Expired

Fixing device

US5070373A · kind A · utility

14Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1990
Grant dateDec 3, 1991
Priority date
Expiry dateFeb 22, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/2009
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is a fixing device wherein a pressure belt is rotated independently of a heating roller in the paper delivery direction by second driving means including a one-way clutch which allows racing thereof in the paper delivery direction. The pressure belt is rotated at a peripheral speed less than that of the heating roller by the second driving means. The fixing device can surely perform fixation without causing defective delivery or crumple regardless of papers or plastic films.

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