Fixing device
US5070373A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1990 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | Feb 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.