No wrinkling sheet feeding apparatus, a fixing apparatus and an image forming apparatus
US6144832A · kind A · utility
30Cited by
1References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1998 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Sep 1, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/206
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing apparatus includes a heating roller having a heat source, a pressure roller in pressure contact with the heating roller, a sheet transporting member which transports the sheet between the heating roller and the pressure roller. The pressure roller has a plurality of areas having different traction coefficients on the surface thereof along the width thereof. The area is preferably disposed symmetrically on the surface of the pressure roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.