Thermal roller of fuser
US6072979A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1997 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Dec 2, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention sets forth a thermal roller of a fuser for fixing a toner image onto a surface of a recording medium. The thermal roller includes a roller cylinder having an electric insulating layer attached to an inner wall of the roller cylinder, an electric resistance wire helically wound on the electric insulating layer; and a power source provided at an end of the roller cylinder and electrically connected with the electric resistance wire for providing the electric resistance wire with power. The thermal roller according to the present invention can enhance power efficiency and reduce hazard of inflammation at low costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.