Fixing device
US4147501A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1978 |
| Grant date | Apr 3, 1979 |
| Priority date | — |
| Expiry date | Mar 6, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2064
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing device comprises a pair of rollers for heating and pressing a copy medium carrying a toner image thereon, a control gear, a planet gear meshing with the control gear and revolvable about the control gear, means for revolving the planet gear, and means responsive to the revolutional movement of the planet gear to displace the pair of rollers between a first position in which they are in pressure contact with each other and a second position in which they are not in pressure contact with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.