Fixing device and image forming apparatus incorporating same
US10234798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2018 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Jun 27, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2092
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing device includes a fixing rotator, a pressure rotator, and a pressure assembly that forms a fixing nip therebetween and includes a first adjuster and a second adjuster. The first adjuster includes a pressure cam, a first biasing device, a first pressure lever that holds the pressure rotator, and a second pressure lever that moves with the pressure cam and presses against the first pressure lever via the first biasing device. The first adjuster adjusts a load of the first biasing device to adjust a pressure force from the pressure rotator to the fixing rotator. The second adjuster includes an adjustment screw is driven into the second pressure lever, and a retainer that retains an adjusted state between the adjustment screw and the first pressure lever. The second adjuster adjusts a holding position of the first pressure lever to hold the pressure rotator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.