Image heating apparatus and recording material feeding apparatus
US8918044B2 · kind B2 · utility
6Cited by
20References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2012 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Nov 1, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0129
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image heating apparatus includes a hollow image heating roller having a through hole at one axial end portion side thereof; a bearing fitted around the roller; a heat insulating bush fitted around the roller between the roller and the bearing; a retaining ring for preventing the heat insulating bush from moving relative to the roller; an annular spacer provided between the heat insulating bush and the retaining ring, the annular spacer being provided with an inwardly protruded key portion engageable with the through hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.