Heating device and apparatus utilizing object to be heated
US11927903B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2022 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Sep 4, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1639
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heating device includes a heating roller that includes a resistance heating layer, a bearing that supports the heating roller to allow the heating roller to be rotatable, and a connection power feeder that is mounted on an end portion of the heating roller, is connected to the resistance heating layer, and feeds power to the resistance heating layer, in which the connection power feeder includes an annular frame that is disposed to be concentric with the heating roller and is conductively connected to the resistance heating layer, a power feed shaft of which a portion is disposed in the frame and which feeds power, and plural rolling bodies that roll while being in conductive contact with an inner peripheral surface of the frame and an outer peripheral surface of the power feed shaft, and the bearing is mounted on a portion of the end portion of the heating roller that is closer to an inside than the connection power feeder in an axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.