Toner image fuser and cartridge for image-forming apparatus
US5305065A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1992 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | Jan 31, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/1685
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fuser for an image-forming apparatus includes a fusing roller which is replaceable in a cartridge. The fusing roller cartridge includes a cover for covering an access opening providing access to the fusing roller. The cover is openable, either directly by an operator to a latched condition, by the apparatus in response to insertion of the cartridge, by the operator before insertion but held in an uncovering position by the receiving apparatus or by suitable mechanism in the apparatus after insertion of the cartridge. Preferably, the cover closes early in the removal motion so that the fingers of the removing operator cannot touch a hot fusing roller. A metallic heat shield between the fusing roller and the cartridge housing helps prevent the housing from becoming too hot to touch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.