Electrophotographic printing mechanism
US5101234A · kind A · utility
5Cited by
0References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1991 |
| Grant date | Mar 31, 1992 |
| Priority date | — |
| Expiry date | Mar 14, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/752
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an electrophotographic printing mechanism in which a photosensitive drum mechanism having a photosensitive drum and a drum cap is turned to electrostatically form an image on the photosensitive material wound on the drum, the drum cap is provided with a switch which is operated by a switch control unit, so that when the mechanism is stopped for urgent work, the operator is protected from being struck by electricity touching the drum cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.