Corona discharging apparatus used in an electrostatic photographic copying machine
US4469428A · kind A · utility
7Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1982 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | Jul 27, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0291
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A corona discharging apparatus used in an electrostatic photographic copying machine includes a shield case provided with an open portion facing a circumferential surface of a sensitive drum. The shield case is detachably and dislocatably provided with a shield cover for regulating an electrifying width achieved by a thin wire for corona discharging arranged in the shield case at a longitudinal end of the shield case over the open portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.