Electrophotographic copying apparatus
US3985436A · kind A · utility
119Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1975 |
| Grant date | Oct 12, 1976 |
| Priority date | — |
| Expiry date | Jun 9, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic copying apparatus in which a photoreceptor, a developing device and a cleaning device for residual toner particles are integrally incorporated in a casing as one unit so as to be releasably inserted into the copying apparatus housing for efficient replacement and maintenance of such major components. The copying apparatus is further provided with a copy paper sheet feed device which can be changed over from manual sheet insertion to automatic sheet feeding or vice versa by simply one operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.