Device for removing the developer mix from a developing station
US4451133A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1982 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Apr 19, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0844
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a developer station for an electrophotographic printing or copying machine, there is provided a simplified arrangement for the automatic removal of spent or tired developer mix particles in preparation for replenishment with a fresh supply of developer mix. A drain opening is provided at the discharge end of one mixing screw disposed in a mixing chamber portion of the developer station. Flow through this drain opening is prevented during normal developer operation. For removal of the mix particles from the station, flow through the drain opening is unblocked and a pivotable stripper plate is disposed between the magnetic drum and the mixing chamber screw for conducting developer mix spilled off the rotating magnetic drum to the mixing chamber screw, whereupon this screw conducts the mix particles to the discharge opening and out of the developer station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.