Toning station for selectively applying toner to an electrostatic image
US5300988A · kind A · utility
5Cited by
16References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1991 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Jun 7, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/09
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toning station particularly usable in a multicolor image-forming apparatus includes an applicator and a developer mixing mechanism. A transport roller with a fluted surface transports developer from the mixing device to the applicator. A magnetic gate is positioned inside the transport roller and has a first position in which it attracts developer from the mixing device to the transport roller to facilitate delivery of developer to the applicator. The magnetic gate is movable to a position opposite the applicator where it inhibits passage of developer to the applicator to stop the development action of the station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.