EP 0653077 B1 19960612 - DEVELOPER STATION FOR AN ELECTRO-PHOTOGRAPHIC PRINTER OR COPIER
Title (en)
DEVELOPER STATION FOR AN ELECTRO-PHOTOGRAPHIC PRINTER OR COPIER
Title (de)
ENTWICKLERSTATION FÜR EIN ELEKTROFOTOGRAFISCHES DRUCK- ODER KOPIERGERÄT
Title (fr)
POSTE DE DEVELOPPEMENT POUR UNE IMPRIMANTE OU UN DUPLICATEUR ELECTROPHOTOGRAPHIQUE
Publication
Application
Priority
- EP 93917588 A 19930716
- EP 9301876 W 19930716
- EP 92113025 A 19920730
Abstract (en)
[origin: WO9403842A1] A developer station for an electro-photographic printer or copier has a developer chamber (12), a mixing chamber (13) and a developer station basin (14) connected to both chambers. Two developer mixture circuits are generated in the developer station, viz: one circuit to accept fresh toner and one for the actual development in a developer slit (18). A paddle roller (37) arranged in the developer station basin (14) generates a vortex in the mixture in the outlet region of the mixing chamber (13) which is enriched with fresh toner and is taken from the continuous developer mixture for the development process. The vortex essentially acts as a buffer store to compensate for heavy toner requirements in development and, in conjunction with the mixing chamber (13), for the tribo-electric activation of the developer mixture.
IPC 1-7
IPC 8 full level
G03G 15/08 (2006.01); G03G 15/09 (2006.01)
CPC (source: EP US)
G03G 15/0822 (2013.01 - EP US); G03G 15/09 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
WO 9403842 A1 19940217; DE 59302938 D1 19960718; EP 0653077 A1 19950517; EP 0653077 B1 19960612; JP H09502276 A 19970304; US 5614994 A 19970325
DOCDB simple family (application)
EP 9301876 W 19930716; DE 59302938 T 19930716; EP 93917588 A 19930716; JP 50493294 A 19930716; US 37950495 A 19950419