Filtering system for removing toner from an air stream in a development housing
US5983052A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Nov 20, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0898
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic printing machine of the type in which an electrostatic latent image recorded on a charge retentive surface is developed with toner particles to form a visible image thereof, including; a housing having a supply of toner and developer therein; a donor member for transporting toner from said housing to the development zone; means for conveying toner to the donor member; means for generating a negative air stream for carrying toner therein; and a filter for removing the toner from the negative air stream, said filter including filter material and oscillation means, operational connected to said conveying means, for oscillating said filter material to dislodge toner material collected in said filter when said generating means is disabled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.