Toner dispensing apparatus employing a traveling wave transport grid
US6351623B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2000 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | Nov 27, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0877
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A novel toner dispensing apparatus without any moving parts is provided. The toner dispensing apparatus, includes a toner hopper for containing a quantity of finely divided toner, said hopper having an elongated opening formed by the cooperation of the walls thereof through which toner is capable of being dispensed from said hopper, and a dispensing electrode array on a surface of one of said wall, for transporting toner in a direction of movement toward said an elongated opening formed at a dispensing rate; and a wave generator for generating a travel wave pattern for transporting toner in said direction of movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.