Cleaning apparatus and electrostatographic reproducing machine
US4108546A · kind A · utility
15Cited by
4References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 1, 1976 |
| Grant date | Aug 22, 1978 |
| Priority date | — |
| Expiry date | Nov 1, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cleaning apparatus for use in an electrostatographic reproducing machine and an electrostatographic reproducing machine utilize magnetic attraction to aid in removing magnetic toner from an imaging surface or cleaning device. The cleaning apparatus comprises a prolate magnet having at least one pole adjacent the surface to be cleaned so that a gap of from about 0.005 to about 0.050 inches is defined. The ratio of the longitudinal width of the magnetic pole to the gap between the magnetic pole and the surface to be cleaned is maintained within the range of from about 0.5 to about 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.