Magnetic brush developing apparatus

Details Magnetic brush developing apparatus Magnetic brush developing apparatus

1977-08-18

1979-01-02

Schroeder, Werner H.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

G03G 1509

Patent

active

041321928

ABSTRACT:
High operating speeds of the powder brush of a rotating magnetic brush developing apparatus are made feasible, in order to improve the quality of developed images without causing contamination by powder escaping from the brush, by locating an air deflecting partition, for instance in the form of a plate arranged tangentially relative to the rotating sleeve of the apparatus, so that the partition will guide away an air stream entrained by the moving powder brush before it reaches the location where powder is supplied to the brush. The partition advantageously delimits a chamber formed over a sector of the powder brush, from which air carried past the partition in the powder brush and then expelled from it will escape in a controlled manner enabling recapture of the powder particles carried by such air before the air is discharged.

REFERENCES:
patent: T959003 (1976-10-01), Hull
patent: 3906899 (1975-09-01), Harpavat
patent: 3921571 (1975-11-01), Moore et al.
patent: 4014291 (1977-03-01), Davis
patent: 4063533 (1977-12-01), White

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