Electrophotographic copying machine

Details Electrophotographic copying machine Electrophotographic copying machine

1981-12-08

1984-02-28

Prescott, A. C.

Photocopying

Including fiber optics

355 14D, 355 15, 118651, 118652, 118657, 118658, 430122, G03G 1509

Patent

active

044339046

ABSTRACT:
In an electrostatic image reproducing system, the developing unit or cleaning unit comprises a first magnetic brush having a first revolving element which revolves on a first revolving axis, and a plurality of magnets inside the first revolving element. The first revolving element is adjacent to an image recording body and confronts the image recording area of the image recording body. A second magnetic brush unit is axially adjacent to the first magnetic brush unit for attracting and transferring developer, the second magnetic brush unit including a second revolving element having a second revolving axis therein which is substantially colinear with the first revolving axis. The second magnetic brush unit does not confront the image recording area of the image recording body.

REFERENCES:
patent: 3983841 (1976-10-01), Norton
patent: 4108546 (1978-08-01), Rezanka
patent: 4173405 (1979-11-01), Swapceinski et al.
patent: 4213617 (1980-07-01), Salger
patent: 4323306 (1982-04-01), Ito et al.
patent: 4324483 (1982-04-01), Tagawa et al.
patent: 4357097 (1982-11-01), Koiso
patent: 4360944 (1982-11-01), Iwai et al.

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