Magnetic brush cleaning device

Details Magnetic brush cleaning device Magnetic brush cleaning device

1982-11-03

1984-11-13

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3DD, 430125, 118652, 15 15R, G03G 1508

Patent

active

044822448

ABSTRACT:
A magnetic brush cleaning device in which a magnetic attraction roller having a surface for attracting magnetic powder is disposed so as to face the surface of a toner image retaining member through a gap D, the height of a brushlike ear of the magnetic powder attracted to the magnetic attraction roller is restricted by ear restriction element faced to the surface of the magnetic attraction roller through a gap H and the brushlike ear of the magnetic powder thus restricted slides frictionally on the surface of the toner image retaining member so as to remove the toner on the surface of the image retaining member. The gap D and the gap H satisfy the following relation:

REFERENCES:
patent: 4314018 (1982-02-01), Matsumoto et al.

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