Cleaning apparatus for an electrostatic recording machine

Details Cleaning apparatus for an electrostatic recording machine Cleaning apparatus for an electrostatic recording machine

1980-08-27

1982-11-30

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118652, 355300, G03G 1509, G03G 2100

Patent

active

043613977

ABSTRACT:
An improved cleaning apparatus for a copying machine includes, in addition to a conventional magnetic brush-type device in which a rotatable sleeve partially immersed in developer surrounds a group of magnets, a magnetic member disposed immediately upstream of the normal cleaning position at which the magnetic brush sleeve is brought into predetermined proximity with the photosensitive member. The magnetic member is located closely adjacent the surface of the photosensitive surface so that residual developer particles remaining on the photosensitive surface are magnetically attracted to the magnetic member prior to and for the purpose of supplementing conventional magnetic brush cleaning immediately downstream therefrom.

REFERENCES:
patent: 3754962 (1973-08-01), Berlier et al.
patent: 3914045 (1975-10-01), Namiki et al.
patent: 3967892 (1976-07-01), Whited
patent: 3985099 (1976-10-01), Nagashima et al.
patent: 4292387 (1981-09-01), Kanbe et al.

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