Developer roller for electrostatic copier

Details Developer roller for electrostatic copier Developer roller for electrostatic copier

1975-12-22

1977-01-18

Jaudon, Henry S.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

427 18, G03G 1509

Patent

active

040033341

ABSTRACT:
An electrostatic photocopy machine of the type which uses a magnetic dry toner is disclosed, wherein the toner particles are magnetically attracted to the surface of a developer roller, and thereafter deposited onto the charged image areas on one surface of a copy sheet. The developer roller is provided with an outer shell which is electrically non-conductive, thereby producing improved results in the copy.

REFERENCES:
patent: 3152924 (1964-10-01), Wanielista et al.
patent: 3176652 (1965-04-01), Mott et al.
patent: 3839992 (1974-10-01), Takahashi et al.
patent: 3863603 (1974-02-01), Buckley et al.
patent: 3879737 (1975-04-01), Lunde
patent: 3909258 (1975-09-01), Kotz

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