Internally shielded transfer roller

Details Internally shielded transfer roller Internally shielded transfer roller

1975-01-29

1976-02-03

Envall, Jr., R. N.

Photocopying

Including fiber optics

317262A, 96 14, G03G 1500

Patent

active

039361756

ABSTRACT:
A biased roller electrostatographic image transfer system in which the image transfer fields are generated by a biased conductive member inside the roller and tailored by a partially surrounding stationary conductive shield which is also inside the roller. The shield extends over the pre-nip area to suppress undesired pre-nip transfer fields, but is apertured in the nip area to allow a high transfer field to be applied therethrough the shield.

REFERENCES:
patent: 3830589 (1974-08-01), Allen
patent: 3847478 (1974-11-01), Young

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