Transfer roller for electrophotographic apparatus

Details Transfer roller for electrophotographic apparatus Transfer roller for electrophotographic apparatus

1981-03-27

1983-04-12

Pellinen, A. D.

Photocopying

Including fiber optics

355 14TR, 361225, G03G 1516

Patent

active

043796303

ABSTRACT:
A transfer roller for electrophotographic apparatus for transferring a toner image formed on a latent image electric charge holding body to a record sheet by making the record sheet close contact with the latent image electric charge holding body, comprising an electrically conductive roller shaft connected to a transfer bias electric source and operative to apply a given transfer bias voltage between the roller shaft and the latent image electric charge holding body and an electrically conductive resilient member coated around the outer periphery of the electrically conductive roller shaft and having a resistance value which is increased in a continuous or stepwise manner toward the respective end faces at two end portions of the electrically conductive resilient member.

REFERENCES:
patent: 3778690 (1973-12-01), Rothacker et al.
patent: 3924943 (1975-12-01), Fletcher
patent: 3942888 (1976-03-01), Maksymiak et al.
patent: 4049343 (1977-09-01), Hermanson
patent: 4309737 (1982-01-01), Tolmie, Jr.

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