Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1982-12-13
1985-03-26
Prescott, A. C.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
118639, 118652, 430123, 430125, G03G 1508
Patent
active
045069751
ABSTRACT:
A cleaning device in which toner remaining on an image reproducing support through an electrostatic reproducing process is cleaned by a fur brush and then the toner having adhered to the fur brush is recovered by an electrically biased roller, the fur brush having a brush core formed of a conductive material and the brush core being grounded or biased with the polarity opposite to that of bias voltage applied to the roller. The fur brush is formed as a conductive brush and grounded through a non-linear resistance element. The fur brush is formed of a semiconductive material.
REFERENCES:
patent: 3883292 (1975-05-01), Hamaker
patent: 3917397 (1975-11-01), Tanaka et al.
patent: 3942889 (1976-03-01), Kurita et al.
patent: 4123154 (1978-10-01), Fisher
patent: 4263390 (1981-04-01), Yamashita et al.
patent: 4361922 (1982-12-01), Karal
Inowa Shigeru
Kawamoto Kiyoaki
Shukuri Katsuhiro
Bierman Jordan B.
Konishiroku Photo Industry Co,., Ltd.
Prescott A. C.
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