Photocopying – Including fiber optics
Patent
1982-02-03
1983-09-27
Prescott, A. C.
Photocopying
Including fiber optics
355 14D, 118652, 118658, G03G 1500, G03G 1508
Patent
active
044065361
ABSTRACT:
A magnetic brush type developing device using a one-component system developing agent suitable for use with electrophotographic copying apparatus including a scraper having a magnetic wire disposed in close proximity to a developing sleeve serving as means for agitating and mixing a developing agent used for developing and a fresh supply of the developing agent fed to supplement the developing agent consumed by developing. The scraper includes a nonmagnetic plate provided with a plurality of stays in the form of a comb disposed on a side thereof facing the developing sleeve, and a magnetic wire mounted on the forward end of the stays and arranged in a magnetic field generated by a magnet disposed in the developing sleeve. The magnetic wire and the developing sleeve are spaced apart from each other by a predetermined gap.
REFERENCES:
patent: 3575139 (1971-04-01), Nuzum
patent: 3641969 (1972-02-01), Hakanson
patent: 4227796 (1980-10-01), Kamp et al.
patent: 4233935 (1980-11-01), Vehara et al.
patent: 4237819 (1980-12-01), Ikegami et al.
patent: 4265197 (1981-05-01), Toyono et al.
patent: 4365586 (1982-12-01), Hosono et al.
Enoki Shigekazu
Kaneko Toshio
Oyama Hajime
Suzuki Kohji
Prescott A. C.
Ricoh & Company, Ltd.
Scobey Robert
Shoup Guy W.
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