Magnetic brush developing apparatus

Details Magnetic brush developing apparatus Magnetic brush developing apparatus

1981-05-20

1983-07-12

Braun, Fred L.

Photocopying

Including fiber optics

118657, 118658, G03G 1509

Patent

active

043927351

ABSTRACT:
A magnetic brush developing apparatus which has a developing sleeve rotatably driven in a specified direction, a magnetic roller provided within the developing sleeve and rotatably driven at a high speed in the same direction as the direction of rotation of the developing sleeve, and a scraper for scraping from the peripheral surface of the sleeve the magnetic developer conveyed along the surface thereof. The scraper is a thin metal plate and has a forward end portion shaped in the form of a circular arc having approximately the same curvature as the peripheral surface of the sleeve. The developer scraped off the sleeve surface is conveyed along the end portion of the scraper at a relatively high speed.

REFERENCES:
patent: 4140388 (1979-02-01), Ikesue
patent: 4235194 (1980-11-01), Wada et al.

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