Magnetic brush development apparatus

Details Magnetic brush development apparatus Magnetic brush development apparatus

1984-05-01

1986-04-15

Prescott, A. C.

Photocopying

Including fiber optics

222DIG1, 118657, 118658, G03G 1500

Patent

active

045824142

ABSTRACT:
Magnetic brush development apparatus for use in reproduction apparatus in which a support carrying a developable latent image is moved through a development zone which is transversely inclined at a predetermined angle to the horizontal. The development apparatus includes a stationary non-magnetic inclined applicator with a segment located adjacent to the development zone. The applicator is supplied with magnetic developer which is distributed over the surface of the applicator through the influence of gravity and of a magnet assembly rotatably mounted within the applicator. A reservoir associated with the applicator accumulates developer moved about the periphery of the applicator and levels it to produce a uniformly thick layer in the development zone. A transport assembly is positioned at the inlet to the reservoir to transport excess developer from the reservoir back up the applicator against the influence of gravity to deposit developer in the reservoir in areas which are deficient in developer and to remove excess developer from the applicator at the upper end thereof when the reservoir is full.

REFERENCES:
patent: 3664299 (1972-05-01), Shaler
patent: 3724725 (1975-04-01), Stauffer
patent: 3825936 (1974-07-01), Ott et al.
patent: 4060105 (1977-11-01), Feldersen
patent: 4101211 (1978-07-01), Kayson
patent: 4168901 (1979-09-01), Ito et al.
patent: 4173405 (1979-11-01), Swapceinski
patent: 4354763 (1982-10-01), Koiso et al.
Research Disclosure 16677, Feb. 1978, entitled "Developer Distribution Apparatus".
Research Disclosure 17512, Nov. 1978, entitled "Magnetic Brush Development Station".

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