Developing device

Details Developing device Developing device

1984-08-29

1985-04-16

Braun, Fred L.

Photocopying

Including fiber optics

118657, 118658, G03G 1509

Patent

active

045112398

ABSTRACT:
A developing device including a magnet, a non-magnetic sleeve for supporting magnetic developer and a magnetic blade for forming a layer of magnetic developer on the surface of the sleeve in successive order and in mutually separated manner. Assuming the half-peak width of the principal pole of said magnet is 2l, the relative position .theta. of the magnetic blade with respect to the center line of the magnetic pole is selected within a range .theta..ltoreq.l in the moving direction of the sleeve and within a smaller range in the opposite direction. Further, the relative position .theta. is rendered adjustable in order to regulate the developing density.

REFERENCES:
patent: 4081571 (1978-03-01), Nishihama et al.
patent: 4119060 (1978-10-01), Mochizuki et al.
patent: 4126100 (1978-11-01), Nishihama et al.
patent: 4233935 (1980-11-01), Uehara et al.
patent: 4244322 (1981-01-01), Nomura et al.
patent: 4254202 (1981-03-01), Matsumoto et al.
patent: 4292387 (1981-09-01), Kanbe et al.
patent: 4386577 (1983-06-01), Hosono et al.
patent: 4387664 (1983-06-01), Hosono et al.
patent: 4391512 (1983-07-01), Nakamura et al.

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