Photocopying – Including fiber optics
Patent
1979-07-16
1981-05-12
Beha, Jr., William H.
Photocopying
Including fiber optics
118657, G03G 1509
Patent
active
042668689
ABSTRACT:
An apparatus for applying toner particles to a photoconductive surface having multiple magnetic brushes each of which consists essentially of a magnetic inner shaft and a nonmagnetizeable outer sleeve, with both the sleeve and the inner shaft of each brush being capable of independent rotation. The apparatus uses an adjustably mounted doctor blade to apply toner particles to one of the brushes.
The rotation of the inner shafts and sleeves of the brushes, the spacings between the brushes, as well as the magnetic attraction between the brushes affords the transfer of toner from this first brush to the other brushes. Following the transfer of toner, each brush is able to apply toner to the photoconductive surface.
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Bresina Larry J.
Hipp Richard D.
Alexander Cruzan
Barnes John C.
Beha Jr. William H.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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