Photocopying – Contact printing – Light boxes
Patent
1989-03-23
1990-02-20
Braun, Fred L.
Photocopying
Contact printing
Light boxes
15308, 355215, G03G 2100
Patent
active
049030841
ABSTRACT:
The inner diameter of a single and compact external dusthood that houses the fiber brush of a brush-vacuum cleaning apparatus, is made to be substantially less than the average outer diameter of such fiber brush, thereby creating a substantial interference fit of the brush with the inside of such an external dusthood. The substantial interference contact between the brush and the inside of the external dusthood is such that any open or free air passage ways or air pockets between the brush and the external dusthood are eliminated, and such that toner particles removed by the brush from an image bearing surface are immediately entrained and carried (through the external dusthood) against the inside wall of such external dusthood, thereby preventing such particles from ever becoming airborne, or building up anywhere within the external dusthood.
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Baltrus Leon A.
Creveling Clyde M.
McKeown Donald G.
Reding Thomas E.
Thompson David L.
Braun Fred L.
Eastman Kodak Company
Nguti Tallam I.
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