Cleaning apparatus having airfoils

Details Cleaning apparatus having airfoils Cleaning apparatus having airfoils

1988-06-24

1989-07-25

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

15308, G03G 2100

Patent

active

048518808

ABSTRACT:
A brush-vacuum cleaning apparatus, for removing toner particles from the image-bearing surface of a copier or printer, includes an airfoil located on the inside wall of a cylindrical brush housing. The airfoil relative to the rotation of the brush is positioned adjacent to, and on the upstream side of, a perpendicular slot that connects the interior of the brush housing to a vacuum source. The airfoil contacts and compresses the rotating fibers of the brush causing the fibers to rub against one another and thereby to loosen the toner particles entrained therein. In addition, the airfoil serves to aerodynamically deflect and accelerate the airstream moving with the fibers, deep into the fibers, thereby flushing the loose toner particles out of the brush and out of the housing.

REFERENCES:
patent: 4304026 (1984-12-01), Borostyan
patent: 4435073 (1984-03-01), Miller
Research Disclosure No. 24113 (May 1984), "Cleaning Apparatus", anon.

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