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Forced air apparatus for directing filtered air against a surface

Image Number 3 for United States Patent #5003661.

An apparatus for selectively directing air against surfaces adjacent textile machines to dislodge dust, lint and other textile by-products from such surfaces. The apparatus includes a blower, a support for supporting the blower in a fixed relation to the ceiling above the textile machines, a first air directing assembly for directing the blower air stream in a plane while the assembly is rotated and a second air directing assembly movable in response to rotation of the first air directing assembly to vary the direction of the air stream. Preferably, the first air directing assembly includes a rotating duct portion rotatably mounted in a stationary duct portion of the blower and the second air directing assembly includes a vane pivotally mounted on the rotating duct portion.

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