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ADJUSTABLE AND CLOSEABLE AIR DIFFUSER

  • US 3,765,316 A
  • Filed: 04/05/1971
  • Issued: 10/16/1973
  • Est. Priority Date: 04/05/1971
  • Status: Expired due to Term
First Claim
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1. An air diffuser comprising:

  • an upper diffuser section open at both ends for axial air flow therethrough and having an upright side wall and radial vanes connected with said side wall;

    a lower diffuser section telescoped therewith for vertical movement relative to said side wall, said lower diffuser section having means vertically aligned with said vanes for directing the flow of air for discharge in one or more directions, and also having baffle means between said vertically aligned means for proportioning the volume of air to be discharged in said one or more directions; and

    means between said diffuser sections for vertically adjusting said lower section relative to said uPper section.

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