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Ventilation fan

  • US 4,261,255 A
  • Filed: 10/09/1979
  • Issued: 04/14/1981
  • Est. Priority Date: 10/09/1979
  • Status: Expired due to Term
First Claim
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1. A ventilator structure comprising:

  • wall means defining a housing having a bottom inlet opening and a side outlet opening;

    a wall member defining a discharge duct;

    air moving means carried by said wall member; and

    mounting means movably mounting said wall member and air moving means carried thereby to said wall means for selective repositioning thereof from a retracted position wherein said duct and air moving means are disposed within said housing for effectively minimizing the transverse size of the ventilation structure as during installation thereof, to an operative position wherein said duct projects substantially outwardly from said outlet opening at an angle to the vertical for delivering air from said housing at said angle to the upward direction of flow into said inlet opening.

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