Building ventilation air inlet assembly
OwnerDarius Hoffeinventor
Life of this patent
Estimating the term…
Abstract
A building ventilation air inlet assembly for providing an adjustable venting assembly to permit automatic inlet of air includes a housing, an air opening extending through the housing, a valve plate pivotally coupled to the housing for selectively covering the air opening, an adjustable valve counterweight coupled to the valve plate for biasing the valve plate into a closed position, and a valve plate stop lanyard coupled between the valve plate and the housing for restricting opening of the valve plate. The valve plate stop lanyard includes a clip member for permitting adjustment of the effective length of the valve plate stop lanyard.
Claims12
A building air inlet assembly comprising:
- a housing adapted for coupling to a building, said housing being structured to include an air opening extending through said housing;
- a valve plate pivotally coupled to said housing for selectively covering said air opening;
- a valve counterweight coupled to said valve plate for biasing said valve plate into a closed position;
- and
- a valve plate stop lanyard coupled between said valve plate and said housing for restricting opening of said valve plate.
Dependencies are inferred from the claim text.