Ventilation – Having inlet airway – Including specific air distributor
Reexamination Certificate
2003-03-11
2004-08-17
Joyce, Harold (Department: 3749)
Ventilation
Having inlet airway
Including specific air distributor
C049S463000, C160S106000
Reexamination Certificate
active
06776709
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an apparatus for use during the construction of homes and buildings wherein a floor vent may be covered to prevent debris from entering the vent during construction, but selectively opened to allow the passage of airflow, such as heating or cooling air, as desired during construction.
BACKGROUND OF THE INVENTION
There has been a need in the field of construction to prevent debris from entering floor vents. This debris may be various types of objects including saw dust, small pieces of wood, pieces of dry wall, dirt, nails and various other debris generated during the construction process. This debris falls down into the floor vent and often times ends up in a portion of the duct where it could congest the duct and the floor vent. Such floor vents are difficult to clean out, and are often not adequately cleaned prior to the completion of the construction. Very often, air deflectors are placed over the vents and the debris remains in the vents.
Recently, this problem has been addressed by Karnes in U.S. Pat. No. 6,196,597 B1 wherein Karnes discloses a relatively complicated heating duct structure which includes a floor mounted elbow boot which is equipped with a removable plastic cover to prevent dust, dirt and debris from accumulating in the installed heating duct during finish construction of the building. However, this requires an expensive especially made floor mounted elbow boot which is equipped with this special duct cover. It is only available with the particular duct. It requires the molding of a particular plastic cover to exactly fit the particular duct.
SUMMARY OF THE INVENTION
The present invention provides numerous advantages including the fact that it is a relatively inexpensive item which may be used and disposed of after a single use. However, alternatively, the openable floor vent cover of the present invention may be reused on multiple occasions if so desired.
Briefly and basically, the present invention comprises an apparatus which includes a board having a length and a width larger than the vent to be covered. The board is provided with a first and a second surface with an airflow permeable debris barrier secured to the periphery of the first surface of the board. The board is provided with a cut substantially in the shape and size of the vent to be covered. In use, the periphery of the board with the airflow permeable debris barrier attached thereto is secured to the subfloor surrounding a vent during construction and the portion of the board within the cut is selectively removable to enable airflow from the vent as desired.
In a presently preferred embodiment, the board is made from cardboard and can be provided with a foil covering. However, it is understood that other suitable rigid and semi-rigid materials may be utilized to construct the board including wood or composite manufactured materials. The airflow permeable debris barrier may be stapled to the cardboard, or it may be applied adhesively or by any other type of fastener. According to a unitary embodiment of the present invention, the airflow permeable debris barrier and the board are formed from a single blank, such as a cardboard blank, that is folded in half and the two halves are stapled or otherwise fastened together.
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Moore, Jr. Fred D.
Reilly Debra
Comfort Creators, Inc.
Drinker Biddle & Reath
Joyce Harold
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