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US 11,231,191 B2Granted
Automatic foundation vent plug with manual override
AssigneeAir Vent, Inc.
InventorRichard Fieldhouse
Life of this patent
Estimating the term…
Abstract
A housing with a top wall, a bottom wall, left end wall, right end wall, and a front cover each having a plurality of openings; a louver connector in a first opening of a first louver and a second opening of a second louver and connected to a third louver that extends between the left end wall and an interior wall (the louvers each being pivotally mounted); a connector attached to the third louver that receives a tab end of a bi-coil that is thermally activated to move the third louver to an open or closed position and the louver connector moves the first louver and the second louver to a corresponding position; and a manual override lever that moves the second louver to an open or closed position and the louver connector moves the first louver and the third louver to a corresponding position.
Claims19
An automatic foundation vent plug with manual override, the automatic foundation vent plug with manual override comprising:
- a housing, the housing having a top wall and a bottom wall extending substantially parallel to one another and a left end wall and a right end wall extending substantially parallel to one another and a front cover extending between the top wall, the bottom wall, the left end wall and the right end wall and a plurality of openings in the front cover, the top wall, bottom wall, the left end wall and the right end wall;
- a louver connector;
- at least two tabs in the left end wall and at least two tabs in the right end wall;
- and
- an internal flange to receive the at least two tabs in the left end wall and at least two tabs in the right end wall;
- a first louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall a right end protrusion pivotally mounted in the right end wall and the first louver having a first opening that accepts a portion of the louver connector;
- a second louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall and a right end protrusion pivotally mounted in the right end wall and the second louver having a second opening that accepts a portion of the louver connector;
- a third louver shorter in length than then first louver and the second louver and extending between the left end wall and an interior wall and having a left end protrusion pivotally mounted in the left end wall;
- a connector attached to the third louver above the interior wall, wherein the connector receives a tab end of a bi-coil that is pivotally mounted in the right end wall, wherein the louver connector is attached to the third louver at a left side of the third louver, wherein the bi-coil is thermally activated to move the third louver to an open or closed position and the louver connector moves the first louver and the second louver to a corresponding position;
- and
- a manual override lever with a push end, a middle portion and a louver end, wherein the louver end is communication with the second louver to move the second louver to an open or closed position and the louver connector moves the first louver and the third louver to a corresponding position.
8 more elements
An automatic foundation vent plug with manual override, the automatic foundation vent plug with manual override comprising:
- a housing, the housing having a top wall and a bottom wall extending substantially parallel to one another and a left end wall and a right end wall extending substantially parallel to one another and a front cover extending between the top wall, the bottom wall, the left end wall and the right end wall and a plurality of openings in the front cover, the top wall, bottom wall, the left end wall and the right end wall;
- a louver connector;
- a first louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall a right end protrusion pivotally mounted in the right end wall and the first louver having a first opening that accepts a portion of the louver connector;
- a second louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall and a right end protrusion pivotally mounted in the right end wall and the second louver having a second opening that accepts a portion of the louver connector;
- a third louver shorter in length than then first louver and the second louver and extending between the left end wall and an interior wall and having a left end protrusion pivotally mounted in the left end wall;
- a connector attached to the third louver above the interior wall, wherein the connector receives a tab end of a bi-coil that is pivotally mounted in the right end wall, wherein the louver connector is attached to the third louver at a left side of the third louver, wherein the bi-coil is thermally activated to move the third louver to an open or closed position and the louver connector moves the first louver and the second louver to a corresponding position;
- and
- a manual override lever with a push end, a middle portion and a louver end, wherein the louver end is communication with the second louver to move the second louver to an open or closed position and the louver connector moves the first louver and the third louver to a corresponding position,
- wherein the first louver has a substantially straight upper leg portion with a curved L shaped end, a middle portion with the protrusion and a curved lower leg portion having a upper portion and a curved lower portion.
6 more elements
An automatic foundation vent plug with manual override, the automatic foundation vent plug with manual override comprising:
- a housing, the housing having a top wall and a bottom wall extending substantially parallel to one another and a left end wall and a right end wall extending substantially parallel to one another and a front cover extending between the top wall, the bottom wall, the left end wall and the right end wall and a plurality of openings in the front cover, the top wall, bottom wall, the left end wall and the right end wall;
- a louver connector;
- a first louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall a right end protrusion pivotally mounted in the right end wall and the first louver having a first opening that accepts a portion of the louver connector;
- a second louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall and a right end protrusion pivotally mounted in the right end wall and the second louver having a second opening that accepts a portion of the louver connector;
- a third louver shorter in length than then first louver and the second louver and extending between the left end wall and an interior wall and having a left end protrusion pivotally mounted in the left end wall;
- a connector attached to the third louver above the interior wall, wherein the connector receives a tab end of a bi-coil that is pivotally mounted in the right end wall, wherein the louver connector is attached to the third louver at a left side of the third louver, wherein the bi-coil is thermally activated to move the third louver to an open or closed position and the louver connector moves the first louver and the second louver to a corresponding position;
- and
- a manual override lever with a push end, a middle portion and a louver end, wherein the louver end is communication with the second louver to move the second louver to an open or closed position and the louver connector moves the first louver and the third louver to a corresponding position,
- wherein the second louver has a substantially straight upper leg portion with a curved L shaped end, a middle portion and a substantially straight lower leg portion with a return leg.
6 more elements
An automatic foundation vent plug with manual override, the automatic foundation vent plug with manual override comprising:
- a housing, the housing having a top wall and a bottom wall extending substantially parallel to one another and a left end wall and a right end wall extending substantially parallel to one another and a front cover extending between the top wall, the bottom wall, the left end wall and the right end wall and a plurality of openings in the front cover, the top wall, bottom wall, the left end wall and the right end wall;
- a louver connector;
- a first louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall a right end protrusion pivotally mounted in the right end wall and the first louver having a first opening that accepts a portion of the louver connector;
- a second louver extending between the left end wall and the right end wall with a left end protrusion pivotally mounted in the left end wall and a right end protrusion pivotally mounted in the right end wall and the second louver having a second opening that accepts a portion of the louver connector;
- a third louver shorter in length than then first louver and the second louver and extending between the left end wall and an interior wall and having a left end protrusion pivotally mounted in the left end wall;
- a connector attached to the third louver above the interior wall, wherein the connector receives a tab end of a bi-coil that is pivotally mounted in the right end wall, wherein the louver connector is attached to the third louver at a left side of the third louver, wherein the bi-coil is thermally activated to move the third louver to an open or closed position and the louver connector moves the first louver and the second louver to a corresponding position;
- and
- a manual override lever with a push end, a middle portion and a louver end, wherein the louver end is communication with the second louver to move the second louver to an open or closed position and the louver connector moves the first louver and the third louver to a corresponding position,
- wherein the third louver has a substantially straight upper leg portion having a connector along a mid-section of the substantially straight upper leg portion and a curved L shaped end, a middle portion and a substantially straight lower leg portion with a return leg.
6 more elements
Dependencies are inferred from the claim text.