Baths – closets – sinks – and spittoons – Ventilation – Seat structure
Reexamination Certificate
2000-04-19
2001-07-17
Phillips, Charles E. (Department: 3751)
Baths, closets, sinks, and spittoons
Ventilation
Seat structure
Reexamination Certificate
active
06260215
ABSTRACT:
BACKGROUND
Background of the Invention
The present invention relates generally to foul air removal apparatus for a toilet, and, more particularly, to such apparatus including foul air inlet and fresh air outlet means incorporated into the toilet seat.
SUMMARY
In accordance with the practice of the present invention, foul air inlet means are connected to a toilet seat adjacent its rear side (i.e., where rotatably connected to the toilet bowl) and extend downwardly somewhat into the bowl above the water. Similarly, a filtered air outlet means are secured to the front underside of the seat and extend downwardly into the bowl above the bowl water. A first hollow tubular member is incorporated within the seat body having one end connected to the foul air inlet means and its other end exiting adjacent one part of the hardware that rotatably interconnects the seat to the bowl. A second tubular member incorporated within the toilet seat body extends from the filtered air outlet means to an exit point adjacent a second hardware part for rotatably mounting the seat to the bowl.
An air filtration unit is located conveniently adjacent the toilet seat (e.g., resting on the toilet water tank behind the seat or mounted onto an adjacent wall) and includes a first flexible tube interconnecting the unit inlet with the foul air seat opening and a second flexible tube interconnecting the unit filtered air outlet to the seat opening for the filtered air outlet means. Also, an electrically powered apparatus for moving air through the unit is incorporated within the unit.
The two flexible tubes are interconnected by individual fittings each of which includes an opening for providing communication with a respective tubular member exit opening.
A further feature is the location of a pushbutton electrical switch on the upper surface of the toilet seat which is actuated when someone sits on the seat to energize the filtration unit and remove foul air for filtration.
In a further embodiment of the invention, flexible tubes interconnect the seat to an electric fan air pressurizing means which both exits the foul air from the bathroom via a wall opening and provides fresh air to the seat.
REFERENCES:
patent: 4251888 (1981-02-01), Turner
patent: 5345617 (1994-09-01), Jahner et al.
patent: 5454122 (1995-10-01), Bergeron
patent: 9106717 (1991-05-01), None
Netter George J.
Phillips Charles E.
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