Static structures (e.g. – buildings) – Wall – ceiling – floor – or roof designed for ventilation or...
Patent
1998-01-14
1999-11-02
Aubrey, Beth
Static structures (e.g., buildings)
Wall, ceiling, floor, or roof designed for ventilation or...
523022, E04B 170
Patent
active
059747498
ABSTRACT:
A dust and debris disposal system is adapted to be mounted in an opening formed in a floor, and is used in conjunction with a dust a debris gathering device such as a broom or a mop. A housing is fixed to a flat upper surface of the floor and includes an inclined debris ramp, a raised support shell joined to the debris ramp and a downwardly depending neck extending through the opening in the floor. The debris ramp is defined by a ramp inlet formed by a peripheral edge of the housing, a ramp rim located inwardly from the ramp inlet and provided with a pair of ends, and a pair of spaced ramp curbs. Each of the curbs extends inwardly and upwardly at an inclined angle with respect to the ramp inlet and intersects with one end of the ramp rim. The support shell is formed with a sweep ridge extending opposite the ramp rim and at an elevation above the ramp rim. The ramp rim, the sweep ridge and the housing define a dust and debris orifice in communication with the tubular neck. A tubular debris shaft is connected to the neck, and a receptacle is attached to the debris shaft. With this construction, dust and debris gathered from the floor through the use of a broom or mop is swept to the ramp inlet up the debris ramp, guided by the ramp curbs and deposited over the ramp rim into the dust and debris orifice from which the dust and debris will fall by gravity through the neck and the debris shaft to the receptacle. Dust and debris remaining attached to the broom or mop is dislodged therefrom for release into the dust and debris orifice by engaging the broom or mop against the sweep ridge and/or dust loosening ribs extending forwardly and perpendicularly of the sweep ridge.
REFERENCES:
patent: 5758462 (1998-06-01), Finn
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