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US 4,014,390 AGranted
Beach cleaner apparatus
OwnerAntone S. Teixeirainventor
Life of this patent
Estimating the term…
Abstract
A beach cleaner vehicle is drawn across sand. A scraper blade shaves a layer of sand and debris from the sand surface. A continuous conveyor transports the sand and debris over sifter bars within the chassis of the beach cleaner. A foraminous sifter separates debris and permits sand to fall back to the beach. The sifting process is enhanced by a system adapted to vibrate the foraminous sifter during operation of the beach cleaner. Debris is deposited in a trash basket which is hydraulically dumped.
Claims26
A beach cleaner apparatus comprising
- a wide vehicular chassis for moving across a surface of sand,
- a wide continuous conveyor, attached to the vehicular chassis and extending across the chassis, for carrying sand and debris removed from a surface of sand along a conveyor run in the vehicular chassis,
- a sifting deck having lateral beams attached to the vehicular chassis and lying below the prescribed path through which the sand and debris are carried by the continuous conveyor, which sifting deck is formed with a plurality of apertures of sufficient dimensions to permit grains of sand to fall through to the beach and of sufficient dimension to block the passage of debris;
- and
- a sand lifting blade, attached to a lower end of the sifting deck and extending forward beyond the conveyor, which sand lifting blade extends downward from the vehicular chassis into the sand at an oblique angle with respect to the surface of the sand such that a lifting edge of the sand lifting blade is pointed in a direction of forward motion of the vehicular chassis;
- a transverse medial pivot rod connected to pillow blocks on the dependent chassis and to lugs on lateral beams of the sifting deck for pivoting the sifting deck and the attached lifting blade from front to rear at an approximate central area of the deck, and hydraulic actuators connected between the sand lifting edge and the chassis to raise and lower the sand lifting edge to adjust a depth of entry of the cutting edge into a surface of sand;
- whereby, a thin layer of sand and debris is shaved from the surface of the sand by the sand lifting blade;
- and whereby, debris is separated from the sand by the subsurface sand lifting blade;
- and whereby, debris is separated from the sand by the sifting deck over which the sand and debris are drawn by the continuous conveyor, the sand being returned to the beach, and the debris being collected.
6 more elements
Dependencies are inferred from the claim text.