Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1993-04-27
1994-03-15
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
E04H 320
Patent
active
052936597
ABSTRACT:
A suction head for a swimming pool cleaner comprising a housing which is open at its lower side and has inclined bristles attached to its lower edge for supporting on a surface to be cleaned. The housing has a rotary sleeve mounted to its top for connection of a suction hose in turn to be connected to a water suction pump. Said sleeve opens in a chamber within the housing in which a vibratory element is pivotally mounted, said element having a crescent or air-foil shape. By a flow of water sucked through said chamber, the vibratory element is automatically brought into a vibrating movement which imparts pulsations on the suction head. Thereby, the inclined bristles are bent and straightened repetitively, resulting in a forward thrust moving the suction head over the surface to be cleaned. At least one foot is disposed in the housing which is cyclically displaced vertically by a driving mechanism driven by the movement of the vibratory element and returned by return springs. Said foot cyclically lifts off the suction head at one side, resulting in a rotational movement of the suction head about a vertical axis so as to change the direction of forward movement of the suction head.
REFERENCES:
patent: 3803658 (1974-04-01), Raubenheimer
patent: 4023227 (1977-05-01), Chauvier
patent: 4275474 (1981-06-01), Woodard
patent: 4536908 (1985-08-01), Raubenheimer
Frentzel Herman E.
Rief Dieter J.
Sebor Paul
Wright Jerauld G.
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