Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1987-10-16
1988-11-15
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
B08B 908
Patent
active
047841710
ABSTRACT:
A pool sweep modification is provided for adapting an existing pool sweep to operate substantially below the surface of the water of a pool including a flotation device for positioning at one end of the water line of the sweep and a weight for attachment to the pool sweep head positioned at the end of the water line opposite the flotation device, the weight and the flotation device being balanced to maintain the pool sweep head substantially level during operation.
REFERENCES:
patent: 3416176 (1968-12-01), Ravitts
patent: 3926667 (1975-12-01), Gibellina
patent: 4434050 (1984-02-01), Selsted
patent: 4461704 (1984-07-01), Selsted
patent: 4675921 (1987-06-01), Jean-Jacques
Coe Philip R.
Schappert Leonard D.
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