Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1994-11-29
1996-01-30
Roberts, Jr., Edward L.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
15 17, 15160, 15246, F04H 316
Patent
active
054873975
ABSTRACT:
A hydrofoil (10) is disclosed for attachment to a pool brush (12) to facilitate cleaning the side walls of a pool. The hydrofoil is pivotally attached to the handle through a resilient clip (30) passing through a pair of opposed holes (24) in the hydrofoil (10) and received in matching engagement pin receiving apertures (48, 50) in a notch (46) in the hydrofoil (10). As the pool brush (12) is moved up and down along the side of the pool, the hydrofoil pivots and causes the water to force the pool brush against the side of the pool to facilitate cleaning.
REFERENCES:
patent: 2243576 (1941-05-01), Otto
patent: 3003168 (1961-10-01), Shouldice
patent: 4247216 (1981-01-01), Pansini
patent: 4637087 (1987-01-01), Feinberg
patent: 4733427 (1988-03-01), Conrad
patent: 4742592 (1988-05-01), Addona, Sr.
patent: 4783868 (1988-11-01), O'Callaghan
patent: 4962558 (1990-10-01), Harrell, Jr.
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