Cleaning and liquid contact with solids – Processes – Combined
Patent
1985-03-15
1986-04-08
Roberts, Edward L.
Cleaning and liquid contact with solids
Processes
Combined
15 17, 134 21, 210169, E04H 320
Patent
active
045810753
ABSTRACT:
A self-powered water pump and filter unit is removeably mounted upon a water borne vessel to draw an attached vacuum head across the bottom of a pool while simultaneously providing a propulsion force to propel the vessel along the water surface. Directional control of the propelled vessel is provided by manually controlling the direction of the propulsion force.
REFERENCES:
patent: 2646889 (1953-07-01), Dulak
patent: 3412862 (1968-11-01), Chaplin
patent: 3416176 (1968-12-01), Ravitts
patent: 4240174 (1980-12-01), Thiem et al.
Maxi-Sweep, Inc.
Roberts Edward L.
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