Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1975-07-03
1976-09-14
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
15319, E04H 320
Patent
active
039797880
ABSTRACT:
A mobile machine for cleaning swimming pools by suction removal of sediment from the bottom of the swimming pools comprises a water turbine driving a drive wheel in such a way that the machine follows a self-steered path on the bottom of the swimming pools. The drive wheel is capable of rotating about a vertical steering axle to prevent the machine from becoming blocked at a wall or in a corner of the swimming pools.
REFERENCES:
patent: 3229315 (1966-01-01), Watson
patent: 3676885 (1972-07-01), Wulc
patent: 3790979 (1974-02-01), Foster
Bieri Pumpenbau A.G.
Roberts Edward L.
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