Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1980-05-11
1981-09-15
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
4490, 15 17, B08B 908, B08B 302
Patent
active
042891558
ABSTRACT:
A selectively adjustable buoyancy float for a pool cleaner is provided in order to suspend the cleaner below the upper surface of the water such that the pool cleaner can operate without being impeded by a pool cover.
REFERENCES:
patent: 3261371 (1966-07-01), Vernon
patent: 3295540 (1967-01-01), Ortega
patent: 3521304 (1970-07-01), Ghiz
patent: 3758276 (1973-09-01), Bond et al.
patent: 4023581 (1977-05-01), Pansini et al.
patent: 4089074 (1978-05-01), Sermons
Anthony Pools, Div. of Anthony Indus.
Bleutge Robert L.
Netter George J.
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