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US 4,289,155 AGranted
Apparatus for cleaning a swimming pool
AssigneeAnthony Pools, Div. of Anthony Indus.
InventorChester A. Sable
Life of this patent
Estimating the term…
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.
Claims5
In apparatus for cleaning a swimming pool including a flexible conduit connected to a source of pressurized water, one or more hoses connected to said conduit, means powered by the pressurized water to drive the hoses about the pool, and float means for supporting the drive means, hoses and conduit in the water, the improvement comprising:
- the float means includes a float member of selectively variable buoyancy that is adjusted to such buoyancy as to locate the hoses, drive means, conduit and float means below the upper surface of the pool water.
Dependencies are inferred from the claim text.