Pool cleaning device for rolling operation under pool cover

Details Pool cleaning device for rolling operation under pool cover Pool cleaning device for rolling operation under pool cover

1982-11-01

1984-02-14

Hruskoci, Peter A.

Liquid purification or separation

Structural installation

Closed circulating system

4490, 134 52, 134167R, 2102421, E04H 320

Patent

active

044315384

ABSTRACT:
A positive buoyancy programmed motion pool cleaning device is adapted for rolling operation under a floating pool cover so that encountered cover discontinuities such as folds, borders and tears do not interrupt and stop the operation of the device. The pool cleaning device is of the type that has two positive buoyancy portions, these portions typically being positioned fore and aft. At least one and preferably two inverted casters are utilized, the casters each preferably becoming the positive buoyancy portion of the cleaning device. Overall positive buoyancy of the cleaning device causes the caster to ride on the overlying cover at the cover pool interface. The caster is provided with a fairing to reduce drag. A ramp at the leading end of the caster on the upward edge of the inverted fairing allows encountered cover discontinuities to pass smoothly over the fairing to the upwardly exposed caster. The constraint of the overlying pool cover to cause increased tendency of the pool cleaning device to foul pool obstructions, such as ladders and gutter mounted devices, is avoided by providing a housing between the respective casters and a wheel around the rear caster.

REFERENCES:
patent: 3718148 (1973-02-01), Gibellina
patent: 3849312 (1974-11-01), Wecker, Sr.
patent: 3883366 (1975-05-01), Blumenfeld
patent: 4087286 (1978-05-01), Sexton et al.
patent: 4141101 (1979-02-01), Gibellina

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