Heavier-than-water pool cleaning device

Details Heavier-than-water pool cleaning device Heavier-than-water pool cleaning device

1989-02-22

1991-02-19

Fisher, Richard V.

Liquid purification or separation

Structural installation

Closed circulating system

210241, 2104162, 403 76, 15 17, 405 74, B01D 2104

Patent

active

049941780

ABSTRACT:
A device for cleaning a swimming pool has a pair of spaced parallel and aligned wings connected at their ends by bridge members to define a mouth, a bag fast with the wings at their trailing edges, a hinged draw-bar centrally connected to the front sides of the bridge members, triangular fins extending from outer surfaces of the wings, and a connecting component for connection to a hose which supplied water under pressure, the connecting component being connected to the draw bar by a ball-and-socket joint and having two jets angled towards the draw-bar. The device is heavier than water and is such that when it sinks in water the wings pivot about the hinge of the draw bar so that their trailing edges are above their leading edges.

REFERENCES:
patent: 2658625 (1953-11-01), Rafferty
patent: 3063077 (1962-11-01), Pansini
patent: 3825356 (1974-07-01), Crook
patent: 3863237 (1975-01-01), Doerr
patent: 3921654 (1975-11-01), Pansini
patent: 4040864 (1977-08-01), Steeves
patent: 4518495 (1985-05-01), Harding
patent: 4749478 (1988-06-01), Brooks
patent: 4778599 (1988-10-01), Brooks

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