Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1979-04-30
1981-06-30
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
15421, E04H 320
Patent
active
042754747
ABSTRACT:
Provided is a vacuum head for a swimming pool cleaning system, the head being of the bristle-type for use particularly on vinyl liners, and the like, and comprising a wide, substantially shallow structure including an elongated top, walls and an outlet oriented upwardly from the top and communicating with the generally hollow interior of the head, the upright outlet forming a first connection for attachment of a vacuum hose to the head. A second hose of a diameter smaller than that of the first hose may be detachably positioned over an adapter member which is removably fitted within the first hose connection. Suction control in the form of at least one water by-pass valve is provided in the head top, enabling water sucked into the head interior to be selectively released therefrom, thereby preventing an excessively high suction force in the head intake area and such a force resulting from too great a build-up of vacuum within the cleaning system. Fixedly secured to the head top inner surface are a pair of axially opposed stabilizing weights and a connection for attachment of a handle or pole is provided at the top outer surface.
REFERENCES:
patent: 953825 (1910-04-01), Gekeler
patent: 2295817 (1942-09-01), Winther
patent: 2452612 (1948-11-01), Swenberg
patent: 2648396 (1953-08-01), Kirby
patent: 3008160 (1961-11-01), West
patent: 3039122 (1962-06-01), Birdsall
patent: 3820189 (1974-06-01), Roth
patent: 3994042 (1976-11-01), Zakis
patent: 4053962 (1977-10-01), McDowell
Lynch Matthew P.
Roberts Edward L.
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