Fluid-wetted or submerged surface cleaning apparatus

Details Fluid-wetted or submerged surface cleaning apparatus Fluid-wetted or submerged surface cleaning apparatus

1996-12-06

1998-12-22

Chin, Randall E.

Brushing, scrubbing, and general cleaning

Submerged cleaners with ambient flow guides

1523601, 1523607, E04H 416, A47L 1302

Patent

active

058506543

ABSTRACT:
An apparatus for cleaning a selected surface, usually fluid-wetted or submerged, has a membrane element. The membrane element comprises a lower surface and an upper surface. The membrane element has a means associated with the upper surface which generates a force which, when in motion, causes the lower surface and the selected surface to be pressed more closely together, particularly embodied as a "wing" cross-sectional profile for added cleaning force and structural support. The lower surface is often textured to create and control fluid motion related inter-surfacial attractive and fluid shearing forces used in the cleaning motion. A perimeter scraping edge surrounds at least a portion of the membrane element. An elongated handle, usually a float, is affixed to the membrane element upper surface. In addition to a slightly concave outer region of the lower surface, the membrane element lower surface may have a concave central region and one or more fluid release apertures piercing the membrane element.

REFERENCES:
patent: 502233 (1893-07-01), Miller
patent: 1927350 (1933-09-01), Schopp
patent: 1973708 (1934-09-01), Heller
patent: 2188114 (1940-01-01), Hubbard
patent: 2682071 (1954-06-01), Linderoth
patent: 2980937 (1961-04-01), Defries
patent: 3630364 (1971-12-01), Johnston
patent: 3699604 (1972-10-01), Hunt
patent: 4422206 (1983-12-01), Brace et al.
patent: 4571766 (1986-02-01), Goldman et al.
patent: 4682558 (1987-07-01), Broersz

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