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US 4,909,173 AGranted
Scrubbing device for submerged surfaces of boat hulls and the like
OwnerDwight J. Stronginventor
Life of this patent
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Abstract
Presented is a device for scrubbing submerged surfaces that have become fouled by marine growth or other contaminants. The scrubbing device includes a base member to which may be attached various types of abrading devices and a handle for reciprocating the scrubbing device. A vane pivotally mounted on the base interacts with the water in which the device is submerged, when reciprocated, to impose a component of force on the scrubbing device that drives the scrubbing device against the surface to be scrubbed.
Claims9
A device for cleaning surfaces submerged below a body of water, comprising;
- (a) a non-buoyant base member;
- (b) means detachably secured on the non-buoyant base member for abrading the surface to be cleaned;
- (c) a handle relatively stiff in a longitudinal direction and connected to said non-buoyant base member and adapted for reciprocation by an operator manipulating the device to alternately impose tension and compression on the handle to effect reciprocation of said non-buoyant base member and said means thereon for abrading the surface to be cleaned;
- (d) a vane pivotally mounted by one end on the non-buoyant base member on the side thereof opposite said means for abrading and operative to impose a force on said means for abrading in the direction of the surface to be cleaned when said device is reciprocated in the water;
- and
- (e) said handle comprising an elongated member relatively flexible in a transverse direction and detachably secured at one end to said base member and of sufficient length to enable manipulation of the relatively stiff handle from the other end thereof from outside the body of water.
3 more elements
Dependencies are inferred from the claim text.