Patent ID: 7039979
Filing Date: 2006-05-09
Classification: E04H

Abstract:
1. Apparatus for maintaining pressure on a liquid pool cleaning device comprising: an object for attachment to the liquid pool cleaning device, the object having first and second surfaces, the first surface generating a force due to liquid pressure on the first surface causing a downward force on the liquid pool cleaning device in a forward direction of the cleaning device and the second surface generating a force due to liquid pressure on the second surface causing a downward force on the liquid pool cleaning device in a rearward direction of the cleaning device; further wherein the object is movable so that the object moves into a first orientation to exert a downward force on the liquid pool cleaning device when the liquid pool cleaning device is moved in the forward direction and attains a second orientation to exert a downward force on the liquid pool cleaning device when the liquid pool cleaning device is moved in the rearward direction; further comprising an attaching mechanism for attaching the object to the liquid pool cleaning device; wherein the liquid pool cleaning device includes a cleaning head and a pole for manipulation by a user, and further wherein the attaching mechanism attaches the object to the pole; further wherein the pole has a first end adjacent the head and a second end distally disposed from the first end, and wherein the attaching mechanism attaches the object at a point between the first and second ends; and further wherein the object comprises a vane, the vane being hingedly attached to the attaching mechanism whereby the vane attains said first orientation when the cleaning device is moved in the forward direction and the second orientation when the cleaning device is moved in the rearward direction; and the pole has an axis and the vane is disposed above the pole above the axis of the role and the first orientation comprises a position approximately parallel to and adjacent to the pole and the second orientation comprises a position disposed at an angle with respect to the axis of the pole; further wherein the vane moves through at least approximately 90° between the first orientation and the second orientation, wherein the object comprises two vanes having an included angle between the vanes, one of said vanes exerting a downward force on the cleaning head in the forward direction when the object attains the first orientation and the second vane exerting a downward force on the cleaning head in the rearward direction when the object attains the second orientation.