Automatic water level keeper for swimming pools

Claim 1

An automatic water level keeper in combination with an aboveground swimming pool having a circumferential wall of predetermined height, said keeper comprising: a. a water tank located adjacent the outer periphery of said wall; b. a float actuated valve mounted on said tank, said valve being so dimensioned as to open and close in response to the presence of water in said tank at a level which is respectively less than and more than a predetermined height; c. a water hose connected to the supply side of said valve discharging into said tank, said valve opening to permit the discharge of water into said tank when the water level in said tank falls below said predetermined height, and closing to prevent the discharge of water into said tank when the water level in said tank rises above said predetermined height; d. pipe means connecting said tank and said pool for equalizing the water level in said tank and said pool; e. a vertically telescoping ground supported standard supporting said tank, said telescoping standard including indicia effective to indicate the height above ground to which said tank is to be located to establish the desired height above ground of the water level of said pool.