Swimming pool chemical dispenser
AssigneeOlin Corporation
InventorsRoy P. Alexander, J. Philip Faust, Alan H. Milford
Life of this patent
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Abstract
A pool chemical dispenser is provided that comprises a rotatably adjustable top, a container and a ballast disk cooperative with the top such that the specific gravity of the material of the top and the container is less than 1.0 and the specific gravity of the material of the ballast disk is greater than 1.0 thereby permitting the dispenser to float off the bottom of the skimmer in which it is immersed in water when less than about 10% of the pool chemical remains in the container and invert, remaining on the top of the surface of the water to indicate the pool chemical is exhausted.
Claims27
A dispenser for dispensing a swimming pool chemical into surrounding water while the dispenser is immersed in the water, comprising in combination:
- (a) a container for holding the pool chemical, the container being open-topped with a closed bottom and formed of a material with a specific gravity of less than 1.0;
- (b) an adjustable top with openings therein moveably cooperative with the open-topped container to be moveable through a plurality of positions, the adjustable top also being formed of a material with a specific gravity of less than 1.0;
- and
- (c) ballast means cooperative with and connected to the adjustable top, the ballast means being cooperative with the openings in the adjustable top to form at least one opening in the dispenser to permit the pool chemical to be dispensed from the container at a selectively controlled rate, the ballast means further being formed of a material such that the combined specific gravity of the adjustable top and the ballast means is greater than the specific gravity of the container so that the dispenser becomes top heavy when less than about 10% of the pool chemical remains in the container and the dispenser inverts thereby dispensing the remainder of the pool chemical from the container and signaling that the dispenser is empty.
A dispenser having a combined specific gravity for dispensing a swimming pool chemical into surrounding water while the dispenser is immersed in the water, the dispenser further having a bottom container formed of a material with a first specific gravity for holding the pool chemical and a top formed of a material with openings therein to dispense the pool chemical, the improvement comprising in combination:
- (a) ballast means cooperative with and connected to the top and formed of a material with a second specific gravity such that the combined specific gravity of the top and the ballast means is greater than the first specific gravity of the bottom container so that the dispenser becomes top heavy when less than about 10% of the pool chemical remains and inverts, thereby dispensing the remainder of the pool chemical from the bottom container;
- and
- (b) flotation means affixed to the bottom container to permit the container to float and invert, when cooperative with the ballast means, to dispense the remainder of the pool chemical.
Dependencies are inferred from the claim text.