Fluid sprinkling – spraying – and diffusing – Unitary plural outlet means – Having interior filter or guide
Reexamination Certificate
2000-06-07
2001-08-07
Scherbel, David A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Unitary plural outlet means
Having interior filter or guide
C239S525000
Reexamination Certificate
active
06270023
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates generally to devices for treating fluids and, more particularly, to a combination hand held shower head and unitary filter housing for the removal of unwanted contaminants, such as chlorine, from water.
2. Description of Related Art
My U.S. Pat. No. 6,016,977, issued Jan. 25, 2000, discloses a hand held shower dechlorinator with a reversible and reusable filter held in an elongated, hollow handle secured to a shower head.
While the foregoing prior art device provides improved filtration of water passing through it, the hand held handle must be removed, the filter cartridge removed from the handle and reversed or a new filter cartridge inserted therein. This is not always convenient, and the filter cartridge holds a limited amount of filter media, unless made very large, either in diameter or length. This would necessitate the lengthening or broadening of the hand held housing, thereby adding to the cost and difficulty in use thereof. Therefore, there exists a need in the art for an improved hand held shower head filter housing.
SUMMARY OF THE INVENTION
Accordingly, it is a general object of the present invention to provide an improved shower water filter. It is a particular object of the present invention to provide an improved hand held device for filtering contaminants from shower water. It is a still more particular object of the present invention to provide an improved combination hand held shower head and filter for filtering contaminants from hot water passing therethrough at high flow rates. It is yet a more particular object of the present invention to provide an improved hand held shower head and water filter that meets the demanding filtering capacity and temperature requirements of modern water supplies having higher concentrations of toxins therein, and which is versatile in use. And, it is a further particular object of the present invention to provide an improved hand held shower head and water filter having a unitary handle holding filter media therein.
In accordance with one aspect of the present invention, there is provided a hand held shower head and water filter having a unitary, elongated, hollow handle with filter media held therein. The unitary handle and filter may have a filter media, such as non-soluble calcium sulfite inserted herein, either alone or combined with a copper-zinc medium, to allow for the improved treatment of hot shower water, at high flow rates, in a versatile, portable unit, in which the combination handle and filter may be easily removed and replaced.
REFERENCES:
patent: 4151957 (1979-05-01), Gecewicz et al.
patent: 4394965 (1983-07-01), Backe et al.
patent: 5360172 (1994-11-01), Wang
patent: 6016977 (2000-01-01), Farley
Hwu Davis
O'Neill James G.
Scherbel David A.
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