Title: Water saving device for water closet

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Claims: What is claimed is:

1. In a water closet including a toilet bowl, and a toilet tank for supplying flush water to the bowl said tank having outlet means including a tubular conduit for supplying refill water to the bowl after each flush, an adjustable valve interposed in said conduit for controlling the amount of refill water supplied to said outlet means after each flush, said adjustable valve including a first housing member and a second housing member rotatable with respect to one another, one of the housing members having an intermediate wall with an aperture therein, and the other housing member having an intermediate wall with a tapered slot therein positioned relative to the aperture so that the flow of water through the valve is dependent upon the relative angular positions of the first and second housing members.

2. In the water closet defined in claim 1, and in which the housing members are formed of plastic material and are mounted in snap fit relationship with one another.

Other info:

Inventors: Butler, James L. (Westlake Village, CA, US)

Application Number: 869503
Filing Date: 1978-01-16
Publication_date: 1979-03-27
Assignee: American Water Engineering Corporation (Los Angeles, CA)
Primary Class(es): 4/415 4/324, 4/391, 137/441
Other Classes:
US Patent Ref:

2917271	Dec, 1959	Banks	138/46.
3086546	Apr, 1963	Brown	137/441.
3562782	Feb, 1971	Zychal	138/46.
3744064	Jul, 1973	Preston	4/366.
3799132	Mar, 1974	MacGuire	138/46.
3902201	Sep, 1975	Bobo	4/366.

Other Refs:
Primary Examiner: Artis, Henry K.
Assistant Examiner:
Attorney: Beecher; Keith D.