Water saving faucet valve

Details Water saving faucet valve Water saving faucet valve

2006-08-22

2006-08-22

Keasel, Eric (Department: 3753)

Fluid handling

Faucets and spouts

C137S901000, C251S354000, C251S339000, C251S262000

Reexamination Certificate

active

07093615

ABSTRACT:
A water saving faucet valve includes an elongated body having inlet and outlet ends, and high and low pressure chambers interconnected by a coaxial flow channel. A valve stem is slidably retained in the flow channel to move between a lowered position, in which water is prevented from flowing through the valve, and a raised position, in which water is permitted to flow through the valve. The valve stem is raised and lowered by movement of a cam on a shaft that is rotated by movement of an elongated actuation arm, such that the valve can be fully actuated by a slight pressure applied to the arm, and automatically shuts off when the pressure is removed. The valve includes apparatus for coupling it to the outlet of a conventional standard faucet, and may include apparatus for aerating the water flowing through it.

REFERENCES:
patent: 576068 (1897-01-01), O'Lally
patent: 602598 (1898-04-01), Field
patent: 615774 (1898-12-01), Zimmerman
patent: 635104 (1899-10-01), Lunken et al.
patent: 2269127 (1942-01-01), Riley
patent: 2785881 (1957-03-01), Dolan
patent: 5288053 (1994-02-01), Young
patent: 5290008 (1994-03-01), Young
patent: 6588682 (2003-07-01), Flieger
patent: 2004/0011978 (2004-01-01), Shen et al.

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