Fluid handling – Removable valve head and seat unit – Retained by bonnet or closure
Patent
1976-02-06
1976-12-21
Schwadron, Martin P.
Fluid handling
Removable valve head and seat unit
Retained by bonnet or closure
1376361, 1376364, F16K 1114
Patent
active
039982416
ABSTRACT:
A faucet for somewhat universal usage is provided with a self-contained, replaceable cartridge unit which has a pair of pin-like valve elements and a hollow cylindrical operating cam for effecting individual and dual control of the opening and closing of a flow through a pair of inlet-seating passages, such as for cold and hot water. The cam is provided with an operating stem and knob for turning it to control the amount of flow from either of a pair of inlets and for moving it longitudinally or axially to further control flow into a mixing chamber and out through a side outlet in the cartridge. The cam may be operated selectively to provide a full or proportionate flow of either hot or cold water or of both of them. The operation of the valve elements is positively guided throughout as controlled by the operating stem and the cam and without the need for spring means or the like. The body of the faucet which may be directly mounted on a tub, sink, wall or other fixture serves to replaceably receive the cartridge which, in addition to the cam and the valve elements, has liquid supply seating passages for the valve elements that are adapted to align with liquid supply passages in the body. The cartridge may be of an inexpensive material, such as a resin, and is mounted in such a manner that it may be easily replaced without dismantling the body or its water connections.
REFERENCES:
patent: 1095003 (1914-04-01), Leonard
patent: 1840961 (1932-01-01), Kuenzler
patent: 3421540 (1969-01-01), Fulton et al.
patent: 3437112 (1969-04-01), Church
Jones Lloyd K.
Yanov David A.
Elk Manufacturing Company, Inc.
Gerard Richard
Schwadron Martin P.
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