Fluid handling – With means for separating solid material from the fluid – Planar strainer normal to flow path
Patent
1987-08-10
1988-08-23
Chambers, A. Michael
Fluid handling
With means for separating solid material from the fluid
Planar strainer normal to flow path
2671661, 251174, F16K 5100
Patent
active
047653655
ABSTRACT:
A faucet spring utilized to urge the faucet seal member into sealing contact with the rotatable valving member and prevent large debris, such as valve washer screws from previous faucet assemblies, from contacting the valving member under the fluid pressure. The coil spring has a substantially frusto-conical configuration with a smaller diameter upper end which engages the seal and urges it against the valving member. The larger diameter lower end of the spring engages an annular shoulder of the counterbored inlet passage of the valve assembly. The lower end of the spring also includes an obstruction member formed as an extension of the coil spring which extends into the opening of the spring's lower end to prevent large debris from traveling through the spring and seal. As a result, the faucet spring provides the added function of preventing potentially damaging debris from contacting the valving member.
REFERENCES:
patent: 1474160 (1923-11-01), Nugent
patent: 2443309 (1948-06-01), Dzus
patent: 2776056 (1957-01-01), Douglas
patent: 3207010 (1965-09-01), Wendling
patent: 3336942 (1967-08-01), Keith et al.
patent: 4017062 (1977-04-01), Zwirner
patent: 4077426 (1978-03-01), Karie
patent: 4240606 (1980-12-01), Johnson
Chambers A. Michael
Fox John C.
Masco Corporation of Indiana
Permut Steven L.
Redman Leon E.
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