Frictional control of a single lever faucet construction

Details Frictional control of a single lever faucet construction Frictional control of a single lever faucet construction

1980-06-03

1981-11-24

Schwadron, Martin P.

Fluid handling

Removable valve head and seat unit

Retained by bonnet or closure

1376361, 137607, 251263, 251297, F16K 2500, F16K 31524

Patent

active

043018300

ABSTRACT:
A frictional control for a single lever faucet construction wherein a compensating cam follower member is made from a material having a higher coefficient of friction than that used for two cam followers which actuate valve members effecting mixing of hot and cold water. All of the cam followers are under the control of a single ball cam member. The cam followers which actuate the valve members have convex surfaces to establish substantially point contact with the ball cam member while the compensating cam follower has a concave surface to engage a substantially larger, and preferably spherical, area of the ball cam member.

REFERENCES:
patent: 1167959 (1916-01-01), Wiechert
patent: 2035202 (1936-03-01), Smith
patent: 3037520 (1962-06-01), Thomas
patent: 3184214 (1965-05-01), King
patent: 3369566 (1968-02-01), Schmitt et al.
patent: 3384121 (1968-05-01), Spencer
patent: 3812875 (1974-05-01), Buhler
patent: 3952764 (1976-04-01), Keller
patent: 4051869 (1977-10-01), Holt et al.
patent: 4220175 (1980-09-01), Keller et al.

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