Valve core for single handled faucet

Details Valve core for single handled faucet Valve core for single handled faucet

2005-11-22

2005-11-22

Rivell, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C137S625400, C137S636300

Reexamination Certificate

active

06966335

ABSTRACT:
A valve core for a single handled faucet is made up of a valve housing, a valve stick, a base mount, a switching control valve, and a valve seat wherein the base mount, engaged with the valve stick and mounted onto the switching control valve thereof, is securely located at the valve housing therein, stably refrained from being moved or rotated by the valve stick thereof in operation. The valve stick is pivotally moved at the base mount therein to activate the switching control valve via a protruding connecting section thereof, driving an upper switch valve of the valve seat joined to the bottom of the switching control valve thereof to open the valve core for water discharge. Via a protruded guide spot of the base mount as a pivoting point, the valve stick is also rotated left or right with a turning protruded block thereof moved at a turning cut area of the base mount therein to adjust the water temperature. Meanwhile, the valve stick along with a two-staged valve stick seat is prevented from being directly contacted with the valve housing in operation, facilitating the easy operation of the valve stick thereof even under low torque. Besides, the protruded guide spot is limited to move at an indented recess of the switching control valve therein, ensuring the precise movement of the switching control valve when activated by the protruded connecting section of the valve stick to open the valve core for water discharge.

REFERENCES:
patent: 3324884 (1967-06-01), Dornaus
patent: 3433264 (1969-03-01), Parkison
patent: 3533436 (1970-10-01), Parkison
patent: 3965936 (1976-06-01), Lyon
patent: 4362186 (1982-12-01), Parkison et al.
patent: 4738281 (1988-04-01), Limet et al.
patent: 4986306 (1991-01-01), Ferrari
patent: 6202693 (2001-03-01), Bollo
patent: 6321789 (2001-11-01), Chen

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