Water temperature control device

Details Water temperature control device Water temperature control device

1995-01-18

1995-11-21

Fox, John C.

Valves and valve actuation

Limit stop

Rotary valve

251285, F16K 500

Patent

active

054679672

ABSTRACT:
The present invention is a faucet which can be opened to a user settable degree, thus allowing a user to set the water temperature. The faucet knob has an internal cavity which houses a left-hand threaded sleeve. As the faucet knob is turned counter-clockwise, a threaded stop collar, which matingly engages the threaded sleeve, is drawn up within the faucet knob cavity until the collar encounters a setscrew. The setscrew prevents further movement of the stop collar along the threaded sleeve, thus preventing further turning of the knob. The surface, of the stop collar, which contacts the setscrew can be provided with resilient ramps which allow further adjustment of the knob position by an adult user, and raised flats or steps which completely prevent any further turning of the knob once the stop collar reaches the setscrew. More than one setscrew can be provided to accommodate the water temperature preferences of different users.

REFERENCES:
patent: 1430505 (1922-09-01), Hinchman
patent: 1689236 (1928-10-01), Fraser, Jr.
patent: 2708551 (1955-05-01), Record
patent: 3348577 (1967-10-01), Miller et al.
patent: 3635252 (1972-01-01), Botnick
patent: 4220175 (1980-09-01), Keller, III et al.
patent: 5318070 (1994-06-01), Surabian

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