Drive shaft for ceramic control valve of faucet

Details Drive shaft for ceramic control valve of faucet Drive shaft for ceramic control valve of faucet

2005-06-21

2005-06-21

Hirsch, Paul J. (Department: 3753)

Fluid handling

Systems

With selective motion for plural valve actuator

C137S625170

Reexamination Certificate

active

06907903

ABSTRACT:
A faucet includes a main body, a control valve, a drive shaft, and a handle. The drive member of the drive shaft has a peripheral wall contacting with the mounting recess of the control seat of the control valve and formed with a plurality of spacing portions to reduce a contacting area between the drive member and the mounting recess to prevent the drive member from being expanded excessively due to absorbing the water to jam the mounting recess, so that the drive shaft is operated easily and conveniently, thereby facilitating the user operating the faucet.

REFERENCES:
patent: 3324884 (1967-06-01), Dornaus
patent: 3854493 (1974-12-01), Farrell
patent: 4325403 (1982-04-01), Uhlmann
patent: 4596376 (1986-06-01), Knapp
patent: 4705072 (1987-11-01), Egli
patent: 5490540 (1996-02-01), Vom Dahl et al.
patent: 5730176 (1998-03-01), Heimann et al.

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