Cartridge for adjusting the flow rate and mixing of water...

Details Cartridge for adjusting the flow rate and mixing of water... Cartridge for adjusting the flow rate and mixing of water...

2007-05-22

2007-05-22

Rivell, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C251S297000

Reexamination Certificate

active

11081290

ABSTRACT:
The present invention relates to a cartridge for adjusting the flow rate and mixing of water flows in faucets in general, comprising a cartridge body therefrom a rod to which a drive knob is coupled projects.The main feature of the invention is that the cartridge further comprises a reed spring coupled to the drive rod and operating between the drive or controlling knob and a rod supporting element.On the rod supporting element are provided cam elements which cooperate with the spring reed for setting the pushing load detectable by the user as he/she operates the rod.

REFERENCES:
patent: 4505301 (1985-03-01), Yang
patent: 4708172 (1987-11-01), Riis
patent: 4941509 (1990-07-01), Orlandi
patent: 4960154 (1990-10-01), Dagiantis
patent: 5082023 (1992-01-01), D'Alayer de Costemore d'Arc
patent: 5363880 (1994-11-01), Hsieh
patent: 5386852 (1995-02-01), Bosio
patent: 5522429 (1996-06-01), Bechte et al.
patent: 5592971 (1997-01-01), Knapp
patent: 5967184 (1999-10-01), Chang
patent: 5992457 (1999-11-01), Humpert et al.
patent: 6796544 (2004-09-01), Chen

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