Shower head

Details Shower head Shower head

2008-01-08

2008-01-08

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

C239S525000, C239S461000, C239S480000, C239S482000, C239S569000, C239S570000, C239S469000

Reexamination Certificate

active

10520398

ABSTRACT:
A shower head includes a mouth piece including a middle axial through channel for flow through of water, a rotationally symmetrical deflection element for the water being near the external outlet of the channel, which mouth piece is connected to a holder through which the water is fed, while the deflection element is held by a stem which with radial clearance projects axially in the channel, and is surrounded by a conical surface, the mouth piece limiting a cavity around and axially outside the deflection element, the conical surface projecting convergently outwardly. The stem may be conical at least in the portion being furthest away from the deflection element, whereby the surface of the stem converges towards the deflection element, and whereby the flow area for the water between the stem and the mouth piece is altered by axial movement of the mouth piece relatively to the holder. The stem is secured in an insert mounted in the holder, and a regulator for causing an approximately constant amount of water per time at variations of the water pressure is mounted in the area at the inert, or possibly integrated therein.

REFERENCES:
patent: 3847178 (1974-11-01), Wolf-Dieter
patent: 3856206 (1974-12-01), Bell et al.
patent: 4000857 (1977-01-01), Moen
patent: 4161965 (1979-07-01), Merritt
patent: 4244526 (1981-01-01), Arth
patent: 4275843 (1981-06-01), Moen
patent: 4562960 (1986-01-01), Marty et al.
patent: 5685489 (1997-11-01), Larsen
patent: 1123743 (2001-08-01), None
patent: 1542849 (1979-03-01), None

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