Patent ID: 7328858

Claim:
A shower head for kitchen sink, comprising an outer enclosure that is shaped so as to define a tubular portion that is open at one end and is connected, at the other end, to a head-shaped portion, and is adapted to contain water conveyance means adapted to prevent any contact of the water with said enclosure, said water conveyance means comprising a first insert and a second insert, which are locked to each other, said first insert being contained within the tubular portion of the enclosure and having, at an end that protrudes from said enclosure, means for coupling to a water supply duct, said second insert being contained within the head-shaped portion of the enclosure and comprising a switching device for switching a path of the water from a central jet to a peripheral jet and vice versa, said second insert comprising a cylindrical wall that is open at one end directed outwardly of said outer enclosure and that is provided with a top portion, said second insert further comprising a distribution unit arranged within said cylindrical wall and cooperating with said switching device, and said second insert further comprising an annular element abutting against said distribution unit to keep said distribution unit in abutment against said top portion of said cylindrical wall, said second insert being provided with means for coupling to the outer enclosure, which comprise at least one tab that is provided on said top portion of said cylindrical wall and that is adapted to enter, as a consequence of motion in an axial direction of said insert, a receptacle provided in said enclosure in order to lock the cylindrical wall of said second insert upon a first rotation thereof about its own axis, a second rotation of said second insert in an opposite direction with respect to said first rotation being prevented by the coupling of the first insert with said second insert, and said annular element being screwed to said cylindrical wall.