Fluid sprinkling – spraying – and diffusing – Motor or spray fluid operated continuously moving discharge... – Spray fluid operated
Reexamination Certificate
2000-09-07
2001-08-21
Huson, Gregory L. (Department: 3751)
Fluid sprinkling, spraying, and diffusing
Motor or spray fluid operated continuously moving discharge...
Spray fluid operated
C004S567000, C004S615000, C239S222170, C239S382000, C239S381000, C239S447000
Reexamination Certificate
active
06276614
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a shower head structure.
2. Description of the Related Art
A first conventional shower head
70
in accordance with the prior art shown in
FIG. 1
is mounted on the wall of the bathroom and comprises a housing
71
containing a ball connector
74
and a sealing ring
741
therein, a water outlet cover
72
secured on the housing
71
, and a water guide barrel
73
secured between the sealing ring
741
and the water outlet cover
72
.
A second conventional shower head
80
in accordance with the prior art shown in
FIG. 2
is mounted on the wall of the bathroom and comprises a housing
81
, a water outlet cover
82
, and many parts
83
,
84
,
85
,
86
,
87
,
88
and
89
so that the shower head
80
has a complex construction, thereby greatly increasing the cost of fabrication.
A third conventional shower head in accordance with the prior art shown in
FIG. 3
is a hand holding type shower head and comprises a housing
91
, a water outlet cover
92
, and many parts
89
,
94
,
95
,
96
,
97
and
98
so that the shower head also has a complex construction, thereby greatly increasing the cost of fabrication.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a shower head structure comprising:
an outer housing, a water exciting vane wheel, a water outlet cover, and a two-step shaped water guide barrel, wherein,
the outer housing defines a fitting chamber pivotally receiving therein a ball connector which is locked to a water pipe of a wall for introducing water into the outer housing, a sealing ring mounted between the fitting chamber and the ball connector;
the water exciting vane wheel includes a central hollow bushing, a plurality of curved vanes secured on the hollow bushing, and a catch plate secured on one of the curved vanes;
the water outlet cover has a circular surface including an outer ring defining a straight water outlet zone defining multiple straight water outlet apertures and an inner ring defining three equally spaced massaging water outlet apertures, the water outlet cover has an inner surface provided with an annular water dispensing barrel located between the inner ring and the outer ring for defining an inner water outlet zone and an outer water outlet zone connecting with each other, the water dispensing barrel having a center provided with a short stub;
the water guide barrel includes a first step provided with an enlarged opening tightly pressing the sealing ring and a second step provided with a reduced section provided with a vane wheel shaft extending through the hollow bushing of the water exciting vane wheel and defining a receiving hole for securing the short stub of the water dispensing barrel therein, the reduced section of the water guide barrel defining three oblique cut water outlet ports facing the vanes of the water exciting vane wheel.
In accordance with another aspect of the present invention, the shower head structure is a hand holding type shower head structure co-operates with an outer housing which includes a hollow holding section connected to a water guide hose, and includes a water outlet end provided with an enlarged circular hollow head having an opening provided with an inner thread for engaged with the water outlet cover, the hollow head of the outer housing has an inner bottom provided with a support base for receiving a sealing ring facing the enlarged opening of the water guide barrel.
Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
REFERENCES:
patent: 4203550 (1980-05-01), On
patent: 4254914 (1981-03-01), Shames et al.
patent: 4398669 (1983-08-01), Fienhold
patent: 5356077 (1994-10-01), Shames et al.
patent: 5476225 (1995-12-01), Chan
Chien Chuen Plastic Co., Ltd.
Huson Gregory L.
Nguyen Tuan
Rosenberg , Klein & Lee
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