Fluid sprinkling – spraying – and diffusing – Plural interchangeable discharge modifiers – outlet...
Reexamination Certificate
2002-06-05
2002-11-19
Evans, Robin O. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Plural interchangeable discharge modifiers, outlet...
C239S391000, C239S392000, C239S393000, C239S394000, C239S532000, C239S436000
Reexamination Certificate
active
06481643
ABSTRACT:
RELATED U.S. APPLICATIONS
Not applicable.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not applicable.
REFERENCE TO MICROFICHE APPENDIX
Not applicable.
FIELD OF THE INVENTION
The present invention relates generally to a lawn sprinkler, and more particularly to a spray head structure of the lawn sprinkler.
BACKGROUND OF THE INVENTION
As shown in
FIG. 1
, a prior art spray head
14
is provided with a cap
11
which is provided with a number of jet nozzles
10
and a fastening portion
13
by which the cap
11
is fastened with the spray head
14
such that an inner threaded portion
12
of the fastening portion
13
is engaged with an outer threaded portion
15
of the spray head
14
.
The prior art structure as described above is defective in design in that the cap
11
is exposed and is therefore vulnerable to being acted on by external forces, thereby resulting in detachment of the cap
11
, or damage to the cap
11
. Without the cap
11
, the prior art spray head
14
is in fact useless. With the cap
11
being damaged, the prior spray head
14
is certain to fail to live up to what it is expected to perform.
BRIEF SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a water sprinkler with a spray head structure which is free of the deficiencies of the prior art spray head structure described above.
In keeping with the principle of the present invention, the foregoing objective of the present invention is attained by the spray head structure comprising a cap, a rotary seat, a fixation seat, and a connector. The cap is fastened with the rotary seat which is in turn fastened with the fixation seat. The fixation seat is mounted in the connector. The present invention is characterized by the cap which has a number of jet nozzles and a spout. The jet nozzles are used to shoot out a spray of water while the spout is used to discharge a stream of water.
The features and the advantages of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of the present invention with reference to the accompanying drawings.
REFERENCES:
patent: 5823442 (1998-10-01), Guo
patent: 6164566 (2000-12-01), Hui-Chen
patent: 6230988 (2001-05-01), Chao
patent: 6341737 (2002-01-01), Chang
Evans Robin O.
Shin Tai Spurt Water of the Garden Tools Co., Ltd.
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