Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means
Reexamination Certificate
2007-02-27
2007-02-27
Hwu, Davis (Department: 3752)
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
C239S203000, C239S210000, C239S280000, C239S280500, C239S281000
Reexamination Certificate
active
10612895
ABSTRACT:
A sprinkler structure comprises a support unit, a spray unit, and at least one fastening unit. A water pipe of the spray unit is uprightly supported by the support unit along with the fastening unit comprising a tubular seat, a press block, and a control lever. The tubular seat is provided with a center through hole to accommodate the water pipe, and a through slot in which the press block is pivoted. The control lever is provided at a pivoting end with an eccentric press surface and is fastened pivotally with two pivoting lugs of the tubular seat such that the eccentric press surface pushes the press block to arrest the water pipe at the time when the control lever is swiveled in one direction. The press block releases the water pipe at the time when the control lever is swiveled in other direction.
REFERENCES:
patent: 1959886 (1934-05-01), Willard
patent: 4521036 (1985-06-01), Howell et al.
patent: 4813638 (1989-03-01), Garcia
patent: 4824020 (1989-04-01), Harward
patent: 5452872 (1995-09-01), Barnes et al.
patent: 5836516 (1998-11-01), Van Epps et al.
Egbert Law Offices
Hwu Davis
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