Fluid sprinkling – spraying – and diffusing – Terminal outlet formed between parts mounted for relative... – Axially movable outlet part
Reexamination Certificate
2007-12-04
2010-02-02
Tran, Len (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Terminal outlet formed between parts mounted for relative...
Axially movable outlet part
C239S200000, C239S237000, C239S247000, C239S263000, C239S381000, C239S451000, C239S456000, C239S460000
Reexamination Certificate
active
07654474
ABSTRACT:
The rotating sprinkler head valve includes an upper assembly with a stationary rigid cone received in a conical interior chamber of a rotor, and a cylindrical shaft extending through the stationary rigid cone and rotor. A lower assembly includes a bottom helix member, a strainer adapter having an internal transverse slotted plate and a rotatable slotted flow plate to permit flow when the flow plate slots are aligned with slots in the internal transverse slotted plate. A base top member includes a downwardly extending inner tubular portion and a lower interior edge surface with a helical lower surface forming an adjustable helical aperture in cooperation with the bottom helix member, and a recessed inner helical lip is configured to receive the upper helical surface of the bottom helix member for adjusting a helical aperture.
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The Intelligent Use of Water, Rain Bird Corporation, Dec. 2006, pp. 1-2.
Boeckmann Jason J
Fulwider Patton LLP
Tran Len
LandOfFree
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