Fluid sprinkling – spraying – and diffusing – Unitary plural outlet means – And flow regulation or control of outlets
Reexamination Certificate
2011-01-04
2011-01-04
Boeckmann, Jason J (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Unitary plural outlet means
And flow regulation or control of outlets
C239S242000, C239S550000, C239S551000
Reexamination Certificate
active
07861952
ABSTRACT:
A sprinkler includes a tubular member having a longitudinal track and a number of water discharging openings formed through the track, and one or more shutoff control devices slidably attached onto the track and movable along the track to selectively align with either or some of the water discharging openings of the tubular member and to selectively block and seal the water discharging openings of the tubular member. The shutoff control devices each include a seat slidably attached to the track, and a latch pivotally attached to the seat for selectively blocking either of the water discharging openings of the tubular member and for controlling the water spraying patterns of the sprinkler.
REFERENCES:
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patent: 5628458 (1997-05-01), Kuo
patent: 5645218 (1997-07-01), Heren et al.
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patent: 7284714 (2007-10-01), Wang et al.
patent: 7389950 (2008-06-01), Lo
patent: 7607590 (2009-10-01), Nies
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