Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Reexamination Certificate
2005-12-06
2005-12-06
Scherbel, David A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
C239S205000, C239S206000, C004S490000
Reexamination Certificate
active
06971588
ABSTRACT:
A cleaning head for installation in a swimming pool floor fitting (9) includes a pop-up cylinder (5) having a plurality of first camming elements (44) disposed on its outer wall, a compression spring (6) disposed around it, and an outer cylinder (11) having a plurality of second camming elements (42) and third camming elements (40) disposed along the inner wall (47A) of the outer cylinder (11) for engagement with the first camming elements. A nozzle cap (15) is removably attached to the upper end of the pop-up cylinder (5), and includes a plurality of nozzles having various diameters, respectively, only a selected one of the nozzles being aligned with a clearance opening (20) of the pop-up cylinder.
REFERENCES:
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Blake Andy F.
Tarr William C.
Womack Paul A.
Bui Thach H.
Cahill von Hellens & Glazer, P.L.C.
Scherbel David A.
Shasta Industries, Inc.
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