Sprinkler head location indicator

Details Sprinkler head location indicator Sprinkler head location indicator

2011-05-24

2011-05-24

Kim, Christopher S (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Processes

C239S071000, C239S204000, C239S288500

Reexamination Certificate

active

07946507

ABSTRACT:
The sprinkler head location indicator is a shallow dish adapted for placement on the shaft of a pop-up sprinkler head. The dish is concave upward and has a small pilot hole formed through its center. A plurality of radially extending guidelines is formed on the bottom surface of the dish, the guidelines having hash marks at uniform intervals to form scale markings. The guidelines are severed radially to a uniform length forming flexible segments and the dish is pushed up the shaft to the ground flange of the sprinkler head. The flexible segments bend against the sprinkler head shaft, thereby retaining the dish on the shaft.

REFERENCES:
patent: 2017308 (1935-10-01), Elmer
patent: D217767 (1970-06-01), Harness
patent: 3940884 (1976-03-01), Mason, Jr.
patent: 5211338 (1993-05-01), Leite et al.
patent: 5213262 (1993-05-01), Violette
patent: 5323557 (1994-06-01), Sonntag
patent: 6186416 (2001-02-01), Jones
patent: 6209803 (2001-04-01), Colo'n
patent: 6543704 (2003-04-01), Stephens
patent: 7216819 (2007-05-01), Bernards
patent: 2001/0032890 (2001-10-01), Stephens
patent: 2004/0217195 (2004-11-01), Bernards

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