Sprinkler with guard

Details Sprinkler with guard Sprinkler with guard

1987-01-12

1988-08-16

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239288, B05B 1510

Patent

active

047638389

ABSTRACT:
An improved sprinkler (2) includes a body (4) which includes a pop-up nozzle (10). Nozzle (10) is sufficiently smaller than body (4) to create a gap therebetween as nozzle (10) rises out of body (4). An annular guard (30) separate from nozzle (10) is located in the upper end of body (4) and is normally urged out of body (4) by a spring (34). Guard (30) is normally engaged by a cover (18) on nozzle (10) so that nozzle (10) normally keeps guard (30) retracted within body (4). However, as nozzle (10) rises from body (4), guard (30) will be projected upwardly substantially as soon as nozzle (10) rises to immediately seal the gap. Stops (40) and (42) are provided on guard (30) and body (4) for limiting the upward movement of guard (30) to an amount less than the upward movement of nozzle ( 10).

REFERENCES:
patent: 1058549 (1913-04-01), Cathcart
patent: 1259902 (1918-03-01), Parker
patent: 1628041 (1927-05-01), Frye
patent: 2901183 (1959-08-01), Kohl
patent: 3035778 (1962-05-01), Kimbro et al.
patent: 3567125 (1971-03-01), Houghton
patent: 3709435 (1973-01-01), Sheets
patent: 4145003 (1979-03-01), Harrison et al.
patent: 4351477 (1982-09-01), Choi
patent: 4429832 (1984-02-01), Sheets

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