Sprinkler head with improved integral impact arm and anti-backsp

Details Sprinkler head with improved integral impact arm and anti-backsp Sprinkler head with improved integral impact arm and anti-backsp

1978-02-22

1979-08-14

Reeves, Robert B.

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

With impact motive means

239233, 239511, B05B 314

Patent

active

041643240

ABSTRACT:
A part-circle step-by-step rotary sprinkler head having an improved anti-backsplash drive spoon integrally formed as a part of the impact arm and having a construction related to the longitudinal axis of the outlet when the arm is in its impact limiting position which comprises upper and lower walls in a position to receive the stream therebetween, an initial stream engaging wall extending between the upper and lower walls and a final stream engaging wall extending between the upper and lower walls spaced with respect to the initial stream engaging wall in a position (1) with all portions thereof disposed outwardly of all portions of the initial wall in a transverse direction corresponding to the direction of movement of the spoon away from its impact position, (2) with a longitudinally inward portion thereof disposed in longitudinally lapped relation with a longitudinally outward portion of the initial wall and (3) with a longitudinally outward portion thereof disposed longitudinally outwardly of the longitudinally outward portion of the initial wall. The reactant water contacting surface of the final wall is disposed substantially entirely transversely outwardly of a plane passing through the leading edges of the initial and final walls.

REFERENCES:
patent: 3022012 (1962-02-01), Sharp et al.
patent: 3070314 (1962-12-01), Warren
patent: 3208672 (1965-09-01), Sully
patent: 3408009 (1968-10-01), Friedmann et al.
patent: 3952953 (1976-04-01), Eby
patent: 3955762 (1976-05-01), Cassimatis et al.
patent: 3977610 (1976-08-01), Royer

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