Rotary sprinkler with riser damping

Details Rotary sprinkler with riser damping Rotary sprinkler with riser damping

1996-11-04

1999-07-06

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239201, 239203, 239204, B05B 1510

Patent

active

059188120

ABSTRACT:
A sprinkler unit with riser damping comprises a tubular housing having an inlet for connecting to a source of water, a tubular riser reciprocally mounted in the tubular housing and moveable from a retracted position within the housing to an extended position from the housing, the riser having an outlet having a nozzle for distributing a stream of water outward from the housing, a passage connecting the inlet to the outlet, a retraction spring normally biasing the riser to the retracted position, and a shock absorbing ring mounted on the riser for damping movement of the riser to the extended position.

REFERENCES:
patent: 3051469 (1962-08-01), Boschi
patent: 3684179 (1972-08-01), Fischer et al.
patent: 3921910 (1975-11-01), Hayes et al.
patent: 4126216 (1978-11-01), Babcock et al.
patent: 4438908 (1984-03-01), Terada
patent: 5421565 (1995-06-01), Harkrader et al.

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