Riser or pop-up irrigation sprinkler

Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler

Patent

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Details

239600, B05B 1510

Patent

active

049193325

ABSTRACT:
A diaphragm type riser for an irrigation sprinkler including a coil compression spring that acts against the diaphragm for urging the riser to its retracted position.

REFERENCES:
patent: 2585782 (1952-02-01), Johnson
patent: 2901183 (1959-08-01), Kohl
patent: 3282508 (1966-11-01), Roberts
patent: 4145003 (1979-03-01), Harrison et al.
patent: 4316579 (1982-02-01), Ray et al.

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