Patent · US Active

Pop-up sprinkler

US8079531B2 · kind B2 · utility

6Cited by

23References

54Claims

0Family size

Assignee

NAAN-DAAN IRRIGATION SYSTEM (C.S) LTD. · IL

Inventors

Zohar Katzman · Shamir, IL
Oded Katzman · Haifa, IL

Key dates

Filing date	Jul 22, 2004
Grant date	Dec 20, 2011
Priority date	—
Expiry date	Jun 5, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B15/74
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A sprinkler comprising a housing fitted with an inlet port connectable to a water supply line and extending into an inlet chamber, a hollow stem member with an inlet end thereof being in flow communication with said inlet chamber and an outlet end thereof being in flow communication with an irrigation head, a diaphragm seal sealingly fixed at peripheral boundaries thereof to the housing and sealingly articulated to the stem member and supporting it at an essentially upright position. The diaphragm is deformable between a first position in which the irrigation head is retracted within the housing and a second position in which the irrigation head projects from the housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.