Combined nozzle set and lift tool for a pop-up sprinkler
US6234411A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2000 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Jun 9, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53952
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A combined nozzle set and lift tool is provided for use with a pop-up sprinkler, wherein the lift tool comprises a tool body in the form of an injection molded runner formed integrally with a plurality of individual nozzle inserts. An elongated tool stem projects outwardly from the tool body and has protruding tabs at a tip end thereof for reception into an undercut recess formed in a pop-up sprinkler spray head to permit lifting of the spray head from a normal position spring-retracted substantially within a sprinkler housing or case, to an elevated position for facilitated access to the spray head. A selected one of the plurality of nozzle inserts can be separated from the lift tool as by snap-off detachment, whereupon the selected nozzle insert can be mounted on the elevated spray head to individually tailor the characteristics of a water stream projected therefrom during normal sprinkler operation. The lift tool further includes latch teeth for snap-fit engagement with the spray head to permit storage of the combined nozzle set and lift tool on the spray head, to provide a convenient commercial unit which can be transported to an installation site with little or no risk of comp…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.