Rotary sprinkler having selectable area coverage
US4540125A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1983 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Apr 18, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S239/01
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary sprinkler comprising a base, a stem mounted on the base for rotation relative thereto, the stem having an inlet for receiving a pressurized water supply, a water discharge nozzle mounted on the stem and being rotatable together therewith relative to the base, water driven drive apparatus for rotating the stem relative to the base, selectably positionable deflector apparatus for engaging a stream of water emitted by the nozzle for determining the maximum radius of the stream, and cam apparatus for operating the deflector apparatus and including manually settable cam apparatus for selecting an overall size and pattern of sprinkler stream coverage, and second cam apparatus for determining the desired sprinkling pattern as a function of the azimuthal orientation of the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.