Rotary sprinkler with arc adjustment device
US5695123A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1995 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Oct 16, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/74
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary sprinkler comprising a supporting structure and a sprinkler head mounted for rotational movement on the supporting structure. The sprinkler includes an arc controller for controlling the magnitude of the arc through which the sprinkler head can rotate and an arc adjuster for adjusting the arc controller to thereby adjust the arc through which the sprinkler head can rotate. The arc adjuster includes an arc adjust member mounted for rotation with the sprinkler head and drivingly coupled to the arc controller to adjust the arc through which the sprinkler head can rotate and an arc adjust driver for rotating the arc adjust member. The arc adjust member includes a plurality of seals integral with the arc adjust member and a pointer for providing an indication of one end of the arc through which the sprinkler head can rotate. The supporting structure has a marker for providing an indication of the other end of the arc through which the sprinkler head can rotate, and the sprinkler head has indicia for use with the pointer for indicating the magnitude of the arc through which the sprinkler head can rotate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.