Patent attributes
A rotary sprinkler riser extension kit is disclosed for use with a rotary sprinkler. The kit includes an external riser extension having an upper end and lower end, and defining a channel extending through the upper end and lower end. The channel is configured to accommodate the stem of the rotary sprinkler, the upper end is configured to attach to the cap of the rotary sprinkler, and the lower end is configured to attach to the enclosure of the rotary sprinkler. The kit also includes an internal riser extension having a height substantially equal to total length of the external riser extension, a width less than inner width of the enclosure of the rotary sprinkler, means for attaching to the geared lower end of the stem, a lower gear configured to rotate the rotary sprinkler, and means to raise the stem and channel water thereto in response to water pressure at an inlet to the enclosure.
