Patent ID: 8622318
Filing Date: 2014-01-07
Classification: B05B

Abstract:
1. A sprinkler, comprising: a hollow outer case; a riser vertically reciprocable within the outer case through an upper end thereof; a nozzle in a turret rotatably mounted at an upper end of the riser to determine an area watered by the nozzle; an impeller and a reduction gear train mounted in the riser and coupled to the nozzle turret for rotating the nozzle; a body cap that fits over the upper end of the outer case and retains the riser and has a plurality of circumferentially spaced vertical ribs that connect a reduced diameter generally cylindrical upper portion of the body cap with an enlarged diameter generally cylindrical lower portion of the body cap, the body cap being injection molded out of a hard thermoplastic material, and having a first set of threads formed on the enlarged lower portion of the body cap that screw over a second set of threads formed on a surface of the upper end of the outer case; and an elastomeric cover formed over at least the reduced diameter upper portion of the body cap and at least a portion of the ribs to provide a mechanical interlock between the cover and the body cap; wherein the elastomeric cover has a plurality of external ribs formed that each envelope a corresponding rib of the body cap.