US 12,467,566 B2
Irrigation kinematic joint
Matthew John Dudik, Elkhorn, NE (US); Michael South, Council Bluffs, IA (US); and Troy Hanson, Blair, NE (US)
Assigned to LINDSAY CORPORATION, Omaha, NE (US)
Filed by Lindsay Corporation, Omaha, NE (US)
Filed on Jul. 8, 2022, as Appl. No. 17/861,045.
Prior Publication US 2024/0011586 A1, Jan. 11, 2024
Int. Cl. F16L 27/08 (2006.01); A01G 25/09 (2006.01); B05B 1/20 (2006.01); F16L 27/04 (2006.01)
CPC F16L 27/0849 (2013.01) [A01G 25/092 (2013.01); B05B 1/20 (2013.01); F16L 27/04 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An irrigation system joint for coupling a first pipe section adjacent to a second pipe section that are coaxial along a central axis when aligned, the joint comprising:
a first portion for securing to the first pipe section and comprising an upwardly facing hemispherical surface,
a second portion for securing to the second pipe section and comprising a cavity that receives at least a portion of the hemispherical surface to form a contact line coincident with the central axis when the first pipe section and the second pipe section are aligned, wherein the second portion has a top surface and a bottom surface and the cavity extends from the bottom surface to the top surface, and the first portion comprises a threaded element extending vertically from the hemispherical surface through the cavity; and
a capture ring and a nut configured to engage the threaded element to secure the second portion to the first portion.