Patent ID: 9561686
Date: 2017-02-07
CPC Classifications: A01G,B60B

Claim:
1. A support wheel for an irrigation system comprising: a rim configured to contact the ground with a ground contact surface, the rim having an inner surface and an outer surface forming the ground contact surface, the rim having a first edge and a second edge, the first edge lying in a first plane; a hub positioned at a center of the wheel and being configured to mount on an axle; a spoke structure extending from the hub of the wheel to the rim of the wheel, the spoke structure including a plurality of frames, at least one of the frames being mounted on the inner surface of the rim along a line extending from the first edge to the second edge of the rim in a non-parallel and non-perpendicular orientation to the first plane; wherein at least one of the frames is substantially triangular in shape with a substantially triangular perimeter.