Patent ID: 8757301
Filing Date: 2014-06-24
Classification: A01G,B62D

Abstract:
1. A track assembly for a mobile tower of an irrigation system, the track assembly comprising: a mounting bracket pivotally mounted to the mobile tower; a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket; a drive wheel attached to the drive wheel hub; a rotatable tension wheel hub attached to the mounting bracket and spaced from the drive wheel hub; a tension wheel attached to the tension wheel hub; a track belt trained over the drive wheel and the tension wheel and driven by the drive wheel to propel the mobile tower; structure for pivotally mounting the mounting bracket to the mobile tower; and structure for adjusting a mounting angle of the gearbox assembly on the mounting bracket, for placement between the gearbox assembly and the mounting bracket, to further adjust a steering angle or tow of the track assembly.