Patent ID: 9180747
Filing Date: 2015-11-10
Classification: A01B,A01C,A01G,A01M,B60G

Abstract:
1. A vehicle comprising: a chassis; a plurality of ground engaging elements supporting the chassis above a ground surface; a motor for driving at least one of the ground engaging elements to thereby propel the vehicle along the ground surface; a chassis height adjustment system for selectively raising and lowering the chassis relative to the ground surface; a track width adjustment system for shifting a position of at least one of the ground engaging elements laterally relative to the chassis; a controller configured to automatically actuate the track width adjustment system when the chassis height adjustment system is actuated to preserve a constant track width as the chassis moves up and down relative to the ground surface; and a plurality of support assemblies, each of the support assemblies supporting the chassis on one of the ground engaging elements and defining a line of connection between a ground engaging element attachment point and a chassis attachment point, each of the lines of connection defining an angle θ corresponding to an angle of deviation from a direction of vertical travel of the chassis; each of the support assemblies comprising—