Patent ID: 9505454
Filing Date: 2016-11-29
CPC Classification: B62D

Claim Text:
1. A track assembly for providing traction to an off-road vehicle, the track assembly having a longitudinal direction, a widthwise direction, and a height direction, the track assembly comprising: a) a frame; b) a plurality of track-contacting wheels including: c) an endless track disposed around the track-contacting wheels, the endless track comprising an inner side facing the track-contacting wheels and a ground-engaging outer side for engaging the ground, the drive wheel engaging the endless track to drive the endless track, the roller wheels being disposed to roll on a bottom run of the endless track; d) a bogie carrying at least two of the roller wheels; and e) a resilient device mounted between the frame and the bogie and configured to deform to induce a movement of the bogie relative to the frame when the track assembly travels on an uneven ground area, the movement of the bogie relative to the frame including a motion of the bogie relative to the frame in the height direction of the track assembly and a motion of the bogie relative to the frame in a direction transversal to the height direction of the track assembly.