| 摘要 |
<p>A track assembly (1) for moving a ground work vehicle comprising a structure (2) which supports a drive sprocket (3) of a track (4) which is designed to be associated with a drive shaft (9) at a flange (8) which has a protruding speed reduction unit (8a), and further supports guiding wheels (5a, 5b) and track contact rollers (6a, 6b), the hub (7) of the drive sprocket (3) being shaped so as to contain the reduction unit (8a), and support the inner rings of at least two rolling bearings (12, 13), the outer rings of the bearings being associated with a seat (2a) formed within the support structure (2).</p> |
