| 摘要 |
<p>A vehicle with a frame (10) connecting a driver wheel (16), an idler wheel (14) and mid-roller wheels (18), an endless track belt (12) being tensioned around the driver wheel and the idler wheel and being in contact with the mid-roller wheels on a lower run thereof, the mid-roller wheels being arranged in boogies, including a front boogie (20) having a first pivot axis (22), a middle boogie (24) and a rear boogie (26) arranged in tandem having a second pivot axis (30), wherein the first pivot axis and said second pivot axis act as load transfer pivots.</p> |
