| 摘要 |
<p>A crawler belt (7) in which a clearance between a track link (8) and a bush (13) can be sealed satisfactorily by a sealing device (21) comprising a coned disc spring (23) and a seal ring (22), wherein a seal attaching hole (12) is provided in the outer link part (9) of the track link (8) forming the crawler belt (7), the sealing device (21) sealing a clearance between the outer link part (9) and the end surface (13A) of the bush (13) is installed in the seal attaching hole (12), the sealing device (21) comprising the seal ring (22) having an O-ring and the coned disc spring (23) pressing the seal ring (22) elastically against the peripheral wall surface (12B) of the seal attaching hole (12) and the end surface (13A) of the bush (13).</p> |
