| 摘要 |
The present invention concerns a crawler belt (7) incorporating a sealing devices (21), which are each constituted by a coned disc spring (23) and a seal ring (22), to seal up gap spaces between track links (8) and bushes (13). A seal anchor hole (12) is provided in each one of outer link portions (9) of track links (8) of the crawler belt (7), and the sealing device (21) is fitted in the seal anchor hole (12) between an outer link portion (9) and an opposing end face (13A) of a bush (13). The sealing device (21) includes the seal ring (22) in the shape of an O-ring, and the coned disc spring (23) which is arranged to press the seal ring (22) resiliently against peripheral wall surface (12B) of the seal anchor hole (12) and the end face (13A) of the bush (13).
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