| 摘要 |
PROBLEM TO BE SOLVED: To allow long term use by preventing occurrence of vibration or the like by polishing and modifying a tread of a crawler link at an initial time when eccentric wear such as a wave form generates while continuing the driving. SOLUTION: A polishing plate 21 for polishing the tread 14b of the crawler link 14a is arranged so as to contact with the tread 14b in a wound state of a crawler belt 14 in a crawler travel vehicle. Thus, normal traveling work of the crawler travel vehicle is performed, the eccentric wear of the tread 14b of the crawler link 14a is modified by a polishing plate 21, and vibration of a car body during travel can be prevented without generating the eccentric wear. COPYRIGHT: (C)2005,JPO&NCIPI
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