| 摘要 |
PROBLEM TO BE SOLVED: To reduce shoe knocking sounds generated during travelling in an inexpensive manner while minimizing an increase in weight. SOLUTION: Vibration suppressing ribs 13, 14 are provided at central portions of a crawler link between each of mounting portions 8, 9 and each of end walls 4, 5 so that both inner wall faces including at least the upper edges or their vicinity of both approximately V-shaped side walls 2, 3 are connected to each other.
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