| 摘要 |
PROBLEM TO BE SOLVED: To restrain the occurrence of cutting of a lug of an elastic crawler. SOLUTION: One or a plurality of grooves 15 along the circumferential direction Y of a crawler body 7 is/are formed on a grounding surface 16 of the lug 8 within a range (w) to a distance of 10% of width W in the belt widthwise direction X of the crawler body 7 toward the inside in the crawler main body belt widthwise direction X from an end part in the crawler main body belt widthwise direction X of a core bar 9, and a cross-section shape of the groove 15 is made roughly semi-circular or roughly trapezoidal with groove depth D of more than 2 mm and less than 5 mm and groove width F of more than 5 mm and less than 10 mm. COPYRIGHT: (C)2009,JPO&INPIT
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