| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler traveling device capable of changing the tread of a driving sprocket and reducing the cost without changing the entire driving sprocket and a traveling shaft. SOLUTION: In the crawler traveling device 1 having a driving sprocket 2 attachably/detachably mounted on a traveling shaft 8 and a crawler 7 to be stretched over the driving sprocket 2, the driving sprocket 2 is divided into a boss member 25 attachably/detachably mounted on the traveling shaft 8 and a sprocket member 26 attachably/detachably mounted on the boss member 25, and the tread is changed by changing boss members 25A and 25B different in the sprocket mounting position. COPYRIGHT: (C)2005,JPO&NCIPI
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