| 摘要 |
PROBLEM TO BE SOLVED: To provide a reduced sound idler for a crawler type vehicle. SOLUTION: An idler for supporting a front end part of an endless track of a crawler type tractor has an endless chain elastically supported by an outside flange of an idler hub. A substantially continuous bearing surface is provided on the external surface of the chain for supporting the endless track on the idler. COPYRIGHT: (C)2004,JPO
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