| 摘要 |
PROBLEM TO BE SOLVED: To reduce costs in an idler attachment device for a crawler traveling apparatus by configuring so that an energizing means for energizing an idler support member in a direction away from a drive sprocket is usable in common for various types of crawler traveling apparatuses.SOLUTION: An energizing means for energizing an idler support member 9 in a direction away from a drive sprocket 4 is made into a rubber spring 10 to be formed by loading a plurality of rubber balls 17 into a cover body 18. The energizing means can cope with various types of crawler traveling apparatuses by increasing or decreasing the number of the rubber balls 17 to be loaded.SELECTED DRAWING: Figure 2 |
