| 摘要 |
PROBLEM TO BE SOLVED: To improve durability of a crawler by relaxing local concentration of load on a crawler. SOLUTION: This chassis components structure includes a pair of idler wheels 3, 4 provided on both front and rear end parts of a truck frame 2 fixed to a car body 1, a driving wheel 5 having a rotating shaft above a mounting shaft of the idler wheels 3, 4, a rolling wheel 6 disposed on the track frame 2 between both idler wheels 3, 4, and crawler 10 wrapped round the respective moving wheels. In this structure, a pair of rolling wheels 6 positioned on the rear end side of the vehicle are fitted to the truck frame 2 to integrally oscillate within a vertical plane.
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