| 摘要 |
PURPOSE:To make a crawler light, by constructing a net crawler of endless side members and a net member interposed between them. CONSTITUTION:A net crawler 10 is of a substantially endless loop shape and has a net member 12 interposed between its opposite side members 11. The side member 11 is formed to a prescribed length corresponding to a distance between wheels of a vehicle to which it is applied and cannot expand or contract by itself. The net member formed between the side members 11 is free to expand and contract due to its net shape in accordance with the shape of the ground which a tire contracts.
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