| 摘要 |
PROBLEM TO BE SOLVED: To provide a seat height adjustment structure provided on a working vehicle capable of considerably reducing the cost compared with a height adjustment mechanism constituted by using an arm member and a supporting point exceeding elastic machine. SOLUTION: In a working vehicle having a seat 1 on a seat mounting face 4, a cushion rubber 6 interposed between the seat mounting face 4 and a lower side of the seat 1 is composed of a polyhedron whose height being changed according to the mounting direction, and the height of the seat 1 is adjusted by changing its mounting direction. For example, the cushion rubber 6 is composed of a polyhedron whose height being changed according to the mounting direction, and the height of the seat 1 is adjusted in three stages by changing its mounting direction. COPYRIGHT: (C)2008,JPO&INPIT
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