| 摘要 |
PROBLEM TO BE SOLVED: To achieve light weight, and improve strength to a falling load while achieving purposes by composing a side panel in a cab frame in wholly pressed surface structure. SOLUTION: For composing press-molded five-surface panels in a cab in a work vehicle, a skeleton of a door-side side panel 2 is composed of a press molded item of an inner panel and an outer panel, a part of a window 8 is formed at a rear upper part of the side panel 2, and a narrow part (swollen part 14) is provided in a wall part 13 formed large at a rear lower part. A stiffening plate (reinforcement plate piece) is disposed between the inner panel and the outer panel at the narrow part for improving rigidity.
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