| 摘要 |
PROBLEM TO BE SOLVED: To maintain living space in a cab by particularly reducing the deformation of a cab floor to a minimum when external force acts upon the cab of a cab over type vehicle. SOLUTION: This reinforcing structure 1 is disposed almost over the whole area of the lower face of a floor tunnel part 5a of the front center part of a cab floor 5 mounted and fixed onto the upper faces of lateral under frames 6, 6. The reinforcing structure 1 comprises a plurality of reinforcing members 2 disposed at appropriate spaces along the longitudinal direction of a vehicle. These reinforcing members 2 have high rigidity cross-sectional shape and are fastened to the lower face of the floor tunnel part 5a, and both sides are fastened to the under frames 6. The front center part of the cab floor 5 is therefore reinforced to reduce deformation when external force acts thereon, thereby maintaining living space.
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