A underbody structure includes a tunnel brace (22) laid on a floor tunnel (18) of a vehicle. The tunnel brace (22) has a front convex section (71), a central groove section (72) and a rear convex section (73). The front convex section (71), the central groove section (72) and the rear convex section (73) are formed to have equal width dimensions with each other. The tunnel brace (22) is formed so as to have an M-shaped cross section by the front convex section (71), the central groove section (72) and the rear convex section (73). The tunnel brace (22) is formed such that the width dimension of the tunnel brace in the vehicle body forward/rearward direction has a maximum value at right and left end portions (22a, 22b) and has a minimum value at a central section (22c).


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    Title :

    UNDERBODY STRUCTURE


    Contributors:

    Publication date :

    2019-10-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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