An outer reinforcement 30 fixed to an outer wall portion 13 of a side sill 2 and an inner reinforcement 40 having a vertical surface portion 43 fixed to an inner upper wall portion 21 and an inner wall portion 23 of the side sill 2 are provided. A cross member 60 extending in a vehicle width direction is fixed to the inner upper wall portion 21 of the side sill 2, the outer reinforcement 30 has an overlapping portion (a connection surface portion 33), a position of which overlaps a position of the inner reinforcement 40 in an up-down direction, and the vertical surface portion 43 has a load transmission promoting portion, a position of which overlaps a position of the cross member 60 in a vehicle front-rear direction, and which transmits a collision load during a side collision to the cross member 60.


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    Title :

    VEHICLE LOWER BODY STRUCTURE AND VEHICLE


    Additional title:

    FAHRZEUGUNTERWAGENSTRUKTUR UND FAHRZEUG
    STRUCTURE DE CARROSSERIE INFÉRIEURE DE VÉHICULE ET VÉHICULE


    Contributors:

    Publication date :

    2025-07-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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