To provide an automobile cross member which can be efficiently manufactured, is reduced in weight and has high rigidity, and an automobile cross member structure using the cross member.SOLUTION: A cross member includes: a beam 111 extending in a vehicle width direction and a reinforcement member 112 joined to the beam. The beam has a first through hole 84 for reducing weight. The reinforcement member has a second through hole 85 for reducing weight. The first through hole is communicated with the second through hole in an overlapped state of the beam and the reinforcement member. The first through hole and the second through hole function as holes for determining a position to join the beam to the reinforcement member when joining the beam to the reinforcement member.SELECTED DRAWING: Figure 9

    【課題】効率よく製造することが可能であり、軽量化が図られており、しかも高い剛性を有する自動車用クロスメンバと、それを使用した自動車用クロスメンバ構造を提供する。【解決手段】車幅方向に延びるビーム111と、ビームに接合されるリインフォースメントメンバ112とを含むクロスメンバであって、ビームは軽量化用の第1貫通孔84を備えており、リインフォースメントメンバは軽量化用の第2貫通孔85を備えており、ビームとリインフォースメントメンバとを重ね合わせた状態で第1貫通孔と第2貫通孔とは連通し、第1貫通孔と第2貫通孔は、ビームをリインフォースメントメンバとを接合する際にビームとリインフォースメントメンバとを接合する位置を決める孔として機能する自動車用クロスメンバである。【選択図】図9


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    Title :

    AUTOMOBILE CROSS MEMBER AND AUTOMOBILE CROSS MEMBER STRUCTURE


    Additional title:

    自動車用クロスメンバ及び自動車用クロスメンバ構造


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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