In a frame member, the hardness of a sheet-thickness-direction central section in a portion where a softening layer is provided is greater than or equal to 400 Hv, the softening layer has hardness smaller by at least 10 Hv than the hardness of the sheet-thickness-direction central section in the portion where the softening layer is provided, the thickness of the softening layer is greater than or equal to 2% of the sheet thickness but smaller than 20% of the sheet thickness, the hardness of the softening layer at the surface is greater than or equal to 0.5 times the hardness of the sheet-thickness-direction central section but smaller than 0.9 times the hardness of the sheet-thickness-direction central section, the softening layer has a first hardness changing area and a second hardness changing area, an absolute value ΔHv1 of a change in hardness of the first hardness changing area in the sheet thickness direction is greater than an absolute value ΔHv2 of a change in hardness of the second hardness changing area in the sheet thickness direction, and R/t≤2.5 is satisfied, where R represents the bending radius of the corner section, and t represents the sheet thickness of the corner section.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    FRAME MEMBER


    Beteiligte:
    TODA YURI (Autor:in) / KUBOTA HIROAKI (Autor:in) / KAWATA HIROYUKI (Autor:in) / MAEDA DAISUKE (Autor:in)

    Erscheinungsdatum :

    11.03.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



    Frame member

    TODA YURI / KUBOTA HIROAKI / KAWATA HIROYUKI et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    FRAME MEMBER

    KUBOTA HIROAKI / TODA YURI / KAWATA HIROYUKI | Europäisches Patentamt | 2022

    Freier Zugriff

    FRAME MEMBER

    AITOH TAKAHIRO / TODA YURI | Europäisches Patentamt | 2024

    Freier Zugriff

    FRAME MEMBER

    SHIMANAKA TSUNENORI / MIHARA KAZUHIRO / KIMURA TAKAYUKI | Europäisches Patentamt | 2018

    Freier Zugriff

    FRAME MEMBER

    SHIMANAKA TSUNENORI / MIHARA KAZUHIRO / KIMURA TAKAYUKI | Europäisches Patentamt | 2018

    Freier Zugriff