A seatback frame including left and right side frames, a lower frame, and a sacrum support section. The left and right side frames extend in a seat up-down direction inside left and right side portions of a seatback of a vehicle seat. The lower frame spans between lower end portions of the left and right side frames. The sacrum support section extends from a lower end portion of the lower frame toward a seat front side and supports a sacral region of a seated occupant from a seat rear side. A weakened portion that is weakened by a load from the seat front side is provided to the sacrum support section.


    Access

    Download


    Export, share and cite



    Title :

    SEATBACK FRAME AND VEHICLE SEAT


    Contributors:

    Publication date :

    2023-06-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



    Seatback frame and vehicle seat

    TOMO ISHIBASHI / AKITOSHI YAMASHITA / YOSHITAKA SASAKI et al. | European Patent Office | 2016

    Free access

    Seatback frame and vehicle seat

    KOBAYASHI DAISUKE / YOSHIGA KENSUKE / MIZUNO AKIHIKO et al. | European Patent Office | 2025

    Free access

    Seatback frame and vehicle seat

    SASAKI YOSHITAKA / YAMASHITA AKITOSHI / ISHIBASHI TOMO et al. | European Patent Office | 2018

    Free access

    SEATBACK FRAME AND VEHICLE SEAT

    SASAKI YOSHITAKA / YAMASHITA AKITOSHI / ISHIBASHI TOMO et al. | European Patent Office | 2016

    Free access

    SEATBACK AND VEHICLE SEAT

    YAMAGUCHI TAKUYA / HASHIMOTO KENJI / KAWAHARA TAKAHIRO | European Patent Office | 2024

    Free access