Lumbar support 1 for a backrest 3 of a vehicle seat 2 comprising a wire structure 10, having a pair of wire guide members 12, 14, for mounting the lumbar support 1 within the vehicle seat 2; a main plate 20, supported by the wire guide members 10, 12, wherein the main plate 20 is linearly movable with respect to the wire guide members 10, 14; a position drive mechanism 30, for linearly moving the main plate 20 with respect to the wire structure 10, wherein the main drive mechanism 30 comprises a position electric motor 32 which is mounted to the main plate 20; a curvature drive mechanism 50, comprising an adjusting member 54, wherein the adjusting member 54 is supported by the main plate 20 and movable with respect to the main plate 20; at least one arching element 40, 42 suspended between the main plate 20 and the adjusting member 54; and a curvature electric motor 52 mounted to the main plate 20, for moving the adjusting member 54 to adjust the curvature of the at least one arching element 40, 42.


    Access

    Download


    Export, share and cite



    Title :

    LUMBAR SUPPORT


    Additional title:

    LUMBALSTÜTZE
    SUPPORT LOMBAIRE



    Publication date :

    2024-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    Support element for lumbar support device, lumbar support device and seat having lumbar support device

    POCCIANI BRUNO / DONATH J ¨ 1 RGEN / DOERFLER ERICH et al. | European Patent Office | 2024

    Free access

    LUMBAR SUPPORT

    LEE MANGI / CHOI YONG / HONG YOUNG JIN | European Patent Office | 2022

    Free access

    LUMBAR SUPPORT

    NOSAKA TAKAYUKI | European Patent Office | 2018

    Free access

    LUMBAR SUPPORT

    European Patent Office | 2023

    Free access

    LUMBAR SUPPORT CURVATURE ADJUSTMENT MECHANISM AND ADJUSTABLE LUMBAR SUPPORT

    LUO YUN / GAN YUN | European Patent Office | 2025

    Free access