A lumbar support apparatus includes a curved plate which is provided to a seat-back frame so that the upper part of the curved plate is rotatable in the vertical direction, and which is deformable in the direction in which a seated person's lumbar spine is pressed; a curved-plate deformation-amount adjustment unit including a threaded rod having an external thread formed on the peripheral surface thereof, and a nut member that is threadedly engaged with the external thread of the threaded rod and is attached to the lower part of the curved plate so as to be prohibited from rotating about a center axis and so as to be movable in the vertical direction; and a drive unit for rotatingly driving the threaded rod.


    Access

    Download


    Export, share and cite



    Title :

    Lumbar support apparatus


    Contributors:

    Publication date :

    2016-05-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    A47C Stühle , CHAIRS / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



    PORTABLE LUMBAR SUPPORT APPARATUS

    HEFFRAN DION | European Patent Office | 2017

    Free access

    LUMBAR SUPPORT

    DE CASTRO FARIA MANUEL ANTÓNIO / GONCALVES SILVA DAVID MANUEL | European Patent Office | 2024

    Free access

    LUMBAR SUPPORT

    European Patent Office | 2023

    Free access

    LUMBAR SUPPORT APPARATUS FOR VEHICLE SEAT

    HONG SUK WON / KIM JUN YONG / NA SEON CHAE et al. | European Patent Office | 2020

    Free access

    LOAD SUPPORT APPARATUS FOR LUMBAR SUPPORT ASSEMBLY

    CHO CHAN KI / PARK GUN YOUNG / KIM JIN OH et al. | European Patent Office | 2022

    Free access