The present invention relates to a lumbar support device of a seat for a vehicle and, more specifically, to a lumbar support device of a seat for a vehicle, which can control a protruding amount and an elastic feel of a lumbar support with a cam and a spring. The present invention provides the lumbar support device of a seat for a vehicle, which can more conveniently and elastically support the waist of a passenger by controlling a front protruding amount of the lumbar support with a hollow type cam, and applying an elastic feel to the lumbar support with a spring installed in the hollow type cam at the same time.

    본 발명은 자동차용 시트의 허리 지지 장치에 관한 것으로서, 더욱 상세하게는 캠과 스프링을 이용하여 허리지지대의 돌출량 및 탄력감을 조절할 수 있도록 한 자동차용 시트의 허리 지지 장치에 관한 것이다. 즉, 본 발명은 중공형 캠을 이용하여 허리지지대의 전방 돌출량을 조절하는 동시에 중공형 캠의 내부에 설치되는 스프링을 이용하여 허리지지대에 탄력감을 부여할 수 있도록 함으로써, 승객의 허리를 보다 편안하게 탄력 지지할 수 있는 자동차용 시트의 허리 지지 장치를 제공하고자 한 것이다.


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    Title :

    Lumber support of seat for vehicle


    Additional title:

    자동차용 시트의 허리 지지 장치


    Contributors:
    KIM SUN IL (author) / CHOI SUN WOO (author)

    Publication date :

    2017-01-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



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