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    • 4. 发明授权
    • Vehicular seat lumbar support device
    • 车载腰椎支撑装置
    • US5007677A
    • 1991-04-16
    • US441043
    • 1989-11-24
    • Makoto OzawaYasuo HiramaShyuzi Mizuno
    • Makoto OzawaYasuo HiramaShyuzi Mizuno
    • A47C7/46B60N2/66
    • B60N2/667B60N2/66
    • A vehicular seat is formed with an adjustable spring structure at an internal portion thereof. The structure is selectively adjustable for determining the degree of support the seat occupant receives at his or her lower back and features an arrangement which is supported on the end of a pair of adjustable crank arms so as to be operable between a normal position in which the support to the lower back of the seat occupant is mildly enhanced, and an extra support position in which the seat back contour is altered and the support of the seat occupant's lower back is greatly enhanced in a manner which reduces fatigue of the seat occupant over long periods.
    • 车辆座椅在其内部形成有可调节的弹簧结构。 该结构可选择性地调节,以确定座椅乘客在他或她的下背部接收的支撑程度,并且具有支撑在一对可调节曲柄臂的端部上的装置,以便在正常位置之间操作, 对座椅乘客的下背部的支撑轻度增强,并且以更小的方式大大增强了座椅后轮廓改变的座椅靠背轮廓和座椅乘客的后背的支撑的额外支撑位置,以减少座椅乘客长时间的疲劳 时期。