| 摘要 |
PURPOSE: A lumbar support of a vehicle seat is provided to improve driving experience by supporting the lumbar vertebra comfortably and buffering impact at a collision, and to install conveniently by changing the position. CONSTITUTION: A lumbar support for a vehicle seat is composed of a wire frame(100) having holder parts(110) between seat frames(11) of a back seat(10), and a guide part by arranging wire members; a support plate(200) having bent flanges(210) assembled with the guide part of the wire frame, and supporting the lumbar by protruding with narrowing the clearance between flanges; and a height adjustable unit(300) adjusting the bent protrusion height of the supporting plate. The lumbar support is installed conveniently in the seat with standardizing, and expenses are reduced. The life span is lengthened with making the support plate of special steel. Fatigue is reduced with supporting the lumbar of the passenger comfortably. Driving experience is improved with absorbing the impact efficiently at a rear-end collision.
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