| 摘要 |
PURPOSE: A lumbar supporting device of a vehicle seat widely forms a supporting panel for supporting a lumbar and the total supporting panel is movable longitudinally, thereby comfortably supporting the lumbar of a passenger. CONSTITUTION: A rotating shaft(4) having rotatable both ends are fixed on the frame of the seat back(1). The rotating shaft(4) has the steering wheel on one end thereof. Two triangular pieces are eccentrically fixed on the supporting panel(2). The supporting panel(2) widely supports the lumbar the seat back(1). The supporting panel(2) is adjustable the protruded extent thereof by the intention of the driver. Thus, the driver supports his waist with the supporting panel(2) by properly protruding the supporting panel(2). Therefore, the driver comfortably seats on the seat.
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