| 摘要 |
An adjustable lumbar support ( 10 ) adapted to be easily integrated into new or existing seat structures. Adjustable lumbar support ( 10 ) includes a floating plate ( 15 ) supported by a support linkage. In one embodiment, the support linkage is defined by a cable member ( 21 ) and first and second spring members ( 25 ) and ( 26 ) which engage the seat frame. In an alternate embodiment, the support linkage is defined by first and second spring members 25 engaged with first and second linkage members ( 52 ), respectively, and includes a rotary power mechanism ( 50 ) for applying a rotating motion to a shaft ( 54 ) threadably engaged with first and second linkage members ( 52 ). The degree of support provided by floating plate ( 15 ) is adjusted by adjusting the effective length of the support linkage. Lumbar support mechanism ( 10 ) can be mounted in a state of the art seat back alone or in conjunction with an integral trim attachment array ( 70 ). Trim attachment array ( 70 ) is adapted to replace the trim wires molded into the cushion foam of a standard seat. Integral trim attachment array ( 70 ) is defined by a trim ring ( 73 ) having integrated pinch clips ( 76 ). The trim ring has a rectilinear configuration adapted to conform to the outline of the seat back. Trim ring ( 73 ) is, preferably molded into the seat back foam as will be understood by those skilled in the art. Linkages ( 79 ) are utilized to link a plurality of trim rings ( 73 ) together or to link trim ring ( 73 ) to floating support plate ( 15 ). |
