| 摘要 |
The invention relates to a lordosis support which has a plurality of pneumatically operated chambers (11-14) for adjusting the curvature of a seat back, with the lordosis support having two outer chambers (11, 12) and two central chambers (13, 14) in the longitudinal direction of the seat back, with the two central chambers (13, 14) being arranged one above the other between the two outer chambers perpendicular to the longitudinal direction of the seat back, with an air connection to one of the two central chambers being provided for each outer chamber.
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